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How Much Fuel Does a Superyacht Hold? Find Out Here

Ever wondered how much fuel a superyacht can hold? Have you been curious about the factors that determine a superyacht’s fuel capacity? Or maybe you’re interested in learning how to maximize fuel efficiency? Well, you’re in the right place! In this article, we’ll explore all of these topics and more.

We’ll dive into the different types of engines and fuel efficiency, the average fuel capacity of a superyacht, the largest fuel capacity for a superyacht, the benefits of having a larger fuel capacity, how to maximize fuel efficiency, and tips for conserving fuel.

So, let’s get started!

Table of Contents

Short Answer

The amount of fuel a superyacht holds varies greatly depending on the size and type of yacht.

Generally, a superyacht can hold anywhere from 5,000 to 30,000 gallons of fuel.

Larger vessels can hold up to 50,000 gallons or more.

Additionally, some superyachts are equipped with multiple fuel tanks to store more fuel for longer voyages.

Factors that Determine the Fuel Capacity of a Superyacht

When it comes to determining how much fuel a superyacht holds, there are a number of factors that come into play.

The size and type of the yacht are the two most important factors to consider.

Generally speaking, a superyacht typically holds anywhere from 15,000 to 50,000 gallons of fuel, though some larger vessels can hold upwards of 200,000 gallons.

The range and cruising speed of a superyacht, as well as the type of engines used on the yacht, are also key factors in determining the amount of fuel the yacht will need to store.

As a general rule, larger and faster yachts require more fuel to travel longer distances.

Additionally, the fuel efficiency of the yacht will also have an impact on the total fuel capacity.

The more efficient the yacht, the less fuel it will need to travel the same distance.

Finally, the purpose of the yacht will also play a role in determining the fuel capacity.

Yachts that are used for racing or long-distance cruising will need more fuel than ones that are used primarily for short-distance trips or pleasure cruising.

In addition, the fuel storage capacity of the yacht will be determined by the number of tanks installed and the size of the tanks.

Ultimately, the amount of fuel a superyacht holds will vary greatly depending on a variety of factors.

The size and type of the yacht, its range and cruising speed, the type of engines used, and the fuel efficiency of the yacht will all have an impact on the total fuel capacity.

Additionally, the purpose of the yacht and the size of the fuel tanks will also determine how much fuel a superyacht can hold.

Types of Engines and Fuel Efficiency

When considering the total fuel capacity of a superyacht, it is important to consider the type of engines and fuel efficiency of the vessel.

The type of engines used will impact the fuel efficiency and ultimately the amount of fuel the yacht will need to store.

Traditional diesel engines are typically more fuel efficient than gas-powered engines, and may require a smaller fuel capacity.

On the other hand, gas-powered engines may require a larger fuel capacity due to their lower efficiency.

Additionally, some superyachts feature hybrid propulsion systems, which combine diesel and electric power to achieve greater fuel efficiency.

In addition to the type of engine, the fuel efficiency of the vessel is determined by several other factors.

The yachts weight, hull shape, and speed all influence fuel efficiency, with lighter, more efficient hulls and slower cruising speeds allowing for greater fuel efficiency.

Additionally, the use of fuel-saving technologies such as advanced propellers and energy-saving sails can also improve fuel efficiency, allowing for a smaller fuel capacity.

Ultimately, the type of engines and fuel efficiency of a superyacht will have a significant impact on the total fuel capacity of the vessel.

By carefully considering these factors, it is possible to optimize a superyachts fuel efficiency and minimize the total fuel capacity required.

Average Fuel Capacity of a Superyacht

When it comes to the fuel capacity of a superyacht, the amount varies greatly depending on the size and type of the vessel.

Generally speaking, a superyacht typically holds anywhere from 15,000 to 50,000 gallons of fuel.

However, some larger vessels can hold upwards of 200,000 gallons.

The amount of fuel a superyacht holds is largely determined by the vessel’s range and cruising speed, as larger and faster yachts will require more fuel to travel longer distances.

In addition to the range and cruising speed of the vessel, other factors such as the type of engines, as well as the fuel efficiency of the yacht, can also have an impact on the total fuel capacity.

For instance, if the yacht has higher-performance engines, it may require more fuel to sustain the speed and range of the vessel.

On the other hand, if the yacht has more efficient engines, it may be able to cover more distance with less fuel.

In addition to the engine type and fuel efficiency, the type of fuel also plays a role in determining the fuel capacity of a superyacht.

Diesel-powered yachts typically have a higher fuel capacity than gasoline-powered yachts, as diesel engines are more fuel-efficient than their gasoline counterparts.

Additionally, some yachts may use a combination of diesel and gasoline engines, which can also affect the total fuel capacity of the vessel.

Finally, the fuel capacity of a superyacht can also be impacted by the design of the vessel.

Larger vessels may require more fuel tanks to hold the necessary amount of fuel, while smaller vessels may only need one or two tanks.

Additionally, the placement of the fuel tanks on the vessel can also affect the total fuel capacity, as some locations may be more efficient for storing fuel.

In conclusion, the amount of fuel a superyacht holds can vary greatly depending on a variety of factors, such as the size and type of the vessel, the range and cruising speed, the type of engines, the fuel efficiency, and the design of the vessel.

Ultimately, the total fuel capacity of a superyacht is determined by all these factors combined.

The Largest Fuel Capacity for a Superyacht

When it comes to fuel capacity, superyachts can hold anywhere from 15,000 to 200,000 gallons of fuel, depending on the size and type of yacht.

The largest and fastest yachts typically have the highest fuel capacity, as they are designed to travel longer distances and at higher speeds.

Larger vessels can hold up to 200,000 gallons of fuel, allowing them to travel thousands of miles without needing to refuel.

The type of engines and the fuel efficiency of the yacht can also have an impact on the total fuel capacity.

Many superyachts are equipped with high-performance engines, which are designed to be more fuel-efficient and to require less fuel to operate.

Additionally, some yachts are equipped with dual fuel engines, which are able to run on both diesel and gas, allowing them to switch between the two fuels depending on their needs.

Finally, the design of the yacht can also affect its fuel capacity.

Modern yachts are often created with a sleek and aerodynamic design, which helps them to reduce drag and increase fuel efficiency.

This means that the yacht can hold more fuel and travel farther on the same amount of fuel.

Additionally, these yachts often feature advanced fuel-saving technologies such as wind-powered generators and efficient propulsion systems, which help them to further increase their fuel efficiency.

Overall, the amount of fuel a superyacht holds can vary greatly, depending on several factors such as the size and type of yacht, the type of engines, the fuel efficiency of the yacht, and the design of the vessel.

Larger and faster yachts tend to have the highest fuel capacity, with some able to hold up to 200,000 gallons of fuel, while smaller and slower vessels typically have less fuel capacity.

Additionally, modern yachts are often designed to be more fuel-efficient, allowing them to hold more fuel and travel farther on the same amount of fuel.

The Benefits of Having a Larger Fuel Capacity

When it comes to superyachts, having a large fuel capacity can be incredibly beneficial.

For starters, having a larger fuel capacity means that the yacht can travel long distances without having to refuel.

This is especially important if the yacht is traveling in remote areas with limited access to fuel.

Additionally, having a larger fuel capacity allows the yacht to cruise at faster speeds, as more fuel provides greater power and acceleration.

Finally, having a larger fuel capacity can also reduce the yacht’s overall fuel costs, as more fuel means fewer refueling stops.

All of these benefits add up to make having a larger fuel capacity on a superyacht a worthwhile investment.

How to Maximize Fuel Efficiency

Making sure your superyacht is running optimally is the key to maximizing fuel efficiency and getting the most out of your fuel capacity.

First, make sure your engines are properly maintained and tuned, as regular service and repairs can help your boat run more efficiently and reduce fuel consumption.

Additionally, running your engines at the correct speed for the conditions can help you achieve better fuel economy.

If you are travelling at a lower speed, your engines will not need to run at full capacity, meaning you can save fuel.

It is also important to ensure that your yacht is properly loaded, as an overloaded vessel can be less fuel efficient.

If you are carrying more than the recommended load, it will take more fuel to propel the boat.

To maximize fuel efficiency, make sure you are only carrying the necessary items and are not overloading your yacht.

Finally, installing the latest technology and equipment can also help you maximize fuel efficiency.

Outfitting your vessel with the latest navigation systems, fuel-injection systems, and fuel-monitoring systems can help you track and monitor your fuel consumption and make sure you are running your engines optimally.

Additionally, investing in newer, more fuel-efficient engines can also help you get the most out of your fuel capacity.

Tips for Conserving Fuel

When it comes to conserving fuel on a superyacht, there are several important steps that can be taken to ensure maximum efficiency.

First, it is important to ensure that the engines are running optimally, as any issues with the engines can lead to an increase in fuel consumption.

This can be done by regularly inspecting the engines and checking the oil levels to keep them in good condition.

It may also be beneficial to install devices, such as fuel flow meters, that can help monitor fuel usage and ensure that the engines are running optimally.

Second, reducing drag and improving aerodynamics can help to reduce fuel consumption.

This can be done by making sure that all of the yacht’s systems, such as the propellers, rudders, and hulls, are in optimal condition.

Additionally, installing wind-catching devices, such as wind deflectors, can help to reduce drag and improve fuel efficiency.

Third, it is important to ensure that the yacht is properly loaded.

This means that the weight of the yacht should be evenly distributed and that all unnecessary items should be removed.

Additionally, it is important to ensure that the fuel tanks are not overfilled, as this can lead to fuel being wasted due to sloshing.

Finally, it is important to be mindful of the yacht’s route.

Taking a more direct route and avoiding areas with heavy currents, such as narrow straits and rivers, can help to reduce fuel usage.

Additionally, sailing during periods of favorable wind can help to reduce fuel consumption, as the yacht will be able to make use of the wind energy to help power the vessel.

