alden 50 sailboat data

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The Alden 50 Sailboat Specs & Key Performance Indicators

The Alden 50, a heavy displacement cruiser, was designed and built in the USA by Alden Yachts.

Published Specification for the Alden 50

Underwater Profile:  Stub keel with centreboard, and skeg-hung rudder

Hull Material:  GRP (Fibreglass)

Length Overall:  50'4"  ( 15.3m)

Waterline Length:  37'1"  ( 11.3m)

Beam:  13'6"  ( 4.1m)

Draft:  max  10'4"  ( 3.2m), min  5'6"  ( 1.7m)

Rig Type:  Masthead sloop

Displacement:  38,000lb (17,237kg)

Designer:  Alden Yachts

Builder:  Alden Yachts (USA)

Year First Built:  1996

Year Last Built:  1998

Number Built:  3

Published Design Ratios for the Alden 50

1. Sail Area/Displacement Ratio:  15.5

• Less than 16 would be considered under-powered;
• 16 to 20 would indicate reasonably good performance;
• Over 20 suggests relatively high performance.

2. Ballast/Displacement Ratio:  42.9

• Under 40: less stiff, less powerful
• Over 40: stiffer, more powerful

3. Displacement/Length Ratio:  333

• Under 100: Ultralight
• 100 to 200: Light
• 200 to 275: Moderate
• 275 to 350: Heavy
• Over 350: Ultraheavy

4. Comfort Ratio:  44.7

• Under 20 indicates a lightweight racing boat
• 20 to 30 indicates a coastal cruiser
• 30 to 40 indicates a moderate offshore cruising boat
• 40 to 50 indicates a heavy offshore boat
• Over 50 indicates an extremely heavy offshore boat

5. Capsize Screening Formula:   1.6

• Under 2.0 (the lower the better): Better suited for ocean passages
• Over 2.0: Less suited for ocean passages

read more about these Key Performance Indicators...

Summary Analysis of the Design Ratios for the Alden 50

1. A Sail Area/Displacement Ratio of just 15.5 suggests that the Alden 50 will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go.

2. A Ballast/Displacement Ratio of 42.9 means that the Alden 50 will stand up well to her canvas in a blow, helping her to power through the waves.

3. A Displacement/Length Ratio of 333, tells us the Alden 50 is clearly a heavy displacement cruising boat. You can load her down with all your cruising gear and equipment and it will hardly affect her waterline. Not an ideal choice for coastal sailing, but she'll come into her own on an offshore passage in testing conditions.

4. Ted Brewer's Comfort Ratio of 44.7 suggests that crew comfort of a Alden 50 in a seaway is similar to what you would associate with the motion of a heavy bluewater cruising boat. Pitching and rolling will be well damped - your cup of coffee on the salon table stands a reasonable chance of staying there in most conditions.

5. The Capsize Screening Formula (CSF) of 1.6 tells us that an Alden 50 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 

Cruisers' Questions

What are the pros and cons of a stub keel with a centerboard rather than a fin keel?

That's an interesting question. There are different types of keels that have different advantages and disadvantages depending on your sailing goals and preferences. Here are some pros and cons of a stub keel with a centerboard versus a fin keel:

• A stub keel with a centerboard allows you to adjust the draft of your boat by raising or lowering the centerboard. This can be useful for sailing in shallow waters or beaching your boat. A fin keel has a fixed draft that limits your access to some areas.
• A stub keel with a centerboard may have less performance than a fin keel, especially when sailing upwind. A fin keel offers better lateral resistance and stability, which translates into higher speed and less leeway. A stub keel with a centerboard may also create more drag when the centerboard is down.
• A stub keel with a centerboard requires more maintenance and complexity than a fin keel. You need to operate the mechanism that controls the centerboard, which may involve ropes, pulleys, winches, or hydraulics. A fin keel is simpler and more robust, as it is bolted to the hull.
• A stub keel with a centerboard may take up some space inside the boat, depending on how the centerboard is stored when raised. A fin keel does not affect the interior volume of the hull.

As you can see, there is no definitive answer to which keel type is better. It depends on your sailing style, preferences, and needs. Some sailors prefer the versatility and shallow draft of a stub keel with a centerboard, while others prefer the performance and simplicity of a fin keel.

Who was John G Alden, and what were the best-known of his sailboat designs?

John G. Alden was a naval architect who opened his design office in 1909 and became famous for his fast and seaworthy offshore boats. He designed a broad range of boats and yachts, many of which have become true classics. Some of his best-known sailboat designs are:

• The Malabar series, which won many offshore races between 1923 and 1932.
• The Sakonnet One-Design, which was designed for the Sakonnet Yacht Club, where Alden learned how to sail.
• The Cheoy Lee Offshore series, which were built by Cheoy Lee Shipyards in Hong Kong and became popular cruising boats.
• The Boothbay Challenger and Boothbay Explorer, which were large ketch-rigged motor sailers that combined comfort and performance.

