Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 25.00 ft / 7.62 m
LWL: 20.10 ft / 6.13 m
S.A. (reported): 256.00 ft² / 23.78 m²
Beam: 8.00 ft / 2.44 m
Displacement: 4,660.00 lb / 2,114 kg
Ballast: 1,980.00 lb / 898 kg
Max Draft: 2.75 ft / 0.84 m
Construction: FG/Wood
First Built: 1975
Designer: Bruce Roberts

Sailboat Calculations

Definitions
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

HELP
I: 28.10 ft / 8.56 m
J: 10.00 ft / 3.05 m
P: 24.10 ft / 7.35 m
E: 9.60 ft / 2.93 m
S.A. Fore: 140.50 ft² / 13.05 m²
S.A. Main: 115.68 ft² / 10.75 m²
S.A. Total (100% Fore + Main Triangles): 256.18 ft² / 23.80 m²
S.A./Displ. (calc.): 14.73
Est. Forestay Length: 29.83 ft / 9.09 m

Sailboat Links

Designers: Bruce Roberts
Download Boat Record:

Notes

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