Final Thoughts

It’s clear that the amount of fuel a superyacht holds can vary greatly depending on a variety of factors, from the size and type of yacht to the engine type and fuel efficiency.

The average superyacht holds anywhere from 15,000 to 50,000 gallons of fuel, and some of the largest vessels can hold up to 200,000 gallons.

Having a larger fuel capacity is beneficial for longer trips, but it’s important to consider how to maximize fuel efficiency and conserve fuel to make the most out of the fuel you have.

With the right knowledge and a few tips, you can ensure that your superyacht has the fuel capacity it needs to provide the best possible experience.

James Frami

At the age of 15, he and four other friends from his neighborhood constructed their first boat. He has been sailing for almost 30 years and has a wealth of knowledge that he wants to share with others.

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How Much Fuel Does a Yacht Use? An In-Depth Analysis

When it comes to luxury and adventure on the high seas, yachts are the epitome of both. Whether you’re a yacht owner or dreaming of chartering one for your next vacation, understanding the fuel consumption of these majestic vessels is crucial. Fuel usage not only impacts the cost of your journey but also has environmental implications. In this article, we dive into the factors affecting yacht fuel consumption and provide insights to help you estimate how much fuel a yacht uses.

Understanding Yacht Fuel Consumption

Fuel consumption in yachts is influenced by several factors, including the yacht’s size, engine type, cruising speed, and conditions at sea. Here, we break down these elements to give you a clearer picture.

Yacht Size and Engine Type

Yachts come in various sizes, from smaller 40-foot models to massive 100-foot plus luxury liners. Generally, the larger the yacht, the more fuel it consumes. Engine type also plays a significant role. Traditional diesel engines are common, but newer models may feature more efficient or hybrid engines that can impact fuel usage.

Cruising Speed

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Conditions at Sea

Sea conditions can also affect fuel consumption. Smooth, calm waters allow for more efficient travel, while rough seas can increase fuel use due to the additional power needed to maintain speed and stability.

Estimating Yacht Fuel Consumption

While it’s challenging to provide a one-size-fits-all answer due to the variables involved, we can offer some general guidelines. On average, a yacht might use between 20 to 100 gallons of fuel per hour. Smaller yachts, such as those around 40 feet, tend to be on the lower end of the scale, consuming about 20 to 40 gallons per hour. Larger vessels, which are over 100 feet, can consume significantly more, sometimes exceeding 100 gallons per hour, especially at higher speeds.

Example Calculations

Let’s look at an example. For a 70-foot yacht cruising at a moderate speed of 20 knots, fuel consumption could be around 50 gallons per hour. If you’re planning a 100-mile journey, at 20 knots, it would take you approximately 5 hours. This means the total fuel consumption for the trip could be around 250 gallons.

Tips for Reducing Fuel Consumption

• Cruise at Efficient Speeds: Find and maintain your yacht’s hull speed for optimal fuel efficiency.
• Regular Maintenance: Keep the engine and hull in top condition to reduce drag and ensure the engine runs efficiently.
• Plan Your Route: Opt for the most direct route and consider current sea conditions to minimize unnecessary fuel use.
• Lighten Your Load: Only carry what you need for your journey, as extra weight can increase fuel consumption.

Understanding and managing fuel consumption is crucial for any yacht owner or enthusiast. By considering the factors outlined above and implementing fuel-saving strategies, you can enjoy the luxury of yachting more sustainably and cost-effectively. Whether planning a short excursion or a long voyage, a careful consideration of fuel use will enhance your experience on the water.

Remember, every yacht is unique, and so is its fuel consumption. For specific figures, consult your yacht’s manual or speak with a marine professional who can provide insights tailored to your vessel. Enjoy your time at sea, and sail smartly!

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This Fuel-Sipping Superyacht Can Travel More Than 6,000 Miles Between Fill-Ups

Feadship's new vitruvius-designed 190-foot najiba sets a new standard for superyacht efficiency., howard walker, howard walker's most recent stories.

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Think of it as the Prius of the seas. Najiba , the newly completed, 190-foot all-aluminum superyacht built by Dutch craftsmen at Feadship from a Vitruvius Yachts design, sips fuel like the hybrid Toyota. Well, almost.

During recent sea trials, Najiba reportedly delivered a truly astonishing fuel consumption best of just three gallons per nautical mile at its 12-knot cruising speed. That’s despite this sleek and slender motor yacht tipping the scales at 880 tons and having a couple of muscly 1,448 hp MTU 12-cylinder diesels providing the power.

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The secret, it seems, is down to the highly efficient hull design—that, and a single-minded focus on making the yacht slice through water like a hot knife through butter with minimal resistance.

The creative force behind Vitruvius , ace French designer Philippe Briand —one of his many fortes is drawing super-fast racing sailboats —penned the lines of Najiba’s lightweight alloy hull. He gave the yacht a wave-piercing plumb bow and maximum waterline, and closely worked with Feadship to reduce the effect of appendages like the propeller shafts, stabilizers and thrusters.

The real-world results that came out of the extensive sea trails included an increased top speed—from the original goal of 16 knots to 17—and a cruising-speed range of more than 6,000 nautical miles compared to the projected 5,000 miles. That’s Antibes to Miami with fuel to spare in the yacht’s 23,757-gallon fuel tanks.

The choice of using lightweight aluminum was also a major factor in increasing the yacht’s efficiency. The entire hull and superstructure were built using the alloy, while the yacht’s design called for a sleek, lower-than-usual wheelhouse to reduce wind resistance at speed.

“These results mean that despite the complexity of her development and build, we have outperformed all expectations with Najiba ,” explained Roderick de Vries, technical director of the Feadship yard in Aalsmeer, southwest of Amsterdam.

The entire hull and superstructure were built using lightweight aluminum.  Photo: Courtesy of Feadship

“It was a real ‘wow’ moment for everyone involved to see this level of efficiency achieved during sea trials. It is one thing to design such an efficient full-displacement motor yacht, but another to translate these lines and shapes into a stunning Feadship that is even faster and more fuel-efficient than we projected.”

Najiba is the fifth Vitruvius-designed yacht.  Photo: Courtesy of Feadship

Right now Najiba , which means “noble,” is with its new owner on a maiden voyage to Bergen in Norway. Chances are he won’t be looking to fill up any time soon.

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Ever wondered how much it costs to fuel a $600 million superyacht? Hint – For that money, you can actually get an apartment in Manhattan and a Tesla Model S.

The things we associate with superyachts – size, grandeur, and billionaires; but never bills! If buying a megayacht is a big feat, then maintaining the behemoth deserves a trophy too. Many world-renowned superyachts cost hundreds of millions (Dilbar is worth $600 million), but have you ever wondered how much it costs to get these floating beasts of the seas from one point to another? Dilbar yacht is considered one of the largest yachts in the world in volume. It was record-breaking owing to its incredible technology and the sheer size and was launched by German shipyard Lürssen in 2016. The fourth-longest yacht in the world that can house a crew of a hundred people also flaunts a total fuel capacity of 1,000,049 liters. By comparison, the Airbus A380 which is the worlds largest commercial aircraft needs 372,800 liters of fuel to tank up.

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10 facts about Lürssen's 180m superyacht Azzam

Related articles, superyacht directory.

Mario Pedol, founder of Nauta Design, gives Elaine Bunting the inside view on what it was like working on one of the world’s biggest private boats.

For six years from her launch in April 2013, the superyacht Azzam stood as the world’s largest private yacht. At 180m overall, Azzam was eclipsed only in 2019 when the research and expedition vessel REV Ocean was unveiled – and then by only three metres.

To Azzam’ s owner – and exterior designer Nauta Design – size was never the ultimate goal. Instead, the objective was to create a sleek vessel with elegant, timeless lines. Originally, the superyacht was designed to be 145 metres, but in the process of optimisation it grew, and to this day, Mario Pedol, founder of Nauta Design, takes it as a great compliment when admirers say the yacht looks smaller than her size.

Nauta, famed as the studio behind some of the most graceful sailing yachts afloat, was asked to create an exterior design for Azzam . “There was already a GA [general arrangement plan of the interior layout] but they were missing the exterior design, and that was quite something,” says Pedol.

Previously, Nauta’s largest project had been 80 metre Project Light , a modern yet graceful motor yacht that drew on sailing yacht aesthetics and blended the boundaries between outdoor and indoor living. Azzam was to be different in style and intent, but Nauta was brought in to shape how the vessel would look.

“It was a challenging brief,” says Pedol. “The ship – and actually it is a ship – was due to reach 30+ knots. So one of the fundamental characteristics was the speed, quite unusual for this size, and I wanted to give a sense of that speed even in the design. Fortunately enough, the requirement of interior volume was not excessive for the length, so it did allow us to design a balanced and elegant yacht with good proportions. I’ve had many comments that, from some distance, you can’t tell she is a 180 metre yacht.”

The yacht accommodates a large, open plan main saloon, accommodation for 36 guests and up to 80 crew, complex ‘dual mode’ engine systems and the fuel required, despite having a comparatively shallow draught of just 4.3 metres.

The challenging design and engineering accounted for around a third of the four-year construction schedule, while arriving at the long, lean shape was in itself a challenge, needing detailed Finite Element Analysis to give the required longitudinal strength.

The interior style remains a closely guarded secret, but heritage was of prime importance. French designer Christophe Leoni , who had previously worked on some of the owner’s residences and palaces, brought similar styles on board, including a wealth of wood furniture intricately veneered with mother of pearl marquetry.

