Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 25.00 ft
LWL: 20.17 ft
S.A. (reported): 256.00 ft²
Beam: 8.00 ft
Displacement: 4,400.00 lb
Ballast: 1,800.00 lb
Max Draft: 3.92 ft
Construction: FG
First Built: 1972
Last Built: 1983
Builder: Hunter Marine (USA)
Designer: John Cherubini/Bob Seidelmann

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

S.A. / Displ.: 15.30
Bal. / Displ.: 40.91
Disp: / Len: 239.38
Comfort Ratio: 19.71
Capsize Screening Formula: 1.96
S#: 2.11
Hull Speed: 6.02 kn
Pounds/Inch Immersion: 576.56 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 30.00 ft
J: 10.50 ft
P: 24.79 ft
E: 8.00 ft
S.A. Fore: 157.50 ft²
S.A. Main: 99.16 ft²
S.A. Total (100% Fore + Main Triangles): 256.66 ft²
S.A./Displ. (calc.): 15.34
Est. Forestay Length: 31.78 ft
Mast Height from DWL: 34.08 ft

Sailboat Links

Designers: J. Robert Seidelmann
John Cherubini
Builders: Hunter Marine (USA)
Products: Sailboat Trailers
The Sail Warehouse
Download Boat Record:


This is said to be the first sailboat built by Hunter Marine (USA).
Shoal draft version: 2.92'/0.89m