Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 9.45 m
LWL: 7.50 m
S.A. (reported): 44.00 m²
Beam: 3.20 m
Displacement: 3,000 kg
Max Draft: 1.70 m
Construction: Wood (mahogany)
First Built: 1982
Last Built: 1984
# Built: 8
Builder: Länsivene Oy (FIN)
Designer: Matti Pulli

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Sailboat Calculations

Definitions
S.A. / Displ.: 21.57
Disp: / Len: 198.10
Comfort Ratio: 16.81
Capsize Screening Formula: 2.24
S#: 3.11
Hull Speed: 6.65 kn
Pounds/Inch Immersion: 923.31 pounds/inch

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2 nd ad half width

3rd ad full width

Rig and Sail Particulars

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I: 10.50 m
J: 3.20 m
P: 11.80 m
E: 4.20 m
S.A. Fore: 16.80 m²
S.A. Main: 24.78 m²
S.A. Total (100% Fore + Main Triangles): 41.58 m²
S.A./Displ. (calc.): 20.39
Est. Forestay Length: 10.98 m
Mast Height from DWL: 14.00 m

Sailboat Links

Designers: Matti Pulli
Builders: Länsivene Oy
Associations: MP Owners
Download Boat Record:

Notes

In 1989, an updated version of the 31 was built out of GRP. Only one was produced and called the MP 315. The transom was tilted slightly increasing the LOA to 9.7m / 31.82ft. It also had a masthead rig. More information can be found at: https://mpveneet.wordpress.com/