Other sailboats in the Alden range include:

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Review of Alden 50 (1986)

Basic specs..

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.

The boat is equipped with 643.0 liter fresh water capacity.

CentreBoard

The Alden 50 (1986) is equipped with a centreboard keel. A centreboard keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.

The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.

The boat can enter most marinas as the draft is just about 1.68 - 1.78 meter (5.51 - 5.81 ft) dependent on the load. See immersion rate below.

Alden 50 (1986) is typically equipped with a Westerbeke diesel engine at 70 hp (52 kW). Calculated max speed is about 5.8 knots.

The fuel tank has a capacity of 568.0 liters (150 US gallons, 124 imperial gallons).

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Capsize Screening Formula (CSF)?

The capsize screening value for Alden 50 (1986) is 1.38, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.7 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Alden 50 (1986) is about 240 kg/cm, alternatively 1348 lbs/inch. Meaning: if you load 240 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1348 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is a Ballast Ratio?

What is Displacement Length Ratio?

Maintenance

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 51m 2 (548 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

We are always looking for new photos. If you can contribute with photos for Alden 50 (1986) it would be a great help.

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• Sailboat Guide

Cheoy Lee Alden 50

Cheoy Lee Alden 50 is a 50 ′ 3 ″ / 15.3 m monohull sailboat designed by John G. Alden and built by Cheoy Lee Shipyard starting in 1967.

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

• SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
• D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

Not the same as the ALDEN 50/54, built by Alden Yachts in late 1980’s.

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Alden 50 cheoy lee

The alden 50 cheoy lee is a 50.33ft masthead ketch designed by alden and built in fiberglass by cheoy lee shipyard since 1967., 10 units have been built..

The Alden 50 cheoy lee is a heavy sailboat which is slightly under powered. It is reasonably stable / stiff and has an excellent righting capability if capsized. It is best suited as a heavy bluewater cruising boat.

Alden 50 cheoy lee for sale elsewhere on the web:

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Alden 50 (Cheoy Lee) - Sailboat Data, Parts & Rigging

Sailboat data, rig dimensions and recommended sail areas for Alden 50 (Cheoy Lee) sailboat. Tech info about rigging, halyards, sheets, mainsail covers and more.

Sailboat Data directory for over 8,000 sailboat designs and manufacturers. Direct access to halyards lengths, recommended sail areas, mainsail cover styles, standing rigging fittings, and lots more for all cruising and racing sailboats.

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• Grand soleil

• Descriptive

Alden 50 Year 1989

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WHIRLAWAY | Alden 50 | 50ft

Jamestown, RI, US

WHIRLAWAY is a very special thoroughbred. It was imagined by the team at C. Raymond Hunt Associates and brought to fruition by the professionals at Alden Yachts. Under the stewardship of three owners, the vessel was admired in every harbor it entered. It was the fourth owner that transformed it into a 21st-century motor yacht. WHIRLAWAY now runs faster, the three staterooms are more comfortable, the new salon windows allow for the sea breezes, the galley has been modernized, and the flybridge, with its carbon fiber hardtop, is the central gathering area.

Some of the most recent work done on WHIRLAWAY: 

• Cummins Diesels installed  2020
• Transmissions installed  2020
• Running gear installed  2020
• Custom teak occasional chairs double as dining chairs, upholstery  2020
• Headliner custom fitted to house LED lighting  2020
• Teak and holly sole with a gloss finish, varnish  2023
• Salon varnished renewed  2023
• Salon upholstery 2020

Not all boats listed online are listed with Wellington Yacht Partners, but we can work on your behalf. For more information on this vessel or to schedule a showing, please contact Wellington Yacht Partners by calling our office at (401) 683-6070.  

Specifications

• Length: 50ft
• Builder: Alden
• Beam: 15' 8"
• Draft: 3' 7"
• Displacement: 45000.00 lbs
• Hull: Fiberglass
• Designer: DeVries Lentsch

 Request More Info

MEASUREMENTS

• Max Draft: 3' 7"
• Displacement: 45000.00 lb
• Beam Measure: 15' 8"

Accommodations

Request More Information

1994, Alden 50

 (401) 965-2727

 [email protected]

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One Maritime Drive, Portsmouth, RI 02871, USA

Specifications ALDEN 50 (CHEOY LEE)

Home - Sailboat Listings 1967 - 50.33 ft / 15.34 m - Alden - Cheoy Lee Shipyard Ltd.(HK)

ALDEN 50 (CHEOY LEE) Sailboat Data

Hull Type: Long Keel Rigging Type: Masthead Ketch LOA: 50.33 ft / 15.34 m LWL: 34.16 ft / 10.41 m S.A. (reported): 1,156.00 ft² / 107.40 m² Beam: 13.16 ft / 4.01 m Displacement: 34,000.00 lb / 15,422 kg Ballast: 11,500.00 lb / 5,216 kg Max Draft: 6.50 ft / 1.98 m Construction: FG First Built: 1967 # Built: 10 Builder: Cheoy Lee Shipyard Ltd. (HK) Designer: Alden

Information from  sailboatdata.com .