One of Pedol’s most vivid memories is of Azzam ’s first sea trial, when the builders, designers and engineers could finally appreciate the results of their work and calculations. “We boarded at midnight because the Lürssen yard is 60 miles upriver from the sea, and we spent the night at three knots,” he says. “At 07:00 in the morning the project manager called me and said: ‘Come and see.’ It turned out we were already travelling at 32 knots, but it didn’t feel like it. The four waterjets created a very high wake, and [to see the yacht in action], it was a very emotional moment. It was just spectacular…”

10 facts about the superyacht Azzam

1. Azzam was never conceived as the world’s largest superyacht

The design was to be high speed and accommodate a certain interior plan and number of guests, but it was originally envisaged as 145 metres overall. As the need to optimise the structure, and create space for complex engine systems, fuel and tenders developed, together with an elegant exterior sporting a long, sweeping bow and swept back stern, the design grew by another 35 metres to become a recordbreaker.

2. It took more than 4,000 people to build

Rightly thought of as a gigayacht, Azzam took four years to build at German shipyard Lürssen and is said to have cost more than US$500m. Some 4,000 people were involved in the build over four years, clocking up six million man-hours before her launch in April 2013. The builders calculated that had the yacht been built by one person, work would have had to start in 1737BC.

3. Azzam is one of the world’s fastest superyachts

The brief for Azzam was for a vessel that could travel as fast as possible to the owner’s private island off the coast of Abu Dhabi, and she can cover the journey in a matter of hours at her top speed of 33 knots.

4. Azzam is as fast as a Navy frigate and uses similar technology

Top speed is produced by two gas turbine engines and 2 x MTU diesel engines driving two Wartsila axial flow Modular waterjets and two boosters. Altogether they produce 97,000hp and consume 13 tonnes of fuel per hour at top speed.

5. There is a long range mode as well as a ‘sprint mode’

Azzam also has two conventional diesel engines for longer distance voyaging and extended range. Two 9,000kW MTU engines produce a speed of 18 knots over long distances – she could comfortably cross the Atlantic without refuelling.

6. You can practice golf on board

Guests can stay fit by using the onboard gym, pool or practising their swing in a special ‘golf training room’.

7. Over 100 people can live aboard

Azzam accommodates up to 36 guests in supreme comfort, and to look after them there is a crew of between 70 and 80 people.

8. There is a huge open plan main saloon

The large open plan main saloon measures 29 metres long by 18 metres, with no pillars to obstruct the views inside, and it is flanked by full height windows for an expansive view outside. “It was quite a challenge to make this space with no pillars,” observes Mario Pedol, adding that the beams on the ceiling had to be 1 metre in width. Making sure the huge windows were fully stormproof meant the glass had to be specially engineered in Italy and it is over 7cm thick.

9. The interior boasts a wealth of mother of pearl

The furniture on board features intricate marquetry in mother of pearl – such a wealth that it equates to a year’s worth of worldwide production

10. The chandelier doesn’t rattle

A huge amount of work was put into ensuring that the noise and vibration levels of Azzam were very low, even at full speed. Designers and engineers had to ensure the chandelier in the main salon didn’t tinkle underway. “It was difficult to know in advance how this would behave, but it was tested in every possible way with sophisticated software and set up challenging targets and it was not a problem,” says Mario Pedol.

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Yacht fuel cost calculator - how to estimate the costs.

Yacht captains have many responsibilities when it comes to the management of their vessel. One of them is keeping track of expenses, which is why it is important to familiarize yourself with the vessel’s operational costs. Keeping a luxury superyacht afloat isn’t cheap, and many claim that the average annual cost ranks up to 10% of the vessel’s price.

From these expenses, a significant portion goes to fuel. Filling up the tank of your boat is quite pricey, which is why a growing number of boat owners want to know exactly how much they are looking to spend for their upcoming voyage. This is also important for people who want to charter a boat for their holiday.

If you’re wondering how to best estimate the costs involved, you’re in the right place. This article will help you calculate your vessel’s yacht fuel cost while giving an overview of all the criteria used as variables. To make the process even easier, we link to a yacht fuel cost calculator to help you get an indication of the expenses you’ll need to cover. Let’s delve in!

Yacht fuel cost calculator

How to estimate yacht fuel costs, how much fuel does a yacht use.

• Price of boat fuel per gallon?

Yacht fuel formula

The easiest way to calculate your fuel costs is by using a yacht fuel cost calculator. There is a great calculator available here in case you want to save time and get an approximate estimation.

As you can see, the yacht fuel cost calculator has many variables which you need to be aware of before you set out to calculate the approximate price. This is what we will be dealing with in the next few chapters.

To help you get a better understanding of the calculation process we will do things manually while giving you the exact formulas used to calculate your vessel’s fuel needs. Therefore, make sure you keep on reading.

There are several things you need to keep in mind when you first set out to estimate the total fuel cost for your next voyage. These are summarised in the following points:

• Distance of journey - The total amount of nautical miles (or km)
• Cruising speed - The (average) speed of your vessel (in knots or km/hr)
• Fuel consumption - Understanding how many gallons (or liters) of fuel are consumed per hour
• Yacht fuel price - Understanding the average market price per gallon of fuel

The first two points depend solely on your needs and personal preference, which means that they are more flexible on a subjective basis. The latter two points may require a bit of research, especially if you’re not familiar with the engine of the vessel.

In the following sections, we will delve deeper into each of the points mentioned above, and offer the required formulas to help you calculate yacht fuel cost.

Calculating distance and speed

To understand the exact distance you are looking to cover in your next voyage, you can simply use Google Maps to plan your route. The following video explains the process in detail.

As soon as your route is planned out, you can measure the distance as well, selecting the preferred method of calculation. In our case, it is best to measure in nautical miles (1nm=1,85km), as this metric is more commonly used among sea men. The yacht fuel cost calculator above has an embedded map that helps you pinpoint the journey you want to make.

Next comes the cruising speed. The number is mostly calculated in knots (nautical miles/hr). The speed with which the vessel will cruise depends on the captain onboard, but is often influenced by the owner and guests onboard. You can make a rough estimation of this number based on previous trips.

Next, we need to calculate the amount of fuel that you will likely need. To do this we need to understand the engine type, its horsepower, and several other factors.

Let’s take a marine diesel engine for example. These engines are very common on motor yachts and consume approximately 0.4 pounds of fuel per hour for each unit of horsepower. You can find fuel consumption info for your specific engine by looking it up on the web or by calling the service number.

Once you know the fuel burn rate, it’s best to add a relative error margin of 10% based on minor factors. These include weather conditions, vessel size, and drag, all of which can increase the fuel burn.

How much fuel does a yacht use per hour?

Now that you know all the variables you can go ahead and calculate the amount of fuel that your yacht will need.

• Start by calculating the fuel burn per hour based on the horsepower of the engine.
• Add a multiplier based on the cruising speed of your vessel.

A vessel with a diesel engine of 300 horsepower will most likely burn 16-17 gallons per hour, which you can then use as a guideline when calculating the travel time based on the nautical miles you are looking to cover.

Superyachts are consuming much more fuel. An average 70-meter luxury yacht will burn around 130 gallons per hour with the engines running, while the amount increases significantly when the ship is moving. On average, you are looking at ±€2000 per hour (±1000 gallons) to achieve a speed of 20 knots. Of course, the higher the cruising speed, the more fuel you will be burning per hour, which in turn makes each hour at sea more expensive.

How much does boat fuel cost per gallon?

The exact price you are looking to pay per gallon depends on the marina you find yourself in. By looking at several price points of marinas, we get the following:

• Average diesel prices range from $3.2-$3.9 per gallon
• Average petrol prices range from $7.2-$7.8 per gallon

Note that discounts usually apply whenever you choose to purchase large quantities of fuel.

Why is boat fuel so expensive?

Marine fuel pricing is heavily inflated due to low supply and high demand. In short, the limited number of fuel stations at marinas have to service all the yachts that dock, which leads to a no-choice monopoly.

That said, yacht owners are usually not that concerned about the small price spike that marinas charge as an extra. If anything, they are happy to pay due to the convenience of the service.

How much fuel does a yacht hold?

Once again, the answer to this question depends on the size of the vessel. Smaller yachts can hold around 1300 gallons of fuel, while the bigger vessels can store up to 100,000 gallons. The ship’s engineers should be able to provide this number for the vessel you command.

Now that we have a better understanding of all the variables that determine the cost of fuel, we can go ahead and take you through the calculation process step by step.

First, know the total duration of your cruise. To obtain this information, divide the number of nautical miles by the cruising speed of your vessel (knots). For example, if you want to make a journey that totals 150 nautical miles while traveling at 20 knots, the yacht fuel formula looks as follows:

Total duration = 150 nm / 20kn

Total duration = 7,5 hrs

Note that the amount of fuel consumption may end up higher than expected if:

• Sea and weather conditions are not favourable
• You plan to make short stops along the way while the engine keeps running

Next, what you want to do multiply the number of hours by the number of gallons that your engine burns on an hourly basis while moving at the speed you previously indicated. If we take, as an example, the superyacht mentioned in the previous examples, we would make the calculation as follows:

7,5 hrs x 1000 gph = 7500 gallons

Now assume that you will also make two stops along the way, an hour and a half each, in order to let the guests enjoy their time; maybe ride a jet ski.

You then multiply the added number of hours with the consumption rate of a running engine. In this case:

3 hrs x 130 gph = 390 gallons

All that is left to do now is add up the total amount of fuel needed and multiply the number with the price per gallon.

(7500+390) x $3,5 = $27615

In this example, the final cost of your will set you back a little bit more than 27 thousand dollars. Just to be safe, calculate the additional 10% (margin of error) to be prepared against unexpected mistakes. This added amount is not necessarily an ad-on when you consider chartering. Private yacht owners, however, should add the amount to their final cost.

And that's it! You should now have a better idea on the steps you need to follow to calculate the fuel costs for your yacht. While there is quite a bit of information you should keep in mind, it is best to plan out everything with detail to avoid unforeseen costs. If you enjoyed this article, check out our blog post on yacht electrical systems as well.

