Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 7.70 m
LWL: 6.71 m
S.A. (reported): 29.17 m²
Beam: 2.74 m
Displacement: 2,041 kg
Ballast: 907 kg
Max Draft: 1.37 m
Construction: FG
First Built: 1977
Last Built: 1983
# Built: 392
Builder: Bangor Punta Marine (USA)
Designer: C. William Lapworth

KLSC Leaderboard

KLSC Leaderboard


Water: 79 L

Sailboat Calculations

S.A. / Displ.: 18.48
Bal. / Displ.: 44.44
Disp: / Len: 188.67
Comfort Ratio: 16.21
Capsize Screening Formula: 2.18
S#: 3.03
Hull Speed: 6.29 kn
Pounds/Inch Immersion: 707.48 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 10.06 m
J: 3.35 m
P: 8.53 m
E: 2.90 m
S.A. Fore: 16.86 m²
S.A. Main: 12.36 m²
S.A. Total (100% Fore + Main Triangles): 29.22 m²
S.A./Displ. (calc.): 18.51
Est. Forestay Length: 10.60 m

Sailboat Links

Designers: C. William Lapworth
Builders: Bangor Punta Corp.
Jensen Marine/Cal Boats
Products: The Sail Warehouse
Download Boat Record:


Sometimes referred to as CAL 25-2 or CAL 25 MKII.
This second version of the CAL 25 with it's trunk cabin, is a completely different design from the earlier model. A Universal 11 HP Diesel was offered as an option. Thanks to 2-25 owner Rick Shepler for providing updated information.
Another version under license was built and sold in Brazil as the MARTINIQUE 25.
Shoal draft: 3.5'.