Type Engine: Diesel Hull Speed: 7.83 kn

1990 Alden 50 Technical Specs

General data about alden 50.

Engine and Power Specs

Dimensions And Wieght

Detailed Specifications

Features And Equipments

Safety features.

Other Equipments

• Alden provided us with the latest version of its 50 service repair manual
• Find All mechanical and electrical parts and accessories of Alden 50 Sail here

Alden 50 competitors

Hallberg-Rassy

50′ Alden 50

Apr 5, 2022

Priced to Sell

Yacht inquiry.

• Name * First Last
• How did you hear about us? * Select One Direct bviyachtsales.com Other listing website Search Engine (Google, Bing) Outdoor Signage Social Media or Web Banner Print Magazine Online Forum (e.g Cruisersforum.com) Other

Engine/Fuel

Single Diesel

Hull Material

Bvi yacht sales overview, 1990 50′ alden 50 ‘ronald van bremen’.

Rarely does a classic of this pedigree come on the market in such upgraded and well-maintained condition

With her powerful engine and efficient, easy to handle sail plan, ‘Roland Von Breman’ is a joy to experience underway. Below decks she is welcoming and elegant with private accommodations for six to eight and a galley that is both easy to work in underway and is well out of the traffic flow with more than adequate counter space and storage.

Never mind that she receives compliments everywhere she goes, the best thing is how an Alden sails! Certainly a head turner, and likely one of the most beautiful American yacht designs ever built. This Alden is a once in a lifetime type of vessel that was custom built in 1990 , to the tune of (adjusted for inflation) $1.3 Million. With her incredible solid wood cabinetry and highest quality hardware, this is vessel that would be difficult to impossible to reproduce today. She has crossed the Atlantic three times, sailed around the world and made multiple passages between the east coast of the US and the Caribbean islands. If you are looking for a proven blue water cruiser, look no further….. She will not last long at this price!