CALL US TODAY Fort Lauderdale: 954-467-9010 Punta Gorda: 941-505-2400

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Our Guide to Yacht Fuel Capacity and Consumption

by Marine Diesel Specialists | Jul 25, 2023 | Blog , MAN Engines , Yacht Engines , Yacht Upkeep | 0 comments

Fuel consumption for yachts can vary based on factors such as the yacht’s size, weight, design, engine type, cruising speed, and the duration of the journey. Smaller pleasure yachts generally tend to be more fuel-efficient than larger luxury yachts, which may consume more fuel at cruising speed. Efficient navigation planning and optimizing cruising speed can play a crucial role in managing fuel consumption effectively. Regular maintenance and adherence to best practices can also contribute to improved fuel efficiency, ensuring that yacht owners can enjoy their voyages with minimized environmental impact and reduced operational costs. If you wish to understand more about yacht fuel capacity and use, then this article from Marine Diesel Specialists , experts in all things professional marine services , is a great place to start your journey toward understanding.

How Much Fuel Does a Yacht Hold?

Fueling a yacht is a critical aspect of ensuring smooth sailing and an enjoyable journey. The amount of fuel a typical yacht can hold in its tank varies greatly depending on the vessel’s size and purpose. Generally, yachts are designed with fuel tank capacities tailored to their intended use, whether it be coastal cruising or transoceanic voyages.

For smaller pleasure yachts, you can expect to find fuel tank capacities ranging from 200 to 1,000 gallons. These yachts are typically designed for shorter trips, day cruising, or weekend getaways, and their fuel capacities reflect those requirements. On the other hand, larger and more luxurious yachts, like superyachts and mega yachts, boast significantly larger fuel tank capacities. Average yacht fuel capacity can vary anywhere from 10,000 to 50,000 gallons of fuel, allowing them to undertake extended journeys across vast distances with ease. It’s essential for yacht owners and operators to understand their yacht’s fuel tank size and plan their trips accordingly to ensure they have enough fuel to reach their destinations safely.

Remember, knowledge about fuel for yachts and yacht fuel tank sizes is vital to maximizing your sailing experience and minimizing the risk of running out of fuel during your adventures on the open waters. For more in-depth information on this topic, we recommend checking out reputable websites of yacht manufacturers that provide comprehensive data on yacht specifications and fuel capacities. There are many factors that can make the capacity of any specific yacht’s fuel canister better or worse for the owner; one such factor is the amount of resources that are used over the course of a trip out on the water.

How Much Fuel Does a Yacht Use?

Average yacht fuel consumption can vary significantly depending on several factors, including the yacht’s size, weight, and duration of your journey out on the water. It’s crucial to consider the yacht fuel capacity of the vessel and its efficiency to better understand its consumption patterns. Fuel capacity is the total amount of fuel a yacht can hold in its tanks, as we mentioned in our previous discussion on yacht fuel tank sizes. Fuel-efficient yachts are designed to minimize fuel consumption while maximizing performance, providing a more eco-friendly and cost-effective sailing experience.

On average, smaller pleasure yachts with fuel capacities ranging from 200 to 1,000 gallons tend to be more fuel-efficient. They often feature modern technologies and hull designs optimized for reduced resistance and better fuel economy. As a rough estimate, these yachts can consume around 20 to 50 gallons of fuel per hour at cruising speed. Larger luxury yachts, such as superyachts and mega yachts with fuel capacities of 10,000 to 50,000 gallons, may have higher fuel consumption rates, averaging around 100 to 500 gallons per hour at cruising speed.

If you are looking to get the most out of your yacht, then you cannot go wrong with marine diesel services and products for marine vessels that are designed to make every trip out on the water smoother and better than the one before. Luckily our expert marine rebuild specialists are able to provide all of the assistance you could ever need.

The Marine Diesel Experts in Fort Lauderdale Are Here to Help

Welcome to Marine Diesel Specialists, your ultimate destination for comprehensive boat engine care and top-quality products. As an authorized distributor, we take immense pride in offering exceptional MAN diesel marine engines renowned for their unrivaled reliability and outstanding performance. Our esteemed Gulf Coast Diesel Service branch operates with marine rebuild specialists in Fort Lauderdale and Punta Gorda, all dedicated to delivering unparalleled customer satisfaction.

Whether you seek expert guidance on engine selection, reliable repairs, or meticulous maintenance, our seasoned professionals are eager to provide you with comprehensive insights and personalized assistance. We’re committed to ensuring your boating experience is smooth and worry-free. To deepen your knowledge of marine engines, we encourage you to explore our vast collection of informative articles on our marine engine care blog which covers topics ranging from yacht fuel capacity and much more.  Feel free to contact our marine industry professionals today to discover the full spectrum of our offerings and experience our unwavering commitment to excellence.

Related Readings

• Finding the Best Marine Diesel Engine for You
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Our Marine Diesel Specialists offer a variety of products and services to provide marine diesel solutions in Fort Lauderdale and Punta Gorda. Our authorized MAN Engine dealers can offer expert maintenance, repair, and survey services, as well as complete engine, transmission, and generator overhauls. If you are seeking top-quality marine diesel solutions, products, or services, don’t wait to contact our Marine Diesel Specialists and Gulf Coast Diesel Service.

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What is the average cost of fuel required to fill up a mega yacht?

The average cost of fuel required to fill up a mega yacht can vary depending on factors such as the size of the yacht, fuel consumption rate, and current fuel prices. However, based on what we found on the Internet, here is some information that can give you an idea of the costs involved:

• Alisher Usmanov's yacht, Dilbar, is considered the largest motor yacht in the world. It has an estimated fuel capacity of 1,000,049 liters (220,000 gallons) [1] .
• TheYachtMogul claims that Dilbar recently received a 500,000-liter refill, which, at an average price of $3 per liter, would bring the total cost up to $1,500,000 [1] .
• The average price for a gallon (3.9 liters) of fuel for yachts in the U.S. is around $3.2-$3.7, but it can vary depending on the location [1] .

Learn more:

• What It Costs to Fuel Alisher Usmanov's Yacht, Dilbar? Enough to Buy a Smaller Yacht - autoevolution
• Yacht Fuel Cost Calculator - How to Estimate the Costs
• Ever wondered how much it costs to fuel a $600 million superyacht? Hint - For that money, you can actually get an apartment in Manhattan and a Tesla Model S. - Luxurylaunches

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• Total Expenses =
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Us flagged vessel, health insurance costs per crew, uniform cost per crew, training cost per crew, food cost per crew, crew turnover, hires using a professional crew agency.

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Costs of food provisions will vary dependent upon how eloborate food Preferenaces are

Location will play huge factor in food provisons and thing may have to be folws into remorte locations.

Crew is one of the largest expenses on a superyacht and critical to the owner’s enjoyment of their vessel. As the largest crew agency in the world, we know crew. Our cost calculator contains customized crew lists for yachts ranging from 80ft to 600ft with salary information based on our reference verified salary data.

Our users also have the ability to completely tailor the crew list to the specific needs, schedule and requirements of their vessel. Each yacht is unique and may have specific owner requests in addition to the yacht’s safe manning requirements.

Management of the supplemental crew costs and strategic budgeting can help avoid significant overspend on categories such as food and uniform. This tool contains default values based on our industry expertise and recommended budget for an efficiently and safely run superyacht.

To learn more about each crew position in detail, including salary ranges, please visit our yacht department directory .

Drag the sliders to modify your results. These are not linear scales and we expect most yachts to operate within the 20-80% window. Above 80% and below 20% costs increase or decrease at exaggerated levels and we only see numbers in these levels in very rare circumstances.

This sunburst diagram is interactive. You can click into each block to see the expense break down and mouse over each block for more details.

Our chart of accounts displays seven major categories, 20 sub-categories plus a further 80 detail categories for a total of 107.

Our yacht operating cost calculator is now on it’s third major revision. We start with actual yacht expense data from our yacht management accountants and then generate formulas to extrapolate out the budget for a wide range of yachts. We have been providing accounting services to large yachts for the past 18 years.

Our operating cost calculator is tuned for yachts from 80 to 600 feet. We find operating variables create the largest variances for yachts smaller than 100 feet and larger than 250 feet. We have tested the numbers the most in the range from 100 to 250 feet.

Our budget calculator factors in the fuel burn for a range of engine sizes typically seen installed on yachts by length. By dragging the green “fuel dockage” slider to the right you will increase the projected fuel burn rate and therefore the budget cost for fuel. Our default position would be for a typical displacement fuel burn. Position the slider in the 60-80% range for fuel projections for planning hulls.

Our default values produce a budget number that we believe is generous to run a yacht to a high standard. Perfect is a very expensive word to use in the yachting industry where standards are already high. Moving the crew and maintenance sliders to 80% will provide an “industry best” quality of crew and give them the maintenance budget to operate to a very high standard. If you need to go over the 80% area then you may have unusually labor intensive equipment on the yacht.

Yes, our yacht operating cost calculator can output a budget suitable for this situation. Adjust the owner use to 2 (minimum value), owner slider to 0, crew slider to 10%, Administration to 10%, Fuel and Dockage to 0, Maintenance to 10% and then Capital Repairs to 0. This will remove all of the large charges associated with owner use and vessel movement but leave the essential base maintenance and insurance in place.

Lift on and float in yacht transport is a popular way to transport yachts across large ocean passage. The yachts that this service certainly applies to are ones that may not have the motoring range or structural integrity for blue ocean cruising. The cost of transporting a yacht twice per year is put into our budget once the “Fuel Dockage” slider hits 75%. If your yacht has the range we recommend self-sufficient ocean passages whenever possible. Whilst the transport companies sell their services based upon reportedly well oiled operated schedules the reality is that your yacht may stay waiting for pickup for a week or more with no compensation due. When factoring in all secondary factors of self-sufficient passages (increased fuel, maintenance, potential storm damage, crew time off, extra delivery crew) compared with transporting your yacht (insurance, potential loading / unloading damage, loss of schedule control, no work whilst underway, crew flights, crew accommodation) we believe that there is a 100% premium associated with float in transport and a 75% premium with lift on transport compared with self-powered.

