Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 34.85 ft
LWL: 27.50 ft
S.A. (reported): 498.00 ft²
Beam: 10.67 ft
Displacement: 9,390.00 lb
Max Draft: 5.83 ft
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: 43.50 ft
J: 13.50 ft
P: 39.00 ft
E: 10.50 ft
S.A. Fore: 293.63 ft²
S.A. Main: 204.75 ft²
S.A. Total (100% Fore + Main Triangles): 498.38 ft²
S.A./Displ. (calc.): 17.98
Est. Forestay Length: 45.55 ft

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?)