Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 9.70 m
LWL: 7.47 m
S.A. (reported): 37.63 m²
Beam: 2.95 m
Displacement: 5,284 kg
Ballast: 2,000 kg
Max Draft: 1.40 m
Construction: FG
Ballast Type: Iron
First Built: 1971
# Built: 200
Builder: Marine Construction (UK)
Designer: Peter Brett

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Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD-2
Type: Diesel
Fuel: 64 L

Accomodations

Water: 114 L

Sailboat Calculations

Definitions
S.A. / Displ.: 12.65
Bal. / Displ.: 37.85
Disp: / Len: 353.65
Comfort Ratio: 32.83
Capsize Screening Formula: 1.71
S#: 1.11
Hull Speed: 6.63 kn
Pounds/Inch Immersion: 846.52 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 11.58 m
J: 3.66 m
P: 9.95 m
E: 3.43 m
S.A. Fore: 21.18 m²
S.A. Main: 17.07 m²
S.A. Total (100% Fore + Main Triangles): 38.25 m²
S.A./Displ. (calc.): 12.86
Est. Forestay Length: 12.15 m

Sailboat Links

Designers: Peter Brett
Builders: Marine Construction Ltd. (UK)
Associations: Rival Owners Association
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Notes

All 200 hulls were molded by Marine Construction Ltd., but many were finished by Southern Boatbuilding.
The design was a longer counter sterned development of the 1967 designed Rival 31, and later evolved into the better-known Rival 34 - although actually more Rival 32s than 34s were built.