Abandoned yachts crash in value. We recommend that even if you are trying to sell your yacht that you use the yacht for a minimum of two weeks per year so that systems are tested and working every six months. There is nothing worse for a yacht than not being used. If you truly are not going to use the yacht then you should sell it immediately for the first genuine offer as every dollar you put into maintenance will not be recovered at the time of the sale.

We did not build this version with sailing yachts in mind. Early in our development of this version we decided to exclude sailing yachts as a few of the major cost drivers scale very differently for sailing yachts compared with motor yachts. For example: To calculate paint costs we reviewed the surface area of over 100 large yachts and created a formula for painted surface area to length. Sailing yachts just don’t scale in a consistent way. Similarly crew numbers don’t scale in the same manner that they do for motor yachts. If there is sufficient demand we may build a sailing selector switch into a future version of this tool.

We hate to hear when yacht owners were told by their broker to factor in 10% of the purchase price to operate the yacht. This over used saying is sadly right occasionally (particularly for newer yachts in the $20-30M range)… but just because a broken watch tells the right time twice a day you shouldn’t rely upon it to tell the time. As yachts get older their capital value decreases but their maintenance costs increase. There is no way that a fixed 10% of purchase cost rule can be true… if your broker told you this rule then you need a new yacht broker… we know some good ones. 😊

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St David (ex: Xanadu)

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ST DAVID YACHT CHARTER

60m  /  196'10   benetti   2008 / 2019.

• Previous Yacht

Cabin Configuration

• 5 Double/Twin

Special Features:

• Split-level Master Suite Offers Panoramic Views
• Baroque Style with Mosaic Floors
• Outdoor Cinema & Private Nightclub
• Spa & Massage Facilities
• Flexible Accommodation

Luxury yacht St David is the perfect charter platform for yachting vacations spent entertaining in style

The 60m/196'10" motor yacht 'St David' (ex. Xanadu) by the Italian shipyard Benetti offers flexible accommodation for up to 12 guests in 6 cabins and features interior styling by British designer Winch Design.

From bow to stern, St David is brimming with an fantastic array of social and dining areas, both inside and out, making her the ideal yacht for relaxing and entertaining whilst on charter. She is equipped with a dancefloor, spa and gym.

Guest Accommodation

Built in 2008, St David offers guest accommodation for up to 12 guests in 6 suites comprising a master suite and five cabins that can operate as twins or doubles. The bed configuration includes 1 king, 1 queen and 4 doubles. She is also capable of carrying up to 14 crew onboard to ensure a relaxed luxury yacht charter experience.

Onboard Comfort & Entertainment

Keeping comfortable and entertained on St David is easy thanks to the available amenities including a dancefloor where you and your guests can celebrate in style. For the ultimate relaxation experience, she plays host to a luxury spa or elsewhere, a gym with all the latest equipment is available for a good work out. Soak up the bubbles in style in the deck jacuzzi.

St David benefits from some excellent features to improve your charter including Wi-Fi connectivity, allowing you to stay connected at all times, should you wish. You can stay comfortable on board whatever the weather, with air conditioning during your charter.

Performance & Range

Built with a steel hull and aluminium superstructure, she offers greater on-board space and is more stable when at anchor thanks to her full-displacement hull. Powered by twin Caterpillar engines, she comfortably cruises at 13 knots, reaches a maximum speed of 17 knots with a range of up to 5,500 nautical miles from her 116,000 litre fuel tanks at 12 knots. An advanced stabilisation system on board reduces the side-to-side roll of the yacht and promises guests exceptional comfort levels at anchor or when underway.

Onboard St David has a large selection of toys and accessories to keep you and your guests entertained on the water throughout your stay. Guests can feel the wind in their hair and jump the waves on a Yamaha GP 1300 WaveRunner. Another excellent feature are waterskis that are hugely entertaining whether you are a beginner or a seasoned pro. Also there are two Cayago F7 SEABOBs, that allow you to skim along the surface or steer under the crystal water and see a variety of aquatic sea life. If that isn't enough St David also features wakeboards, kayaks, fishing equipment, scuba diving equipment and inflatable water toys. When it comes to Tenders, St David has you covered - with two tenders, including a 7.5m/24'7" Tresco Limo Tender.

St David and her crew are available for charter this summer for cruising within the Mediterranean. She is already accepting bookings this winter for cruising in Bermuda and the Caribbean.

Luxury motor yacht St David is one of a kind, offering world-class onboard amenities coupled with an overflowing toy box full of the latest water sports gear for unforgettable yacht charters wherever you are.

TESTIMONIALS

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Amenities & Entertainment

For your relaxation and entertainment St David has the following facilities, for more details please speak to your yacht charter broker.

St David is reported to be available to Charter with the following recreation facilities:

• 1 x 7.5m  /  24'7 Tresco Custom Limo Tender Volvo and Rolls Royce 300 HP engine
• 1 x 4.7m  /  15'5 Ribline Custom RIB

For a full list of all available amenities & entertainment facilities, or price to hire additional equipment please contact your broker.

St David Awards & Nominations

• The World Superyacht Awards 2009 Best Displacement Motor Yacht of 500GT to 1,299GT (approximately 50m – 59m) Finalist
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For a full list of all available amenities & entertainment facilities, or price to hire additional equipment please contact your broker.

APPROVED RYA WATER SPORTS CENTRE

Your family and friends could learn to use the water toys on your charter vacation onboard this luxury charter yacht. Motor Yacht St David is a certified RYA Training Centre yacht.

'St David' Charter Rates & Destinations

Summer Season

May - September

€325,000 p/week + expenses Approx $361,000

High Season

€345,000 p/week + expenses Approx $383,500

Cruising Regions

Mediterranean Croatia, France, Greece, Italy, Monaco, Montenegro

HOT SPOTS:   Amalfi Coast, Corsica, French Riviera, Mykonos, Sardinia

Winter Season

October - April

$325,000 p/week + expenses

$345,000 p/week + expenses

Bermuda Caribbean Antigua, Bahamas, Cuba, Saint Martin, St Barts Central America Costa Rica

HOT SPOTS:   Virgin Islands

Charter St David

To charter this luxury yacht contact your charter broker , or we can help you.

To charter this luxury yacht contact your charter broker or

On Board Review

After spending time on board the 60m/197ft superyacht ‘St David’ at the Antigua Charter Yacht Show, YachtCharterFleet finds out if she fulfils her ambitious brief to be the perfect charter yacht.

Whatever the occasion, St DAVID offers the ultimate in luxury escapism

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Yachts And Fuel – How Much Do They Really Consume?

Fuel is one of many annual running costs of a yacht. Not only does the yacht need fuel for cruising; the generators require it to keep the vessel running while at anchor and underway. As well as this, many of the water sports toys require it too.

Some yachts cross the Atlantic Ocean twice a year between the Mediterranean and Caribbean while others embark on world cruises. That equates to a lot of fuel.

So How Much Do They Really Consume?

According to the Yachting Pages, the longest Superyacht in the world, 180m M/Y Azzam, holds 1,000,000 litres of fuel. To put it into perspective, that is the equivalent of filling a regular hatchback car 23,800 times. Or, six Boeing 747 commercial airliners.

West Nautical’s Vessel Manager, Tony Hildrew, a former Yacht Chief Engineer said:

“Fuel is the single biggest expense when it comes to yacht operations, it is estimated that the global spend on fuel is around $150bn annually however this shouldn’t put you off, there are a number of ways to ensure your fuel consumption doesn’t get out of hand. Implementing a Ships Energy Efficiency Management Plan or SEEMP for short is a great way to keep fuel costs down without compromising on your cruising experience.”

Each yacht will consume fuel differently for a number of reasons. It could be the size and make of the engines. Or, how often the yacht is using generators. As well as the number of tenders and water sports toys on board that require fuel. For example, if the yacht is out at anchor and running on generators 90% of the time, the fuel consumption will be much higher than a yacht that is in a marina at night and connected to shore power and water.

Another factor that will affect fuel consumption is the yacht’s itinerary. This is because the sea conditions will impact how much fuel the engines consume.

How Is Consumption Measured?

You will be able to input the start and ending points of your cruise on the map. This will automatically update the distance table. The next step is to enter the speed, fuel consumption and cost of fuel per litre to determine the cost of the trip.

Here is an example: A fast 30m yacht cruising at 20 knots will consume roughly 400 – 500 litres depending on the engine type. This would equate to the total consumption of 2500 litres for a distance of 100 nautical miles.

Another example is, a 70m yacht looking to travel 100 nautical miles with the engines burning 1000 litres per hour would add up to a total consumption of 8335L for that passage. Depending on where the yacht bunkered, the estimated cost with the price per litre being on the low end at €0.90 per litre would cost a total of €7501.50. An example of a 100 nautical mile passage would take you from Saint Tropez to The North Coast of Corsica.

How Much Does It Cost?

Fuel prices fluctuate depending on which country you bunker in and some places you bunker offer tax free fuel such a Gibraltar and Montenegro. Fuel prices can vary but typically costs between €0.80 and €1.30 per litre.

Yacht charter, sales and management company West Nautical added:

“Fuel costs should be at the top of any yacht owner and captain’s minds for two reasons: to minimise costs as well as reduce the environmental impact of burning unnecessary fuel. The superyacht charter market, more than most other markets, relies on pristine waters for their guests to enjoy their holiday. If the oceans in popular charter destinations are not maintained, it will decrease the demand for yacht charter and therefore the revenue for owners.” “If you are looking for expertise in operational management and engineering in order to plan a SEEMP, West Nautical would be delighted to assist.”

About West Nautical

West Nautical sell, charter and manage superyachts from their head office in Newcastle upon Tyne. The business currently employs a team of 21 staff throughout their offices based in the UK, Russia, France and Cyprus.

