Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 25.00 ft
LWL: 20.10 ft
S.A. (reported): 256.00 ft²
Beam: 8.00 ft
Displacement: 4,660.00 lb
Ballast: 1,980.00 lb
Max Draft: 2.75 ft
Construction: FG/Wood
First Built: 1975
Designer: Bruce Roberts

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Sailboat Calculations

S.A. / Displ.: 14.72
Bal. / Displ.: 42.49
Disp: / Len: 256.18
Comfort Ratio: 20.92
Capsize Screening Formula: 1.92
S#: 1.90
Hull Speed: 6.01 kn
Pounds/Inch Immersion: 574.56 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 28.10 ft
J: 10.00 ft
P: 24.10 ft
E: 9.60 ft
S.A. Fore: 140.50 ft²
S.A. Main: 115.68 ft²
S.A. Total (100% Fore + Main Triangles): 256.18 ft²
S.A./Displ. (calc.): 14.73
Est. Forestay Length: 29.83 ft

Sailboat Links

Designers: Bruce Roberts
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One of most popular of the designers plans. It is said that more than 1000 have been built.