Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 10.62 m
LWL: 8.38 m
S.A. (reported): 46.27 m²
Beam: 3.25 m
Displacement: 4,259 kg
Max Draft: 1.78 m
Construction: FG
First Built: 1974
Builder: AA Boats (FIN)
Designer: Sparkman & Stephens

Sailboat Calculations

Definitions
S.A. / Displ.: 17.96
Disp: / Len: 201.57
Comfort Ratio: 20.87
Capsize Screening Formula: 2.03
S#: 2.80
Hull Speed: 7.03 kn
Pounds/Inch Immersion: 1,048.44 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 13.26 m
J: 4.11 m
P: 11.89 m
E: 3.20 m
S.A. Fore: 27.28 m²
S.A. Main: 19.02 m²
S.A. Total (100% Fore + Main Triangles): 46.30 m²
S.A./Displ. (calc.): 17.98
Est. Forestay Length: 13.88 m

Sailboat Links

Designers: Sparkman & Stephens
Associations: IOR 3/4 ton
Download Boat Record:

Notes

From an IOR 3/4 ton prototype. (S&S #2227)
Not built in great numbers. (<10?)