  Since their inception over 25 years ago, West Nautical have become recognised as one of the most respected, trusted, knowledgeable and accountable professional services firms in yachting – largely due to their relentless determination to act in our clients’ best interests. Their approach and attitude is transparent, refreshing and focused on providing value-added services delivered simply, elegantly and affordably. 

Visit West Nautical’s website here: https://westnautical.com

For Media enquiries please contact  sarah.mackenzie@westnautical.com

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A GUIDE TO YACHT FUEL: WHAT YOU SHOULD KNOW

Yacht fuel, a vital element for powering watercraft and setting sail into the open waters, plays a crucial role in the maritime industry. Whether you're a seasoned yachtie or a sailing enthusiast, understanding the intricacies of yacht fuel is essential. This article serves as a guide, shedding light on the types of yacht fuel, fuel efficiency, environmental concerns, and more.

What types of yacht fuel are there?

Yachts predominantly rely on two types of fuel - gasoline and diesel.

Gasoline: Typically used in smaller recreational boats and yachts, gasoline is a highly volatile fuel that requires careful handling and storage. It is commonly employed in outboard engines due to its lighter weight and ease of ignition.

Diesel: Larger yachts and commercial vessels usually favor diesel fuel. It offers superior fuel efficiency and is considered safer to handle than gasoline. Diesel-powered yachts are known for their long-range capabilities and lower fuel consumption.

Fuel Tanks and Storage

Yachts are equipped with onboard fuel tanks responsible for storing fuel during voyages. The size of these tanks varies widely depending on the yacht's dimensions, intended use, and range requirements. Proper storage and maintenance of fuel tanks are essential to ensure the safety and efficiency of the vessel.

Fuel Consumption and Efficiency

The fuel consumption of a yacht is influenced by several factors, including:

·      Yacht Size and Weight: Larger and heavier yachts typically consume more fuel than their smaller counterparts.

·      Engine Type: The type and efficiency of the engines play a significant role in determining fuel consumption.

·      Cruising Speed: Operating the yacht at higher speeds can significantly increase fuel consumption.

With environmental concerns becoming more prominent, the yachting industry has seen a surge in efforts to improve fuel efficiency. Manufacturers and designers focus on innovative technologies to reduce emissions and enhance fuel economy, making yachting more sustainable.

Fueling Stations and Prices

Marinas and ports worldwide offer fueling stations where yacht owners can replenish their fuel supply. These fueling facilities cater to both gasoline and diesel-fueled yachts. The prices of yacht fuel can vary based on the location, global oil prices, and local taxes. Many yacht owners plan their journeys strategically, taking into account the availability and cost of fuel at different ports.

Environmental Considerations

The impact of marine vessels, including yachts, on the environment has garnered increased attention in recent years. Emissions from combustion engines, fuel spills, and potential marine life disturbances are among the concerns. As a result, there is growing interest in exploring eco-friendly alternatives to traditional yacht fuel.

In response to these concerns, the yachting industry invests in developing sustainable technologies, such as hybrid propulsion systems, electric motors, and biofuels. The aim is to reduce the carbon footprint and minimize environmental harm while maintaining the luxury of yachting.

What does fuel consumption depend on?

Fuel consumption in various vehicles, including yachts, depends on several factors. The primary factors that influence fuel consumption are as follows:

·      Vessel Type and Size: The type and size of the vessel play a significant role in fuel consumption. Larger and heavier vessels typically require more fuel to move and maintain their momentum.

·      Engine Efficiency: The efficiency of the engine directly impacts fuel consumption. Modern engines equipped with advanced technologies tend to be more fuel-efficient than older, less sophisticated ones.

·      Driving Speed: Fuel consumption increases at higher speeds. Driving at higher velocities requires more energy to overcome air resistance, resulting in higher fuel consumption.

·      Load and Cargo: Carrying heavy loads or excessive cargo can cause the engine to work harder, increasing fuel consumption.

·      Weather Conditions: Extreme weather conditions, such as very hot or very cold temperatures, can affect fuel consumption. In colder weather, engines might take longer to reach their optimal operating temperature, thus reducing efficiency.

·      Maintenance: Regular maintenance, including air filter replacement and engine tune-ups, ensures optimal engine performance and improved fuel efficiency.

·      Fuel Type: Different fuel types, such as gasoline and diesel, have varying energy densities, which can affect fuel consumption.

As the yachting industry continues to evolve, embracing environmentally friendly practices and technologies will shape a brighter future for yachting enthusiasts, ensuring that the splendor of sailing is preserved for generations to come.

For further discussion and insights on this topic, check out the Main Deck to engage with other industry professionals and stay informed.

Boat Gas Tank Size (With 60 Examples of Different Boat Models)

One of the most important things to know about a boat is the size of the gas (fuel) tank. Of course, gas tank sizes can differ between brand and model. In this article, we will walk you through the fuel capacities of different boat models in a detailed way with examples.

On average, a boat can hold around 40 gallons of gas in its fuel tank. But the range can vary from as small as 5 gallons or less for a small boat to as big as 250,000 gallons or more for a big yacht. Yet, most brands allow buyers to customize the boat accordingly, worrying less about fuel volumes.

Boats are not as fuel-efficient as cars. They consume a lot of gas compared to other vehicles due to their traversing in the waters. That’s the main reason why boats have bigger fuel tanks compared to other land-moving vehicles.

Many small boats tend to use 3-8 gallons of gas per hour at cruising speeds, while faster boats like speed and motorboats can use 25-40 gallons an hour. Depending on the boat’s weight, design, and, very importantly, the type of motor it has, the fuel burning rate changes drastically.

An older boat with an older engine will have poor fuel mileage when compared to more modern boats. Here’s a table showing the sizes of different boat models and their average fuel capacities range.

Those are the average fuel capacities for different boat models. OKAY, without further ado, let’s see the fuel capacities of those different boats in a detailed way.

Related post – What Fuel Do Boats Use? Check this article to know the types of fuels used in boats and their advantages & drawbacks in a detailed way.

How Many Gallons Of Gas Does A Speedboat Hold?

On average, a speedboat can hold around 250 gallons of gas in its fuel tank. But the range can vary from 150 gallons or less for a small speedboat to 1,000 gallons or more for a big speedboat. Yet, most brands allow buyers to customize the boat to their needs, worrying less about fuel capacities.

Those values may sound very big compared to other boats, but at their burning rate (which is, by the way, around 25 – 40 gallons an hour), they are comparable with normal boats with smaller tanks. Here’s a table showing the fuel capacities of different speedboat models.

A speedboat can cost around $350,000 on average. But depending on the model, amenities, speed, and the make you are looking for, the price may vary from as low as $100,000 or low to as high as $4,000,000 or more. Also, the price drastically depends on the “BRAND” rather than just the “SPEED.”

High-performance boats, also known as go-fast boats, racing boats, cigarette boats, powerboats, etc., are speedboats used in racing, recreational, luxury, law enforcement, and many other applications. By conventional standards, a high-performance boat is one that tops 60 mph.

But many of the speedboats in the market today easily hit 80+ mph. At that speed, the fuel burns very quickly. That’s why most of the speedboats have very big tanks compared to other small boats.

Related post – How Much Does A Speedboat Cost? Check this article to know the average costs of a speed boat with 15 examples in a detailed way.

How Many Gallons Of Gas Does A Pontoon Boat Hold?

On average, a pontoon boat can hold around 30 gallons of gas in its fuel tank. But the range can vary from 10 gallons or less for a small pontoon to 60 gallons or more for a big pontoon boat. Yet, most brands allow buyers to customize the boat to their needs, worrying less about fuel capacities.

The average pontoon boat will consume around 5 gallons per hour at cruising speed. This means that a five-hour trip out on the water will take 25 gallons of gas.

And it is very common to see a pontoon boat under 20ft with less than a 10-gallon tank. Many pontoon boats come with fuel tanks that are insufficient for the boater’s needs.

Since pontoon boats are not deemed for racing or speed, many manufacturers won’t give bigger tanks. Therefore, many pontoon boat owners replace an existing tank with a bigger one or add a tank to their boat. Here’s a table showing the fuel capacities of different pontoon boat models.

Pontoon boats are very popular among the boats. Their simple construction of the deck on two or three pontoon tubes makes it a very special boat. Two pontoons for most of the boats, but three pontoons go under the deck if the boat becomes larger and heavier.

Common pontoon boat designs are a catamaran with two hulls or a trimaran with three hulls. Boats with three hulls are sometimes called tri-toons. Pontoon boats are used for pleasure on lakes and rivers, and in some cases, on oceans close to shore.

Different pontoon boats have different-sized tanks. Most new pontoon boats will have a fuel capacity between 20 and 35 gallons. But most used pontoon boats will not have the same capacity unless the tanks have been upgraded by the current or previous owner ( source ).

Related Post – Do Boat Use The Same Gas As Car? Check this article to know the difference between the boat and car gasoline in a detailed way.

How Many Gallons Of Gas Does A Bass Boat Hold?

On average, a bass boat can hold around 40 gallons of gas in its fuel tank. But the range can vary from 20 gallons or less for a small bass boat to 70 gallons or more for a big bass boat. Yet, most brands allow buyers to customize the boat to their needs, worrying less about fuel capacities.

A bass boat is a small boat that is designed and equipped primarily for  bass fishing  or fishing for other  panfish , usually in freshwaters such as lakes, rivers, and streams. Unlike some other boats, the bass boat promised a focus on fishing and nothing more.

An average bass boat will consume between 4 – 5 gallons per hour at cruising speed. Each angler is going to have their own preferences and desires for their bass boat. So let’s get into it. Listed here, we have some of the best bass boat models on the market, so let’s see how they compare when stacked up.

Bass boats are usually propelled by two means: an outboard motor, which moves the boat swiftly from place to place, and a trolling motor, which moves the boat at a slow pace through an area where the angler is fishing, requiring more gas.

