Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 40.50 ft
LWL: 35.25 ft
S.A. (reported): 702.00 ft²
Beam: 13.50 ft
Displacement: 20,878.00 lb
Max Draft: 5.50 ft
Construction: FG
First Built: 1990
# Built: 100
Builder: Westerly Yachts Ltd. (UK)
Designer: Ed Dubois/Mike Parham

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Model: MD17D
Type: Diesel
HP: 43
Fuel: 45 gals


Water: 110 gals

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

calculation mobile

2 nd ad half width

3rd ad full width

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.