• Vessel Overview and Accommodation
• Galley and Water Systems
• Electronics and Navigation
• Electrical Systems
• Deck and Hulls
• Mechanical Equipment
• Engine Details
• Center Cockpit with dual walk-through passageways below decks
• V Berth forward with filler to make a large double. 
• Ensuite Head with Shower and new toilet, large hanging locker, cabinets and drawers
• Main Salon features folding solid top inlayed centerline table with storage inside and two Swivel arm chairs to starboard with a tan leather L-shaped settee to port, copious storage behind and under as well as storage under the solid traditional teak and Holly (not Teak on Ply) cabin sole.
• Proper full size, fully outfitted Navigation Station at the starboard aft area of the Main Cabin
• Galley is to port with Deep Stainless Steel Centerline sinks and Cabinets inboard, opposite is a (4) Burner Gimbaled Stove with Oven and Broiler and a Front and Top Opening Coldplate Refrigerator and an additional Top Opening dual Cold Plate Deep Freezer. 
• Cabinets and Draws are Outboard and below the off-white Corian countertops.
• To starboard is a Walk-through Cabin with two good size Bunk Beds with Storage below and drawers and a Hanging Locker
• The Master Cabin is all the Way Aft with a full Queen Size Centerline Double Berth and Cabinets and Drawers and a Hanging Locker with Shelving
• There is a second Head with a Separate Shower Stall between the Galley and the Aft Cabin which can act as an additional Passageway Aft
• Forward Cabin:
• Berth length and width – 78″L x 90″W (at head)
• Headroom 6’5 1/2″
• Headroom: 6’5 1/2″ – 6’7″
• Headroom: 6’7″ forward to 6’2″ aft
• Berths – top: 29″ x 81″, bottom: 39′ x 81″.
• Headroom: 6’4″
• Bed: 78″ L by 61″ W;
• Headroom 6′ 1″
• Stove, Mariner, (4) Burner with Ceramic Broiler in Oven
• Refrigeration Systems
• 110 Volt AC Powered Grunert, Fridge and Freezer, (3) SS Holding Plate AC Refrigeration Model 75W
• 12 Volt DC Adler Barbour Cold Machine (New April 2019)
• Engine Drive System by Grunert (All (3) cold Plates have Dual Cooling Ports)
• Kenmore Digital Microwave Oven
• SS Water heater, 10 Gallons operates on both Engine and 120v AC
• ParMax5 Pressure Water Pump
• Watermaker: Sunpure 12V 10 GPH (New April 2019)
• Deck Shower, Aft, hot & cold Water
• Danforth Constellation 6″ Compass with Deviation Card
• Raymarine ST70 Speedo with Airmar Transducer, Model ST600
• Raymarine ST 60 Wind Indicator with Masthead Transducer (New 2019)
• RaymarineST60 Multi Repeaters at Nav Station and in Aft Cabin at the Captains Berth
• Radar Scanner, DRS4D installed (NEW 2019)
• AIS Receiver, Furuno FA30, interfaced to both Chart Plotters
• Hard Mounted Category 1 (406) Epirb (New 2019)
• Ethernet Switch, D-Link DSS-8
• VHF Radio, Standard Horizon GX2320
• SSB, Icom M710 with T130 Automatic Tuner and new Shakespeare Multi Band whip Antennae
• Stereo, AM/FM CD Stereo System, Pioneer KEH P690
• Speakers (2) below Deck, Plugs for Cockpit Speakers installed
• Diesel Generator Westerbeke 8BTW 8 KW (Generator installed new 1996) 120v (Major servicing 2016 – 889 Hours on meter)
• Battery Charger, Promariner model ProMatic 50-3
• Batteries, Ship Battery Bank, (4) 125 Amp hour Trojan 6V Volt Batteries (New January 2019)
• Battery, Main Propulsion Engine Starting Battery, 115 Amp Hr (New February 2019)
• Battery, Generator Starting Battery, 105 Amp Hr (New February 2019)
• Inverter, Xantrex SW 3000 pure Sine Wave Inverter / 150 Amp Charger for rapid recharging under generator or shore power, with Digital Control Module (installed new 2014)
• 590 Watt Solar Array with Hyundai Rigid Panels on Sturdy Aluminum Stern Arch (installed new March 2019)
• Victron MPPT 100/50 Smart Solar Controller with Bluetooth Monitoring Function (New March 2019)
• Air Conditioning (Forward), Marine Air 16,000 BTU
• Air Conditioning (Aft), Marine Air model 8,000 BTU
• Interior Dome Lights with dual red/white Halogen Bulbs (red) and LED Bulbs (white)
• Danish Reading Lights and Custom Rope Light Mood Lighting plus Automatic Interior Lights in many of the Lockers and in the Fridge and Freezer
• AC Input, (2) 30 Amp Ship’s Service with Breakers at Inlets per ABYC
• Power cords, (2) 50″, (1) 25″
• 50 amp Isolation and Step Down Transformer, Olsun Electrics Company Converts and/or isolates from 220/240 to 110/120
• Power Adapters for Europe and NZ
• Navtec hydraulically operated neutrally buoyant centerboard. (New pivot pin and major servicing, 2015)
• Anchor Windlass, Maxwell VWC 3500 Watt with up and down Controls at Bow and at Helm
• Deck Washdown Pump and Hose
• Vetus 8KW Bow Thruster (serviced Jan. 2019)
• Anchor – SL Claw 66lb with 400″ 3/8 Chain
• Anchor, Danforth 35 lbs with Chain and Rode
• Anchor, Paul Luke Fisherman Style, 75lbs with heavy Rode
• Dodger with removeable Window Panels (Good Condition)
• Bimini -with removable clear Side Curtains and Aft Curtain as well as a complete Insect Screen Enclosure (Good Condition)
• Cockpit can be completely enclosed with Clear Plastic Curtains or Insect Screens
• Custom white Vinyl Cockpit Cushions and Semi Rigid Backs
• Cockpit Table, Teak, AFI, Folding, with Fiddles
• Complete Deck (3) Piece Awning of Textilene
• Dinghy, Inflatable, 10′, AB VS (New 2014)
• Outboard Engine, Mapi 15 HP Two Stroke (New 2014)
• (5) Fenders, (4) with Covers
• Fender Boards (2)
• Custom Complete Sunbrella Covers for Toe Rails, Rub Rails, Dorade Boxes, Handrails and Cockpit Brightwork (All in very good Condition)
• (4) Winch Handles
• (4) Snatch Blocks
• Bosuns Chair
• LP Gas Tanks, (2) 20 Lb, Aluminum
• Jack Lines in Cockpit/Deck (2008)
• Safety Harnesses, Model 38AH
• (2) Type ‘V’ Vests
• (4) Type 1 Vests
• MOB Pole on Backstay
• MOB Light (2018)
• Horseshoe Life Ring on Stern Pulpit
• Viking Marine Seasafe (8) Person Liferaft (next Service due September 2019)
• ACR Category 1 Self Deploying GPS (New March 2019)
• LED Masthead Tricolor, Anchor Light and Strobe Light at Masthead (New February 2019)
• Ladder, Custom Folding Stainless Steel with Teak Steps
• Garhauer Outboard Motor Lifting Davit
• Numerous Docklines and Springs
• Extra Anchor Rodes
• Snubber Line with Chain Hook
• Numerous Spare Parts and a large Selection of Fasteners, Electrical Spares (Thousands of Dollars worth of Tools and Parts for many of the Vessel’s Systems)
• Propane BBQ
• Bilge Pump, Electric, 12Volt DC, 8 GPM (Plus New Spare)
• Bilge Pump, Rule, Electric, 12 Volt DC, 2500-GPH (New float Switch 2019)
• Bilge Pump, Edson Manual under Galley Sole
• Bilge Pump, Beckson, Manual, 1.5 Inch Hose, Cockpit Sole
• Shower Sump Pump, PAR (2) with Automatic Stiches and one new Spare plus Spare Switch
• Autopilot, Raymarine 7000 at Helm plus remote Control Autohelm 7000 at NavStation- Hynautic Hydraulic Drive with Spare Ram, Spare Controller, Spare 3G Computer and Spare Rudder Feedback and Compass all Onboard
• Fire Protection, Engine Room, Fireboy 15CG
• Two current B1 ABC Fire Extinguishers in Main Cabin and Side Cabin, two B2 BC Units in Forward and Aft Cabins
• Smoke Alarm in Aft Cabin
• Yanmar 4JHDTE,3860 hrs on Meter (actual Hours unconfirmed) Excellent Condition and starts instantly.
• Racor filters: One 500 Model each or Generator and Main Engine: #500MA
• Engine and Drive Train Underwent a major servicing for anticipated long distance cruising in Jan. 2019

