Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Keel/Cbrd.
Rigging Type: Fractional Sloop
LOA: 7.43 m
LWL: 6.11 m
S.A. (reported): 24.25 m²
Beam: 2.44 m
Displacement: 1,361 kg
Ballast: 454 kg
Max Draft: 1.37 m
Min Draft: 0.76 m
Construction: FG
Ballast Type: Lead w/ steel cb
First Built: 1958
Last Built: 1965
# Built: 184
Builder: Jensen Marine (USA)
Designer: Bill Lapworth

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Sailboat Calculations

S.A. / Displ.: 20.13
Bal. / Displ.: 33.33
Disp: / Len: 166.16
Comfort Ratio: 13.60
Capsize Screening Formula: 2.22
S#: 3.54
Hull Speed: 6.00 kn
Pounds/Inch Immersion: 573.13 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 7.77 m
J: 2.59 m
P: 8.08 m
E: 3.51 m
S.A. Fore: 10.07 m²
S.A. Main: 14.16 m²
S.A. Total (100% Fore + Main Triangles): 24.23 m²
S.A./Displ. (calc.): 20.11
Est. Forestay Length: 8.19 m

Sailboat Links

Designers: C. William Lapworth
Builders: Jensen Marine/Cal Boats
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The first 'Cal' boat produced by Jensen Marine. Thanks to Roy Cundiff for providing the photo (taken by Michelle Kringen) of his boat.