Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 36.00 ft
LWL: 28.00 ft
S.A. (reported): 594.00 ft²
Beam: 11.50 ft
Displacement: 12,400.00 lb
Ballast: 5,160.00 lb
Max Draft: 6.08 ft
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: 47.58 ft
J: 13.33 ft
P: 41.08 ft
E: 13.50 ft
S.A. Fore: 317.12 ft²
S.A. Main: 277.29 ft²
S.A. Total (100% Fore + Main Triangles): 594.41 ft²
S.A./Displ. (calc.): 17.81
Est. Forestay Length: 49.41 ft

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.