Ronald Van Bremen

Accommodation

Subscribe for updates on the latest bvi yacht sales price reductions, offers, and new listings., contact bvi yacht sales, nanny cay, tortola, british virgin islands, [email protected], +1 941 900 4510, monday to friday | 9:00am - 5:00pm ast.

SOLD – 50’ Alden

Port Saint Lucie, Florida

More Information

 Centerboard

Engine/Fuel Type:

Single / diesel

Hull Material:

82116-3662665

Halekai is a luxurious, semi-custom sailing yacht, designed by John G. Alden, Inc. and built in Portsmouth, RI to the rigorous standards of American Bureau of Shipping-A1 offshore certification. She’s a proven world cruiser, having earned the rare honor of completing a circumnavigation.  Alden Yachts is a renowned top of the line yacht builder since 1909, known for rugged construction, superior joinery, high quality equipment and speed. She was customized by her current (and only) owners for self-reliant world cruising and outfitted specifically for their ten year circumnavigation. They refer to her as the “ultimate cruising boat,” based on their  extensive blue water experience sailing aboard their two previous boats.

“Halekai” has been meticulously maintained and constantly upgraded to the highest standards. The dark green hull was awl-gripped and the diesel engine was rebuilt during a $50,000 refit in 2011/12. A complete electronic refit was done in 2019. The layout consists of a large chain locker/storage compartment with watertight door, forward guest stateroom with head/shower, main salon, nav station, walk-in workshop, walk-through galley, and aft master stateroom with head/shower.

Due to her partially enclosed center cockpit from which they can set and adjust the roller-furled sails, they “never needed foul weather gear in 120,000 miles of sailing.”

YOU DON’T WANT TO MISS THIS BOAT! She’s the perfect world cruiser for a couple or family, and she has the experience and pedigree to prove it. Her stunning lines and graceful curves speak to her performance at sea, and the modifications that her owners have made to her have made her a self-contained “island” where you can be fully self sufficient.

Basically, all the work has been done for you to make this boat the ideal world cruiser. All you have to do is provision and set sail.

• Commissioned, owned, and cruised by Seven Seas Cruising Association Commodores
• Built to circumnavigate with many customizations
• Hydraulic centerboard: 5’5” draft up, 13’ down
• Custom 63” mast height for ICW bridges
• Minimal maintenance required on deck with stainless handrails and aluminum toerails. No teak deck!
• Aft deck crane for lifting and launching inflated dinghy with outboard attached
• All sails are roller furling
• Custom walk-in WELL STOCKED workshop with lathe, drill press, etc.
• Electric Sailrite sewing machine custom fitted into settee locker
• Custom hard dodger and cockpit roof with all-round enclosure panels
• Custom stern radar arch with wind generator
• Monitor windvane
• Washer/dryer combo
• Diving compressor with compressed air running throughout the boat
• Watertight bulkhead door leading to large forward storage locker and chain locker
• Varnished American cherry interior
• Gourmet galley with built-in carbonator (MAKE YOUR OWN CHAMPAGNE)
• Centerline queen in master stateroom
• One Raritan electric and one manual W&C toilet

Additional Specs, Equipment and Information

• LOA: 50 ft 4 in
• Beam: 13 ft 6 in
• LWL: 37 ft 1 in
• Minimum Draft: 5 ft 4 in
• Maximum Draft: 12 ft 0 in
• Displacement: 38000 lbs
• Ballast: 13000 lbs
• Bridge Clearance: 63 ft 0 in
• Total Power: 82 HP
• Engine Brand: Westerbeke
• Year Built: 1993
• Engine Model: 82B
• Engine Type: Inboard
• Engine/Fuel Type: Diesel
• Propeller: 3 blade propeller
• Drive Type: Direct Drive
• Engine Power: 82 HP
• Fresh Water Tanks: (180 Gallons)
• Fuel Tanks: (200 Gallons)

Accommodations

• Number of single berths: 2
• Number of double berths: 2
• Number of cabins: 2
• Number of heads: 2

Electronics

• Depthsounder
• Log-speedometer
• Wind speed and direction
• Repeater(s)
• Navigation center
• Radar Detector
• Furling mainsail
• Furling genoa
• Steering wheel

