Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/CB & spade rudder
Rigging Type: Cutter
LOA: 7.72 m
LWL: 6.65 m
S.A. (reported): 36.79 m²
Beam: 3.15 m
Displacement: 3,175 kg
Ballast: 907 kg
Max Draft: 2.03 m
Min Draft: 0.84 m
Construction: FG
First Built: 1975
Last Built: 1982
Builder: Irwin Yacht & Marine Corporation (USA)
Designer: Ted Irwin

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Sailboat Calculations

Definitions
S.A. / Displ.: 17.37
Bal. / Displ.: 28.57
Disp: / Len: 300.39
Comfort Ratio: 21.09
Capsize Screening Formula: 2.16
S#: 1.77
Hull Speed: 6.26 kn
Pounds/Inch Immersion: 805.75 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

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I: 10.67 m
J: 3.66 m
P: 9.19 m
E: 3.73 m
S.A. Fore: 19.51 m²
S.A. Main: 17.16 m²
S.A. Total (100% Fore + Main Triangles): 36.67 m²
S.A./Displ. (calc.): 17.31
Est. Forestay Length: 11.28 m

Sailboat Links

Designers: Ted Irwin
Walter Scott
Builders: Irwin Yachts
Associations: Irwin Facebook Group
Irwin Yacht Owners
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