Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 10.97 m
LWL: 8.53 m
S.A. (reported): 55.18 m²
Beam: 3.51 m
Displacement: 5,625 kg
Ballast: 2,341 kg
Max Draft: 1.85 m
Construction: FG
First Built: 1983
Builder: Sigma Yachts (UK)
Designer: David Thomas

Sailboat Calculations

Definitions
S.A. / Displ.: 17.80
Bal. / Displ.: 41.61
Disp: / Len: 252.17
Comfort Ratio: 24.37
Capsize Screening Formula: 1.99
S#: 2.23
Hull Speed: 7.09 kn
Pounds/Inch Immersion: 1,150.54 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 14.50 m
J: 4.06 m
P: 12.52 m
E: 4.11 m
S.A. Fore: 29.46 m²
S.A. Main: 25.76 m²
S.A. Total (100% Fore + Main Triangles): 55.22 m²
S.A./Displ. (calc.): 17.81
Est. Forestay Length: 15.06 m

Sailboat Links

Designers: David Thomas
Download Boat Record:

Notes

The same hull as the earlier SIGMA 36 but with entirely new deck and interior.
Shoal draft: 5.08'.
Also available with fractional rig.