Inside Equipment

• Electric bilge pump
• Manual bilge pump
• Battery charger
• Air compressor
• Air conditioning
• Fresh water maker
• Washing machine
• Marine head
• Electric head
• Refrigerator
• Deep freezer

Electrical Equipment

• Shore power inlet

Outside Equipment/Extras

• Wind generator
• Solar panel
• Cockpit table
• Outboard engine brackets
• Electric windlass

Hull & Deck

• Hull and deck are fiberglass and Baltek end grain balsa cored.
• Vinylester outer layers and phenolphtalic gelcoat guarantee freedom from blisters.
• The external lead keel was a top priority for us
• A deep bilge is uniquely constructed into the lead keel.
• The hydraulic fiberglass centerboard allows a draft of only 5’4” for shallow waters and 12’ with the board down for upwind performance and greatly enhanced stability.
• The full skeg provides rudder protection.
• The deck was designed for low maintenance:
• Aluminum toerails
• 316 stainless steel handrails
• Fiberglass dorade boxes
• No teak deck! non-skid surface
• The three-fold SS boarding ladder with teak steps can be mounted on either side with special inserts it also serves as a stern passerelle for Med-mooring.
• Lifelines are 33”, extra high for safety
• The cockpit benches and sole are teak strip planking.
• The varnished teak cockpit combing is the only exterior brightwork.
• The cockpit is sheltered from the elements by a hard dodger with plexiglass windows and a full-length hard roof with two sail observation windows.
• Two 160 W mono crystal solar panels (2018) are mounted on top of the cockpit roof.
• Five 40W mono crystal solar panels (2018) are on the hard dodger roof.
• Fold-up Lexan panels allow for full or partial enclosure even while operating the winches the center cockpit is well protected offshore even when not enclosed
• Owners have never needed foul weather gear in 120,000 miles of sailing, including circumnavigation
• A folding varnished teak cockpit table with hinged side wings is uniquely designed to allow for a longer table which accommodates four people comfortably.
• The gas locker contains two 20 lb propane bottles, draining outboard and built flush into the deck.
• The aft deck lazarette contains an 8 kW diesel generator, a diesel heater and storage area.

Dinghy & Arch

• Dinghy storage and launching system on aft deck
• The dinghy with outboard attached is stored upright in chocks on the aft deck; it is easily launched and retrieved single-handedly by a unique wirelessly controlled electric crane mounted on the port side of the radar arch.
• The boat can be sailed with the stored dinghy inflated.
• The latest model 9’5” Caribe inflatable has a locking forward compartment for the fuel tank and a built-in fuel hose conduit connecting it to the 15 HP Yamaha outboard.
• Compressed air and a 12 V outlet for turbo pump on the aft deck allows quick inflation.
• Custom Stainless Arch with Furuno 1761 open array radar, Silentwind 450 W wind generator, GPS and wifi amplifier antennas

Ports & Ventilation

• All hatches and ports are Bomar cast Alumag.
• Side windows and companionway boards are bulletproof 1/2” Lexan.
• The 12 ports allow cross ventilation and have external Lexan hoods to reduce rain splatter.
• All openings are screened.
• Hatches have Ocean-Air screen and shade system and security bars.
• Nine 12 V ventilation fans are mounted throughout the boat.
• Cutter-rigged all roller furling for single-handed sailing, controlled from the cockpit.
• The 63’ mast height allows for ICW fixed bridge clearance.
• Powder coated Sparcraft furler mast with folding alu steps to the top and two Profurl foresail rollers.
• The sail inventory includes an in-mast mainsail by UK Sails (2012), 130% genoa (2007)
• Staysail, and an asymmetrical cruising spinnaker in ATN sock.
• Six cockpit Barient self-tailing winches.
• Two stainless steel Anderson deck winches. Hoist sails as well.
• The 316 SS dye form rigging has all mechanical terminals
• All new rigging wires, terminals and rigging screws in 2016.
• 82 hp Westerbeke
• 4 cylinder naturally aspirated diesel engine was completely rebuilt 1200 hours ago (cylinder liners, pistons, rings, valves, guides, crankshaft bearings, injection pump, engine mounts, hoses)
• The engine is easily accessible from three sides.
• Swedish Aquadrive CVA propeller shaft coupling for alignment independence and noise reduction.
• 1 1/2” Aquamet SS shaft
• Dripless shaft seal
• 24” 3 bladed Max prop
• 1:3 Hurth reduction gear
• Dual Racor fuel pre-filters with instant switch-over separate for engine and generator.