Bass boats typically feature aerated livewells, a flat deck, and a powerful outboard engine. The whole idea of this boat is to allow for the best possible fishing experience. The deck is completely flat, and the form of the boat is very low to the water. This allows for great control of the boat in high wind situations and in shallow waters (which is the ideal place for fishers). Outdoor Troop

A Bass Cat Puma FTD SP has a 52-gallon fuel tank that allows for easy, stress-free adventure on the water. The maximum horsepower (max HP) of this fishing machine is 250 HP. This means that with this fuel capacity and horsepower capacity, you’ll have the ability to zoom across the water at over 70 mph.

How Many Gallons Of Gas Does A Cabin Cruiser Hold?

On average, a cabin cruiser boat can hold around 200 gallons of gas in its fuel tank. But the range can vary from 120 gallons or less for a small boat to 500 gallons or more for a big boat. Yet, most brands allow buyers to customize the boat to their needs, worrying less about fuel capacities.

Cabin cruiser boats are just like mobile mini homes that you can use to take the entire family on adventures. Even with small cabin cruisers, you have the flexibility to visit new ports, spend long weekends enjoying the boating lifestyle, or just kick back for a day of swimming and relaxing on the water.

Being bigger in size than most boats (including cuddy cabins), it burns more fuel. So cabin cruiser boats have bigger fuel capacities compared to pontoon boats, bass boats, cuddy cabins, etc. Here’s a table showing the fuel capacities of different cabin cruiser boat models.

A cabin cruiser becomes a small yacht if the size increases furthermore, accumulating more space on board. A cabin cruiser also has an area behind the cockpit that is open to the outdoors. This makes a great area for resting in the sun or for fishing, crabbing, and more.

A cabin cruiser will generally range anywhere from $100,000.00 to $500,000.00.  Below $100,000, and you’re probably looking at a cuddy cabin and above $500,000.00, and you’re probably looking at a yacht or trawler. Go Downsize

How Many Gallons Of Gas Does A Cuddy Cabin Hold?

On average, a cuddy cabin boat can hold around 50 gallons of gas in its fuel tank. But the range can vary from 30 gallons or less for a small cuddy to 150 gallons or more for a big cuddy. Yet, most brands allow buyers to customize the boat to their needs, worrying less about fuel capacities.

Cuddy cabin boats offer day cruisers an interior space to sleep at night. These boats are often built like bowrider boats in the center and rear of the boat, but the front holds a cabin rather than a sitting area.

In fact, the average size of a cuddy cabin is between 18 and 28 feet long. Anything larger, and you’re probably dealing with a cabin cruiser rather than a cuddy cabin. Here’s a table showing the fuel capacities of different Cuddy Cabin boat models.

Cuddy cabin boats need a lot of fuel depending on the size and the usage. If you are cruising all day and want to sleep overnight, at least a 100-gallon tank is a must. Anything lower than that means you are at risk and should use the fuel accordingly.

Related post – Is Boat Fuel Expensive? Check this article to know more about the cost of the fuel that is used in boats and how they distinguish from normal gas station prices.

How Many Gallons Of Fuel Does A Yacht Hold?

On average, a yacht can hold around 25,000 gallons of fuel in its fuel tank. But the range can vary from 1,000 gallons for a small yacht to 250,000 gallons or more for a big yacht. Yet, most brands allow buyers to customize the yacht accordingly, worrying less about fuel capacities.

A yacht is a larger recreational boat or ship. The word “Yacht” came from Dutch origin and was originally defined as a light and fast sailing vessel used by the Dutch navy to find and capture pirates. On the other hand, a boat is smaller in size and can be anything from a fisherman’s boat to a sailboat.

Yacht engines are much larger in size, can produce considerably more power – in some cases up to 800hp, and are capable of running much longer distances, requiring very bigger tanks. Here’s a table showing the fuel capacities of different yacht models.

Smaller yachts like motor yachts or motor sails can hold around 3,000ish gallons of fuel, while the larger ones have the capacity for up to 250,000 gallons. That could cost $875,000 to fill up the tank with an average fuel price of $3.50 per gallon. Imagine spending close to $1,000,000 to fill up the yacht.

According to Superyachts.com , a boat measuring more than 71 meters consumes a staggering 132 gallons of diesel an hour—and that’s only if the engine is on, but the boat isn’t moving. If you actually want to go anywhere, you will be spending over $2,440 an hour, based on cruising speeds of between 15 and 22 knots.

Lürssen’s M/Y Azzam currently holds the title of the largest superyacht in the world. That’s equivalent to refilling a typical hatchback car more than 23,800 times, and the same amount of fuel could fill up almost six Boeing 747 commercial airliners. Likewise, it would take the fuel of 3,636 London double-decker buses or 167 24-meter yachts to fill Azzam.

The Key Takeaways From The Post

A boat can hold around 40 gallons of gas in its tank on average. But the range can vary from 5 gallons or less for a small boat to 250,000 gallons or more for a big yacht. Yet, most brands allow buyers to customize the boat to their needs, worrying less about fuel capacities.

Boats are not as fuel-efficient as cars. They consume a lot of gas compared to other vehicles due to traversing in the waters. That’s one of the main reasons why most boats have bigger fuel capacities compared to other vehicles.

Many small boats tend to use 3-8 gallons of gas per hour at cruising speeds, while faster boats like speed and motorboats can use 25-40 gallons an hour.

Depending on the boat’s weight, size, model, and, very importantly, the type of motor it has, the fuel burning rate changes drastically.

My name is Mahidhar, and I am passionate about boating. Every day I learn some new things about boats and share them here on the site.

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How to Find Out Your Boat Gas Tank Size Without the Boat Manual

Written by J. Harvey / Fact checked by S. Numbers

Knowing your fuel tank size is necessary to fill it with the right amount. In case of a spill, it’s not just about wasting fuel; there is also the matter of exposing ourselves to unnecessary danger. Fortunately, it’s easy to learn how to find out your boat gas tank size.

Referring to your boat manual or placard on the tank is the easiest way, but there are other methods if these are unavailable. Let’s cover a couple of them below.

Keep reading to learn more.

Table of Contents

• Method 1: Fill an Empty Tank Using Containers of Known Measurement
• Method 2: Calculate The Tank Measurements

What you’ll need:

How Many Gallons of Gas Does a Boat Hold on Average?

Frequently asked questions, ways to find out your boat gas tank size.

How Big is My Gas Tank? Two Ways to Find Out

The easiest way to find out how much fuel your tank can hold is to check the vessel’s owner manual for information. If you don’t have one on hand, you can also check the fuel tank, which may have that information printed somewhere on its body.

However, there may be instances where this information is unavailable, and you must determine the figure yourself. There are a couple of ways you can get it.

Method 1 : Fill an Empty Tank Using Containers of Known Measurement

• Fuel source
• Fuel containers with known measurement
• Wiping cloth
• Hose (any kind)

This is a straightforward method. Since it does not involve complicated calculations like the second approach, it may be easier to rely on. However, this solution requires a lot of work.

Step 1: Empty the fuel tank

There are two ways to empty the tank. One way is to drain the contents out, but this may require some technical knowledge or specialized tools, so we’ll leave this discussion for another time.

The second method is something any boater can do on their own; operate the boat until it runs out of juice. It is important to plan your location, as you do not want to end up stranded far from land or the dock.

Step 2: Refuel using containers of known measurement

Fill up your containers with fuel; be sure to use ones with known measurements. Pour the gas into the tank one container at a time until it fills up. Take care not to spill any fuel for better accuracy.

Alternatively, use a hose to siphon the fuel into the tank to ensure there’s no spillage. Here’s how you do it:

• Insert one end of the hose into the tank, then insert the other end into your container. Ensure that the hose reaches the bottom of your container, which should be placed higher than the boat’s tank.
• Seal up any openings of the container to keep air from getting in; you can use pieces of cloth for this and just hold it in place by hand. The gas will flow out of the container and into the boat tank once the air is kept out.
• There may be a bit of fuel left, and you can just pour it yourself. Repeat as needed.

Step 3: Tally the gas consumed

Count the containers you need to fill the boat; subtract how much is left in the last container, if any. Add the total, and this is your boat’s fuel tank size.

Method 2 : Calculate The Tank Measurements

• Calculator (online or manual)
• Measuring tape

Using this method requires you to have access to your gas tank. This way requires less time to do but needs to factor in the tank’s shape, with irregularly designed tanks being more troublesome to compute.

Step 1: Take your gas tank measurements

Take the fuel tank’s measurements as accurately as possible. Rectangular tanks will need their length, width, and height. Meanwhile, cylindrical ones make use of the height or length depending on their orientation, as well as their diameter.

Step 2: Run the numbers through a boat fuel tank size calculator

While you can make the calculations yourself, different tank shapes require different formulas. Use a tank size calculator to make things easier; select the right shape based on your measurement.

Something to keep in mind; it’s best to leave some space in the tank for air and keep it 90% full at most. Leave some space for the fuel to expand; this also helps avoid spillage.

Boats have an average boat gas tank size of 40 gallons, but the range begins at around 5-10 GL for small boats, while yacht gas tank size allows up to 350,000 GL.

Let’s look at a few types of vessels and see how much fuel certain models of 20 ft boat hold.

• The SunDeck Sport 201 IO Hurricane deck boat gas tank size allows for 47 GL, while the MasterCraft 2023 ProStar ski boat carries only 30 GL.
• Even watercraft belonging to the same category may differ significantly in their capacity. A center console boat like the Yamaha 195 FSH Sport maxes out at 40 GL, while Bayliner’s T20CC and T20CX both top out at 55GL.
• Bass boat gas tanks usually range between a 25 to 50 GAL For instance, the Skeeter ZX200 has a gas capacity of 36 GL.
• Pontoon boat gas tank size ranges from 20 to 35 GL. However, some Pontoon gas tank size can go as low as a mere 5 GL since these are typically for lounging and not actual boating.

