Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Lifting Keel
Rigging Type: Fractional Sloop
LOA: 6.71 m
LWL: 5.72 m
S.A. (reported): 21.18 m²
Beam: 2.44 m
Displacement: 998 kg
Ballast: 349 kg
Max Draft: 1.37 m
Min Draft: 0.25 m
Construction: FG
First Built: 1983
Last Built: 1986
# Built: 174
Builder: S2 Yachts
Designer: Don Wennersten/Graham & Schlageter

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Sailboat Calculations

Definitions
S.A. / Displ.: 21.62
Bal. / Displ.: 35.00
Disp: / Len: 148.99
Comfort Ratio: 10.80
Capsize Screening Formula: 2.46
S#: 4.01
Hull Speed: 5.80 kn
Pounds/Inch Immersion: 535.97 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 7.92 m
J: 2.38 m
P: 7.71 m
E: 3.05 m
S.A. Fore: 9.42 m²
S.A. Main: 11.75 m²
S.A. Total (100% Fore + Main Triangles): 21.17 m²
S.A./Displ. (calc.): 21.61
Est. Forestay Length: 8.27 m

Sailboat Links

Designers: Graham & Schlageter
Builders: S2 Yachts (USA)
Download Boat Record:

Notes

S2 6.9 GRAND SLAM.
The same hull as the S2 6.7 (designed by S2 in-house designer Don Wennersten), with changes to the cabin, cockpit, and sailplan overseen by G&S.
(Thanks to Bob Proctor for providing updated information on this yacht.)