Ground Tackle

• Maxwell 3500 vertical windlass/capstan
• Remote control from the cockpit with fluxgate chain counter
• Also separate control from the foredeck.
• 95 lb Rocna primary on 300 ft 7/16 HT Acco galvanized chain led under deck 7 feet aft where it falls into a self storing locker.
• Double SS bow roller.
• 75 lb CQR anchor (back-up under deck)
• 100 lb 3-part Luke anchor (stored in midship bilge)
• 30 lb Fortress Danforth type ALU ketch anchor
• Two 300 ft anchor lines with chain lead and one 300 ft towing line are stored inside.
• Anchor wash-down outlet is built into the foredeck to plug in hose with spray tip
• Edson cable steering (new cable in 2018) through greased conduits to massive bronze quadrant
• Separate quadrant for Raymarine ACU400 hydraulic autopilot, p70Rs controller, wireless remote 2020
• Monitor 316 SS wind vane
• Two 100 gallon aluminum VDO gauged diesel fuel tanks
• Two 90 gallon 316 SS VDO gauged water tanks
• Six gallon AC/engine water heater (new 2013)
• 25gal/hr Sea Recovery watermaker, located in workshop
• One bronze Skipper II Wilcox-Crittenden/Thetford marine head forward and one Raritan electric marine head aft, both with outboard/waste tank switches.
• 12 gallon holding waste tank
• Fore and aft cabin showers with teak gratings and sump pumps
• Cockpit shower
• Galley and both head faucets are all single handle action, brushed nickel finish with matching built-in soap dispensers.
• Two electric bilge pumps and two manual pumps (Edson gallon/stroke and Henderson from cockpit)
• 8kW Generator (2011 Mase-Yanmar) with 50 amp alternator
• Bass digital electric panel
• 600 amp hrs AGM house battery (2019)
• 100 amp hr AGM starter battery (2020)
• Dual 160 amp and 90 amp engine alternators, external regulation
• 2500 watt Heart inverter/charger (60Hz – 50Hz pigtail) 100 amp
• 40 amp 110/220 V 50-60Hz Victron battery charger (2019). Both chargers can run simultaneously.
•  5 kW isolation transformer with switched 20% voltage booster allows dual 110/220V US/Int use.
• Single inlet 50 amp land connection
• Two 50’ shore cables with various US/Int pigtails
• 110 V GFI outlets throughout the boat
• The boat is green-ground isolated.
• Mast and interior lights are latest LED
• GPSNAV 742 MFD, Garmin type 3 charts, wifi to I-pad remote display
• PC navigation system with built-in screen.
• All electronics are integrated into the computer system and displayed on the screen. Worldwide electronic chart navigation
• Vesper 8000 AIS transponder integrated into nav system, with wifi that brings AIS to IPad display using Navionics Boating program.
• ICOM M-422 VHF with remote mic
• Icom M802 SSB with ground plane glassed into hull
• SCS Pactor III modem (Pinoak)
• NMEA 2000 network
• Latest NMEA2000, USB , Seatalk 1 multiplexer
• Furuno 1761 open array radar; the screen can also be placed outside under dodger
• Raymarine ST60+ wind, speed, depth, multiline cockpit displays
• Latest amplified wifi antenna system
• Raymarine Lifetag man overboard alarm system

Walk-In Workshop

• 2” thick hardwood/plywood counter with a stainless steel striker plate
• 6” x 9” metal lathe
• Drill press Grinder/belt sander
• Large and small vice
• Storage shelves, multiple roller drawers and swing-out shelf unit with storage bins.
• Commonly used hand tools are securely fastened to a pegboard wall.
• Multiple 110V, 220V, 12V outlets
• Compressed air outlet
• Cooling fan

Interior Features

Nav Station/Office

• Large chart table with double-hinged lid
• Lowered keyboard
• Three large roller drawers and book shelf
• Curved backrest on the side for comfortable position when heeling. Main Salon and Two Staterooms
• Semi-gloss varnished cherry interior with high gloss accents
• Solid teak and holly locked floorboards
• Ultrasuede dusky blue upholstery, replaced 2012
• Salon table has two large hinged wings and seats 6-8. A center console has storage lockers and cabinet for glasses.
• Chromed brass wall clock and barometer
• Built-in entertainment center contains an enclosed flatscreen TV, DVD player.
• Stereo bluetooth and SAT radio with CD player
• Interior and waterproof cockpit speakers
• Bookshelves, multiple large louvered lockers for provisions etc. and two chart-sized drawers are located behind settee.
• Inset ceiling and swivel lights are latest LED upgrade.
• Salon has a convertible double bed to port and a pull-out single bunk starboard, with lee sails on both sides.
• Aft stateroom has a queen-size bed accessible from both sides, with night tables and generous storage space including full length hanging lockers on both sides.
• Full length mirror on door.
• The bed has lee sails and can be divided using the removable headboard for offshore use.
• Walk-in shower with seat. Separate Raritan electrical head and Corian counter with integrated sink.
• Forward stateroom has an extendable double bed below and a single bunk above. Ample storage, hanging locker and full length mirror on door. Sink with Corian counter opposite bunks. Separate head with shower is forward.

