CONTROVERSY 31

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 31.00 ft / 9.45 m
LWL: 26.67 ft / 8.13 m
S.A. (reported): 405.00 ft² / 37.63 m²
Beam: 5.42 ft / 1.65 m
Displacement: 7,000.00 lb / 3,175 kg
Max Draft: 5.25 ft / 1.60 m
Construction: Wood
First Built: 1960
Builder: Mount Desert Yacht Yard (USA)
Designer: E. F. Butler

Sailboat Calculations

Definitions
S.A. / Displ.: 17.76
Disp: / Len: 164.73
Comfort Ratio: 40.67
Capsize Screening Formula: 1.14
S#: 3.26
Hull Speed: 6.92 kn
Pounds/Inch Immersion: 516.50 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 34.75 ft / 10.59 m
J: 10.75 ft / 3.28 m
P: 31.13 ft / 9.49 m
E: 14.00 ft / 4.27 m
S.A. Fore: 186.78 ft² / 17.35 m²
S.A. Main: 217.91 ft² / 20.24 m²
S.A. Total (100% Fore + Main Triangles): 404.69 ft² / 37.60 m²
S.A./Displ. (calc.): 17.75
Est. Forestay Length: 36.37 ft / 11.09 m

Sailboat Links

Designers: Cyrus Hamlin
E. Farnham Butler
Builders: Mount Desert Yacht Yard
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