Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 8.53 m
LWL: 7.32 m
S.A. (reported): 34.47 m²
Beam: 3.05 m
Displacement: 2,994 kg
Ballast: 1,361 kg
Max Draft: 1.62 m
Construction: FG
First Built: 1972
Last Built: 1974
# Built: 8
Builder: Bristol Yachts Inc. (USA)
Designer: Halsey Herreshoff

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Sailboat Calculations

S.A. / Displ.: 16.92
Bal. / Displ.: 45.45
Disp: / Len: 213.14
Comfort Ratio: 18.85
Capsize Screening Formula: 2.14
S#: 2.54
Hull Speed: 6.56 kn
Pounds/Inch Immersion: 857.55 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.43 m
J: 3.51 m
P: 9.45 m
E: 3.05 m
S.A. Fore: 20.03 m²
S.A. Main: 14.40 m²
S.A. Total (100% Fore + Main Triangles): 34.43 m²
S.A./Displ. (calc.): 16.91
Est. Forestay Length: 11.95 m

Sailboat Links

Designers: Halsey Herreshoff
Builders: Bristol Yachts
Associations: Half Ton Class
Related Sailboats: BRISTOL 29.9
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An earlier, racing version (IOR Half Ton) of the BRISTOL 29.9 with less stern overhang.