Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 10.97 m
LWL: 8.69 m
S.A. (reported): 52.58 m²
Beam: 3.73 m
Displacement: 3,856 kg
Ballast: 1,792 kg
Max Draft: 1.91 m
Construction: FG
Ballast Type: Lead
First Built: 1979
Last Built: 1981
# Built: 10
Builder: Vervale Yachts
Designer: Stephen Jones

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Sailboat Calculations

Definitions
S.A. / Displ.: 21.81
Bal. / Displ.: 46.47
Disp: / Len: 163.92
Comfort Ratio: 15.19
Capsize Screening Formula: 2.40
S#: 3.78
Hull Speed: 7.15 kn
Pounds/Inch Immersion: 1,247.46 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 12.04 m
J: 3.60 m
P: 12.73 m
E: 4.86 m
S.A. Fore: 21.65 m²
S.A. Main: 30.90 m²
S.A. Total (100% Fore + Main Triangles): 52.55 m²
S.A./Displ. (calc.): 21.80
Est. Forestay Length: 12.56 m

Sailboat Links

Designers: Stephen Jones
Associations: IOR 3/4 ton
Download Boat Record:

Notes

IOR 3/4 ton racer.
Based on 'Silver Shadow' (1978?).
Also sold as OYSTER 35 SJ.