Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 12.20 m
LWL: 10.25 m
S.A. (reported): 89.44 m²
Beam: 3.70 m
Displacement: 9,900 kg
Ballast: 4,400 kg
Max Draft: 1.95 m
Construction: GRP
Ballast Type: Lead
First Built: 1979
Builder: Esslinger & Abt
Designer: E. G. van de Stadt

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD21A
Type: Diesel
HP: 75
Fuel: 200 L


Water: 200 L

Sailboat Calculations

S.A. / Displ.: 19.80
Bal. / Displ.: 44.44
Disp: / Len: 256.18
Comfort Ratio: 34.14
Capsize Screening Formula: 1.74
Hull Speed: 7.77 kn
Pounds/Inch Immersion: 1,458.79 pounds/inch

calculation mobile

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Sailboat Links

Designers: E. G. Van de Stadt
Download Boat Record:


Also available with ketch rig.
Van de Stadt design #313
Original drawing and data from "E.G. van de Stadt, Yacht Design Pioneer" by Willem Akkerman, Theo van Harpen, Jan Briek. © 2001 Uitgeverij Van Wijnen