Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/Cbrd.
Rigging Type: Fractional Sloop
LOA: 18.04 ft
LWL: 15.26 ft
S.A. (reported): 172.00 ft²
Beam: 6.30 ft
Displacement: 1,235.00 lb
Ballast: 331.00 lb
Max Draft: 3.25 ft
Min Draft: 1.75 ft
Construction: Plywood/FG
First Built: 1954
Builder: chantier naval Amiguet (FRA)
Designer: Jean-Jacques Herbulot

Sailboat Calculations

Definitions
S.A. / Displ.: 23.95
Bal. / Displ.: 26.80
Disp: / Len: 155.15
Comfort Ratio: 10.21
Capsize Screening Formula: 2.35
S#: 4.15
Hull Speed: 5.23 kn
Pounds/Inch Immersion: 343.51 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 18.50 ft
J: 7.12 ft
P: 21.82 ft
E: 9.48 ft
SPL/TPS: 7.87 ft
ISP: 19.00 ft
S.A. Fore: 65.86 ft²
S.A. Main: 103.43 ft²
S.A. Total (100% Fore + Main Triangles): 169.29 ft²
S.A./Displ. (calc.): 23.58
Est. Forestay Length: 19.82 ft

Sailboat Links

Designers: Jean-Jacques Herbulot
Associations: Corsaire Class
Micro Class (IMCCA)
Download Boat Record:

Notes

Designed for amateur builder using plywood. Comprehensive 'Contsruction Guide' available.
A fiberglass version was introduced (overseen by the designer) in 1972.