Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Masthead Sloop
LOA: 7.90 m
LWL: 6.61 m
S.A. (reported): 30.57 m²
Beam: 2.74 m
Displacement: 1,837 kg
Ballast: 703 kg
Max Draft: 1.52 m
Construction: FG
First Built: 1979
Last Built: 1987
# Built: 17
Builder: S2 Yachts
Designer: Graham & Schlageter

Sailboat Calculations

Definitions
S.A. / Displ.: 20.78
Bal. / Displ.: 38.27
Disp: / Len: 177.68
Comfort Ratio: 14.61
Capsize Screening Formula: 2.26
S#: 3.60
Hull Speed: 6.24 kn
Pounds/Inch Immersion: 696.86 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 10.36 m
J: 3.05 m
P: 8.97 m
E: 3.73 m
S.A. Fore: 15.79 m²
S.A. Main: 16.74 m²
S.A. Total (100% Fore + Main Triangles): 32.53 m²
S.A./Displ. (calc.): 22.11
Est. Forestay Length: 10.80 m

Sailboat Links

Builders: S2 Yachts (USA)
Download Boat Record:

Notes

A somewhat rare variant of the S2 7.9 with a fixed keel and masthead rig.