Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
LOA: 30.92 ft
LWL: 23.92 ft
Beam: 10.42 ft
Displacement: 11,400.00 lb
Ballast: 4,500.00 lb
Max Draft: 4.92 ft
Construction: FG
First Built: 1977
Last Built: 1982
Designer: Bruce King

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Type: Diesel
HP: 16
Fuel: 35 gals


Water: 45 gals
Headroom: 6.08 ft

Sailboat Calculations

Bal. / Displ.: 39.47
Disp: / Len: 371.85
Comfort Ratio: 29.85
Capsize Screening Formula: 1.86
S#: 1.13
Hull Speed: 6.55 kn
Pounds/Inch Immersion: 890.58 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 38.30 ft
J: 12.90 ft
P: 32.50 ft
E: 12.90 ft
S.A. Fore: 247.04 ft²
S.A. Main: 209.63 ft²
S.A. Total (100% Fore + Main Triangles): 456.67 ft²
S.A./Displ. (calc.): 14.48
Est. Forestay Length: 40.41 ft

Sailboat Links

Designers: Bruce King
Related Sailboats: ERICSON 31 INDEPENDENCE
Download Boat Record:


Also known as the ERICSON 31 INDEPENDENCE and LIBERTY 31 built by Squadron Yachts (USA).
Also available with a cutter rig. J = 15ft.