Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 7.62 m
LWL: 6.10 m
S.A. (reported): 26.57 m²
Beam: 2.44 m
Displacement: 1,814 kg
Ballast: 771 kg
Max Draft: 1.22 m
Construction: Fiberglass
Ballast Type: Lead
First Built: 1965
Last Built: 1976
# Built: 1848
Builder: Jensen Marine (USA)
Designer: C. William Lapworth

Auxiliary Power/Tanks (orig. equip.)

Make: OB

Sailboat Calculations

Definitions
S.A. / Displ.: 18.21
Bal. / Displ.: 42.50
Disp: / Len: 223.21
Comfort Ratio: 18.01
Capsize Screening Formula: 2.02
S#: 2.57
Hull Speed: 5.99 kn
Pounds/Inch Immersion: 571.70 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 9.08 m
J: 3.05 m
P: 7.62 m
E: 3.35 m
S.A. Fore: 13.84 m²
S.A. Main: 12.77 m²
S.A. Total (100% Fore + Main Triangles): 26.62 m²
S.A./Displ. (calc.): 18.24
Est. Forestay Length: 9.58 m

Sailboat Links

Notes

Flush deck with 'pop top' companionway. One of the most popular CAL models.
A completely different design from the later Cal 2-25.
Photo courtesy of Adam Hunt.