Beta Marine

Sailboat Specifications

Hull Type: Keel/Cbrd.
Rigging Type: Fractional Sloop
LOA: 4.88 m
LWL: 4.14 m
S.A. (reported): 13.01 m²
Beam: 2.06 m
Displacement: 386 kg
Ballast: 136 kg
Max Draft: 1.22 m
Min Draft: 0.23 m
Construction: FG
First Built: 1973
Builder: Recreational Products (USA)
Designer: W.I.B. Crealock

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Sailboat Calculations

S.A. / Displ.: 25.01
Bal. / Displ.: 35.29
Disp: / Len: 151.52
Comfort Ratio: 7.21
Capsize Screening Formula: 2.85
Hull Speed: 4.94 kn
Pounds/Inch Immersion: 327.53 pounds/inch

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Sailboat Links

Designers: William Crealock
Download Boat Record:


Tooling (for the hull) adapted from an earlier boat called SUN DOWNER 16. A later boat, the DRIFTER 17 shares these same origins.
Thanks to Tony Davis, former partner at Sun Downer Yachts, for providing additional information.