Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/Cbrd.
Rigging Type: Fractional Sloop
LOA: 24.39 ft / 7.43 m
LWL: 20.05 ft / 6.11 m
S.A. (reported): 261.00 ft² / 24.25 m²
Beam: 8.00 ft / 2.44 m
Displacement: 3,000.00 lb / 1,361 kg
Ballast: 1,000.00 lb / 454 kg
Max Draft: 4.50 ft / 1.37 m
Min Draft: 2.50 ft / 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

Sailboat Calculations

Definitions
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

HELP
I: 25.50 ft / 7.77 m
J: 8.50 ft / 2.59 m
P: 26.50 ft / 8.08 m
E: 11.50 ft / 3.51 m
S.A. Fore: 108.38 ft² / 10.07 m²
S.A. Main: 152.38 ft² / 14.16 m²
S.A. Total (100% Fore + Main Triangles): 260.76 ft² / 24.23 m²
S.A./Displ. (calc.): 20.11
Est. Forestay Length: 26.88 ft / 8.19 m

Sailboat Links

Designers: C. William Lapworth
Builders: Jensen Marine/Cal Boats
Download Boat Record:

Notes

The first 'Cal' boat produced by Jensen Marine. Thanks to Roy Cundiff for providing the photo (taken by Michelle Kringen) of his boat.