Why is it important to know your boat’s gas tank size?

The amount of fuel you have directly affects how long your vessel can operate, and knowing the tank size means maximizing its potential. This requires you to learn how to know the size, find the exact figure, and plan your activity well to make the most of any craft.

What are the types of gas tanks?

The two basic types of gas tanks are permanent and portable.

• Portable ones are those that can be disconnected and even swapped out. However, these usually have a lower capacity—around 5 GL.
• Permanent are those fixed to a spot on the boat, usually on or below deck, and can hold 10 GL and up. It is common for larger vessels to have multiple of these.

How do you calculate the size of a boat’s gas tank?

Aside from running your boat fuel tank’s dimensions through a boat fuel tank size calculator, you can make the calculations yourself. For example, the formula for calculating the volume of a rectangular tank is multiplying its length, width, and height.

This yields your tank’s volume in cubic feet. Convert it to gallons for the standard unit of measurement used in measuring boat fuel capacity. Do so by multiplying the resulting volume by 7.48.

How do you check a gas tank on a boat?

Finding out your boat tank’s size by measuring it requires you to have full access to it. Portable tanks are easy to measure as you only need to disconnect them to take their dimensions. However, a fixed tank can be problematic.

If you can’t access enough of the tank to measure it, use the first method (filling an empty tank and calculating the volumes of fuel used) instead.

Now you know how to find out your boat gas tank size even without access to the owner’s manual. You’ll notice that the boat’s manual contains a lot of essential information, so keep it in a safe place and don’t lose it.

What other measurements or calculations do you know of that are necessary to make when the owner’s manual goes missing? Tell us your suggestions in the comments section below.

Remember to boat safely.

“My intention from the first day establishing Boating Basics Online is to provide as much help as possible for boaters who want to experience a first safe and convenient trip. So feel free to join us and share your beautiful journeys to the sea!”

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Azzam Superyacht

Azzam Superyacht, delivered in October 2013, replaced the Eclipse Superyacht as the largest superyacht in the world.

Constructor

Fr. Lurssen Werft

Exterior Designer

Nauta Design

Interior Designer

Christophe Leoni

Length of Azzam

October 2013

Two diesel engines rated at 23,000HP

Azzam was launched at Lurssen Shipyard in Bremen, Germany, in April 2013. Upon delivery to its owner in October 2013, the yacht created a significant landmark in yacht building, involving less than three years of construction and one year of engineering activities.

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The owner of the yacht is Sheikh Khalifa bin Zayed Al Nahyan, the President of the United Arab Emirates and Ruler of Abu Dhabi. The yacht’s construction cost more than $600m. The name of the yacht, Azzam, means determination in Arabic.

The exterior design of the yacht was provided by Nauta Design, while interior design was by Christophe Leoni. Fr. Lurssen Werft was responsible for the engineering and construction of the Azzam superyacht. Technical engineering activities were carried out under the leadership of Mubarak Saad al Ahbabi.

Development of the world’s largest superyacht

The yacht was transferred from her original dock at Lurssen Shipyard, measuring 170m, to a larger dock, measuring 220m, in May 2012. Steel cutting for the yacht was held in late 2009.

The yacht successfully completed sea trials in June 2013, prior to its commissioning.

Dimensions of the superyacht

The Azzam measures 180m long, and has a beam of 20.8m and a maximum draft of 4.3m. The hull of the world’s larget yacht is made of steel.

The yacht is larger than the Eclipse by 17.2m. The Eclipse, which was commissioned in 2010, is owned by billionaire Roman Abramovich.

Azzam superyacht has a gross tonnage capacity of approximately 14,000t and features a fuel tank with a capacity of one million litres.

Its main salon measures 29m in length, with its beam measuring 18m. The salon on-board the yacht has an open space featuring no support pillars. The yacht features approximately 50 suites with no large open spaces on the deck, with the interior design of the vessel incorporating the Empire Style.

Azzam superyacht layout and facilities

The interior design of the yacht is highly confidential, but initial photo releases suggest that it features six decks. The rear view of the vessel also suggests that it is powered by jets.

The yacht is capable of providing accommodation facilities for at least 50 professional crew members. Similar to other yachts constructed by Lurssen, Azzam is environment-friendly with decreased carbon dioxide, noise and soot emissions, as well as enhanced fuel-efficiency.

Azzam is also believed to include facilities to use waste heat from the engine to operate the yacht’s desalination system for drinking water. Lurssen has been lauded for being the first yacht-builder to implement this system.

Engine details

The yacht features two gas turbines and two diesel engines with a rated power output of 23,500hp. The yacht can sail at a maximum speed of 30k.

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What is your Fuel Tank Size?

• Thread starter Signal 20
• Start date Feb 27, 2010

• Feb 27, 2010

Re: What is your Fuel Tank Size? If yer driving somewhere and fishing, a 12 or 15 gallon tank. If yer going to sea and running WOT all day, you'll need 60 - 80 gallons. In other words, there isn't anywhere near enough information in your post to figure it out. It'll burn about 8 gallons per hour at WOT. hope it helps john  

Supreme Mariner

Re: What is your Fuel Tank Size? I had a 17' Ranger with a 115 tower and a 10 gallon built in tank. Believe it or not I could play all day including the days water skiing was included in the agenda, on that 10 gallon tank. You did have to insure you had a full tank on the way to the water however. Current 17' boat has the 3 cyl 90 and a 22 gallon tank. I usually use 5-6 gallons on an outing with this boat so I keep it at the 5-10 gallon level. My usage is on inland lakes in an area of not more than 20,000 acres and I don't ski any more. As Mr. Martin said, if you were considering off shore especially where you had a long run just to get to the open water, then a large tank would be necessary. Knowing your gph and usage habits helps a lot in making your decision. I think the usage number people refer to (on this site) is like 10% of the hp of the engine rating at WOT. Obviously operating just above planing speed will significantly reduce the consumption for two reasons: Efficiency is much better there and you are not using your full engine rated hp. So, an 80 hp engine operated for a solid hour at WOT should consume about 8 gallons of fuel. But that same engine operated at say 25 mph when planing speed is roughly 20 would require say 40 hp so your consumption rate then may drop to 2.5-3 gph. Mark  

Re: What is your Fuel Tank Size? Don't count on a lot of gain in mileage by going slow in a boat. The faster you go, the less water friction there is, and the more air friction there is. I find with my bass bote that will run WOT in the low 60's, that the most efficient fuel usage speed is about 50. Part of that is that it's set up to run 60 plus, so to run 30 I have to trim the nose down and plow a little or it'll hop like a frog. Usually the best way to figure fuel usage is to figure the mileage you probably will run, and figure the fuel at WOT. You'll come out pretty close no matter what you do. hope it helps john  

Re: What is your Fuel Tank Size? i have a 16' starcraft and i am planning on something around the 30 gallon range......im running a '73 merc 850 so im looking at having about 4 hours at wot ...i usually just go out and play up and down the river....drown a few worms here and there, so in my case i think i am good for a "full days" use from a tank... unless your going out into big water, or water skiing all day, how much are you actually at wide open throttle?? with my limited experience with small boats, i see a big difference in wot fuel usage vs cruising speed usage......  

j_martin said: Don't count on a lot of gain in mileage by going slow in a boat. The faster you go, the less water friction there is, and the more air friction there is. I find with my bass bote that will run WOT in the low 60's, that the most efficient fuel usage speed is about 50. Part of that is that it's set up to run 60 plus, so to run 30 I have to trim the nose down and plow a little or it'll hop like a frog. Usually the best way to figure fuel usage is to figure the mileage you probably will run, and figure the fuel at WOT. You'll come out pretty close no matter what you do. hope it helps john Click to expand...

trendsetter240

Re: What is your Fuel Tank Size? If yer going point to point, it's rather amazing how little difference there'll be. From the landing to my favorite spot in Voyagers National park used to take me an hour and 3/4, and 2 gallons of gas with the tinny and and a 10 horse. With the bass bote and a XR4 mounted high and back, it takes about 14 minutes and 3 gallons. And it's one heckofalot more fun. john  

milehighboater

Petty officer 1st class.

Re: What is your Fuel Tank Size? I have a 99 75hp 3cyl with a 20 gallon tank. This is normally enough for any of our colorado lakes. I make sure the tank is topped off if it is going to be a heavy driving day. For me though 20 gallons is enough to play all day, run around do some fishing and then get it back on the trailer. I wouldn't over analyze it. If you are inland a 20 gallon tank is enough.  

Rear Admiral

Re: What is your Fuel Tank Size? On your boat at 17' a full 20 gal tank is just about the upper end of the limit for weight. Just follow the golden rule of 3's, use 1/3 to get you where your going so you have a 1/3 to get you back and 1/3 left over just to be safe.  

j_martin said: If yer going point to point, it's rather amazing how little difference there'll be. From the landing to my favorite spot in Voyagers National park used to take me an hour and 3/4, and 2 gallons of gas with the tinny and and a 10 horse. With the bass bote and a XR4 mounted high and back, it takes about 14 minutes and 3 gallons. And it's one heckofalot more fun. john Click to expand...

Re: What is your Fuel Tank Size? Well when I'm going WOT, I've got about a foot and a half of boat and about 2/3 of the propeller in the water. I can slow down to about 50 and keep the nose up. It rides real sweet there, and I'm sure uses less fuel per mile, but if I slow down much more, it'll porpoise and cut up, especially if I have some water in the fish's swimming pools so I have to pull the motor in and put the keel down in the water. Then it's using fuel to overcome drag. It runs ok there. In fact, I take some real old timers fishing, and I sandbag the bow about 150 lbs just so I can run slow and smooth, and I can mush up onto plane without getting too excited and scaring the poor fellows. The XR4 don't really like it, though. It'd much rather truck donkeys.  

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