Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 24.00 ft
LWL: 19.50 ft
S.A. (reported): 246.00 ft²
Beam: 8.00 ft
Displacement: 3,200.00 lb
Ballast: 1,650.00 lb
Max Draft: 4.00 ft
Construction: FG
Ballast Type: Lead
First Built: 1973
# Built: 1200
Builder: Clark Boat Co. (USA)
Designer: Bruce Kirby

Sailboat Calculations

Definitions
S.A. / Displ.: 18.17
Bal. / Displ.: 51.56
Disp: / Len: 192.66
Comfort Ratio: 14.86
Capsize Screening Formula: 2.17
S#: 2.94
Hull Speed: 5.92 kn
Pounds/Inch Immersion: 557.41 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 30.00 ft
J: 9.50 ft
P: 26.00 ft
E: 8.00 ft
S.A. Fore: 142.50 ft²
S.A. Main: 104.00 ft²
S.A. Total (100% Fore + Main Triangles): 246.50 ft²
S.A./Displ. (calc.): 18.21
Est. Forestay Length: 31.47 ft

Sailboat Links

Designers: Bruce Kirby
Builders: Clark Boat Company
Associations: Quarter Ton Class
Download Boat Record:

Notes

From IOR 1/4 ton prototype.