Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Masthead Sloop
LOA: 25.92 ft
LWL: 21.67 ft
S.A. (reported): 329.00 ft²
Beam: 9.00 ft
Displacement: 4,050.00 lb
Ballast: 1,550.00 lb
Max Draft: 5.00 ft
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: 34.00 ft
J: 10.00 ft
P: 29.42 ft
E: 12.25 ft
S.A. Fore: 170.00 ft²
S.A. Main: 180.20 ft²
S.A. Total (100% Fore + Main Triangles): 350.20 ft²
S.A./Displ. (calc.): 22.11
Est. Forestay Length: 35.44 ft

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.