Gourmet Galley

• Walk-through galley with Corian counters
• Latest model SS Force 10 gimbaled propane stove has a 3-burner cooktop and an oven/ broiler with thermostat.
• Tappan microwave is mounted above the stove.
• Top-loading fridge has 14 cu ft capacity, SS holding plate with a BD35F Danfoss compressor. Remote temp displays.
• Freezer has 8 cu ft capacity with a BD50F Danfoss compressor and wrap-around stainless steel covered evaporators.
• Fridge and freezer are both 12 V/110 V auto switch and have 8”-24” PUR insulation. Fresh water cooled from the port tank, they can be operated while on the hard.
• SodaStream water and wine carbonator connects with a 20lbs alu CO2 tank in the bilge.
• Stainless steel double sink has brushed nickel single-handle extendable faucet and matching soap dispenser.
• Multiple large cupboards and three roller drawers
• Varnished cherry spice rack, cup holder and paper towel rack
• Built-in magnetic knife holder is located inside cupboard.
• Trash bin locker
• Dustbin with teak grating is built into the galley floor.
• Two double outlets for standard 110 V kitchen appliances.
• Remote propane shut off and gas sniffer. Manual bypass in gas locker.
• Air conditioning/heat pump 16000 BTU (220V 60 – 50 Hz).
• 4 Person RFD Life raft with insulated floor.
• Espar D5L diesel heater (2015) located in aft lazarette with outlets thru-out the boat.
• Splendide combo washer/dryer is enclosed in its own locker in the galley.
• Sailmaker electric/manual sewing machine is custom fitted into a settee locker.
• Bauer Junior II diving compressor is built into the focsle; two alu dive bottles with wall attachment.
• Compressed air feed to the workshop and to aft deck hookah outlet, for bottom cleaning and maintenance.
• Large spare part inventory.

Customizations for World Cruising

• Roller furling of all sails
• Changed back from triple head sails to cutter rig.
• Cockpit hard dodger–Changed the soft bimini to a hardtop with articulated, fold-down side panels for complete weather protection
• SS handrails
• Two 140 Watt solar panels on top.
• Foldable mast steps for easy access to mast top
• 100 lb Rocna anchor on bow roller
• 7/16 HT chain, no swivel
• 3500 Maxwell electric vertical windlass page
• Cockpit table with hinged side wings and unique solution, allowing for a table long enough to seat four comfortably.
• Radar arch with electric crane to lift and launch a rigid inflatable dinghy with 15 HP outboard from chocks on the aft deck.
• Access to forepeak via watertight door.
• Modified chain locker, moving chain further aft for better self stowing and saving 700 ft/lb. Stowing 300 ft 7/16 HT chain
• Large walk-in workshop including vice, lathe, drill press, grinder, belt sander; optimized tool storage.
• Electric Bauer Junior diving compressor located in the forepeak, with compressed air to dive bottles as well as throughout the boat; stern outlet for hookah connection for hull cleaning etc. around the boat.
• 3500 Watt Inverter; 110/220 volt isolation transformer system with 20% booster for use worldwide; 50/60 cycle issue resolution.
• Monitor windvane with spectra lines leading to the steering wheel.
• Three-fold SS and teak swim ladder converts to a passerel.
• KISS wind generator with pole that folds down for clearing smaller travel lifts.
• 8 kw diesel generator being installed in the aft locker.
• Simple, highly effective SS fishing reel
• Combo washer/dryer in locker next to the galley
• 25 gal/hr Sea Recovery watermaker located in workshop
• Electronic PC navigation, large screen
• AIS transponder with separate display
• Computer integrated SSB and modem for e-mail and grib weather files
• Electronic 3-day data storing barometer
• SeaTalk GPS and Garmin backup GPS all integrated with the instruments into the computer nav system
• Nav seat side, comfortable to lean against when heeling
• Companionway with step wedges, for ease of stair climbing when the boat heels.
• SodaStream water carbonator, also useful for making champagne from wine! Since CO2 cartridges come in different sizes worldwide and are difficult to import, we installed a CO2 tank in the bilge with hose attachment to the carbonator.

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

For additional information, please contact Annie Lannigan at 941.374.3742

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ALDEN 50 Detailed Review

If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of ALDEN 50. Built by Alden Yachts (USA) and designed by Niels Helleberg, the boat was first built in 1996. It has a hull type of Keel/Cbrd. and LOA is 15.34. Its sail area/displacement ratio 15.52. Its auxiliary power tank, manufactured by Westerbeke, runs on Diesel.

ALDEN 50 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about ALDEN 50 and decide if it is a fit for your boating needs.

Boat Information

Boat specifications, sail boat calculation, rig and sail specs, auxillary power tank, accomodations, contributions, who designed the alden 50.

ALDEN 50 was designed by Niels Helleberg.

Who builds ALDEN 50?

ALDEN 50 is built by Alden Yachts (USA).

When was ALDEN 50 first built?

ALDEN 50 was first built in 1996.

How long is ALDEN 50?

ALDEN 50 is 11.3 m in length.

What is mast height on ALDEN 50?

ALDEN 50 has a mast height of 15.7 m.

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