Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 12.50 m
LWL: 10.16 m
S.A. (reported): 77.20 m²
Beam: 3.71 m
Displacement: 8,618 kg
Max Draft: 1.83 m
Construction: FG
First Built: 1982
Designer: David Thomas

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Sailboat Calculations

S.A. / Displ.: 18.74
Disp: / Len: 229.09
Comfort Ratio: 29.55
Capsize Screening Formula: 1.83
S#: 2.56
Hull Speed: 7.74 kn
Pounds/Inch Immersion: 1,449.35 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 16.92 m
J: 4.66 m
P: 15.03 m
E: 5.03 m
S.A. Fore: 39.44 m²
S.A. Main: 37.79 m²
S.A. Total (100% Fore + Main Triangles): 77.23 m²
S.A./Displ. (calc.): 18.75
Est. Forestay Length: 17.55 m

Sailboat Links

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Dimensions for tall rig.
Fractional Sloop and Winged keel versions also available.
See SIGMA 41 for more details.