Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 12.34 m
LWL: 10.74 m
S.A. (reported): 65.22 m²
Beam: 4.11 m
Displacement: 9,470 kg
Max Draft: 1.68 m
Construction: FG
First Built: 1990
# Built: 100
Builder: Westerly Yachts Ltd. (UK)
Designer: Ed Dubois/Mike Parham

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Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Model: MD17D
Type: Diesel
HP: 43
Fuel: 170 L


Water: 416 L

Sailboat Calculations

S.A. / Displ.: 14.87
Disp: / Len: 212.80
Comfort Ratio: 27.37
Capsize Screening Formula: 1.96
Hull Speed: 7.96 kn
Pounds/Inch Immersion: 1,700.35 pounds/inch

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Sailboat Links

Designers: Ed Dubois
Builders: Westerly Marine Construction Ltd.
Download Boat Record:


An extended version of the SEALORD. Mike Parham was Westerly's in-house designer at the time.