Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 30.07 ft / 9.17 m
LWL: 26.31 ft / 8.02 m
S.A. (reported): 474.00 ft² / 44.04 m²
Beam: 10.17 ft / 3.10 m
Displacement: 10,500.00 lb / 4,763 kg
Ballast: 5,000.00 lb / 2,268 kg
Max Draft: 5.50 ft / 1.68 m
Construction: FG
First Built: 1973
Last Built: 1974
# Built: 135
Builder: Jensen Marine (USA)
Designer: William Lapworth

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
Fuel: 20 gals / 76 L

Accomodations

Water: 20 gals / 76 L

Sailboat Calculations

Definitions
S.A. / Displ.: 15.87
Bal. / Displ.: 47.62
Disp: / Len: 257.38
Comfort Ratio: 26.93
Capsize Screening Formula: 1.86
S#: 2.00
Hull Speed: 6.87 kn
Pounds/Inch Immersion: 956.07 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 41.50 ft / 12.65 m
J: 13.50 ft / 4.11 m
P: 34.10 ft / 10.39 m
E: 11.40 ft / 3.47 m
S.A. Fore: 280.13 ft² / 26.02 m²
S.A. Main: 194.37 ft² / 18.06 m²
S.A. Total (100% Fore + Main Triangles): 474.50 ft² / 44.08 m²
S.A./Displ. (calc.): 15.89
Est. Forestay Length: 43.64 ft / 13.30 m

Sailboat Links

Designers: C. William Lapworth
Builders: Bangor Punta Corp.
Jensen Marine/Cal Boats
Associations: IOR 3/4 ton
Download Boat Record:

Notes

Designed as an IOR 3/4 ton racer. (24.5')