Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Masthead Sloop
LOA: 25.50 ft / 7.77 m
LWL: 22.27 ft / 6.79 m
S.A. (reported): 326.00 ft² / 30.29 m²
Beam: 9.00 ft / 2.74 m
Displacement: 4,200.00 lb / 1,905 kg
Ballast: 1,400.00 lb / 635 kg
Max Draft: 4.40 ft / 1.34 m
Construction: FG
Ballast Type: Lead
First Built: 1981
Builder: Formula Yachts (USA)
Designer: Bob Evelyn

Sailboat Calculations

Definitions
S.A. / Displ.: 20.09
Bal. / Displ.: 33.33
Disp: / Len: 169.76
Comfort Ratio: 14.96
Capsize Screening Formula: 2.23
S#: 3.54
Hull Speed: 6.32 kn
Pounds/Inch Immersion: 716.16 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 33.50 ft / 10.21 m
J: 11.00 ft / 3.35 m
P: 27.00 ft / 8.23 m
E: 11.00 ft / 3.35 m
S.A. Fore: 184.25 ft² / 17.12 m²
S.A. Main: 148.50 ft² / 13.80 m²
S.A. Total (100% Fore + Main Triangles): 332.75 ft² / 30.91 m²
S.A./Displ. (calc.): 20.51
Est. Forestay Length: 35.26 ft / 10.75 m

Sailboat Links

Designers: Robert Evelyn
Builders: Formula Yachts (USA)
Download Boat Record:

Notes

Prototype was 'Prophet', winner of MORC Internationals of 1981.