Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Keel/Cbrd.
Rigging Type: Masthead Sloop
LOA: 50.33 ft
LWL: 37.08 ft
S.A. (reported): 1,092.00 ft²
Beam: 13.50 ft
Displacement: 38,000.00 lb
Ballast: 16,300.00 lb
Max Draft: 10.33 ft
Min Draft: 5.50 ft
Construction: FG
Ballast Type: Lead
First Built: 1996
Last Built: 1998
# Built: 3
Builder: Alden Yachts Inc. (USA)
Designer: Alden Yachts

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Westerbeke
Type: Diesel
HP: 70
Fuel: 150 gals


Water: 170 gals

Sailboat Calculations

S.A. / Displ.: 15.52
Bal. / Displ.: 42.89
Disp: / Len: 332.75
Comfort Ratio: 44.68
Capsize Screening Formula: 1.61
S#: 1.41
Hull Speed: 8.16 kn
Pounds/Inch Immersion: 1,788.63 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 59.80 ft
J: 19.30 ft
P: 51.50 ft
E: 20.00 ft
S.A. Fore: 577.07 ft²
S.A. Main: 515.00 ft²
S.A. Total (100% Fore + Main Triangles): 1,092.07 ft²
S.A./Displ. (calc.): 15.52
Est. Forestay Length: 62.84 ft

Sailboat Links

Designers: Niels Helleberg
Builders: Alden Yachts (USA)
Related Sailboats: ALDEN 54
Download Boat Record:


Alden design #1180x. (ALDEN 50/52/54). Of this series, the ALDEN 50 was the first boat planned and the last built.
Not to be confused with another ALDEN 50 built by Cheoy Lee, a much earlier design.
See ALDEN 54 (1985).