Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Ketch
LOA: 26.94 ft
LWL: 22.81 ft
S.A. (reported): 454.00 ft²
Beam: 8.00 ft
Displacement: 10,500.00 lb
Ballast: 2,800.00 lb
Max Draft: 3.50 ft
Construction: various
First Built: 1942
Designer: L. Francis Herreshoff

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

S.A. / Displ.: 15.20
Bal. / Displ.: 26.67
Disp: / Len: 394.97
Comfort Ratio: 42.27
Capsize Screening Formula: 1.46
S#: 1.06
Hull Speed: 6.40 kn
Pounds/Inch Immersion: 652.02 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 35.30 ft
J: 13.50 ft
P: 32.00 ft
E: 13.50 ft
S.A. Fore: 238.28 ft²
S.A. Main: 216.00 ft²
S.A. Total (100% Fore + Main Triangles): 454.28 ft²
S.A./Displ. (calc.): 15.21
Est. Forestay Length: 37.79 ft


Sloop or Ketch.
Some builders of this design, or it's variants include:

Compass Yachts Ltd. (NZ) 1970-1984 FG (modified by John Lidgard)
Far East Boats Ltd.(Japan)
International Marine (Japan)
Cheoy Lee Shipyard (Hong Kong) BERMUDA 30
Walker Boat Co Ltd.(AUS)
Parkins Marine - Ft. Lauderdale, FL (USA)
Middleton Marine - La Crosse, FL (USA)
Gallart Shipyard (ESP)