Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Twin Keel
Rigging Type: Cutter
LOA: 7.32 m
LWL: 6.10 m
S.A. (reported): 29.26 m²
Beam: 2.44 m
Displacement: 1,814 kg
Ballast: 463 kg
Max Draft: 0.84 m
Construction: Wood
First Built: 1957
# Built: 800
Builder: Various-Amateur constr.
Designer: Maurice Griffiths

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Sailboat Calculations

S.A. / Displ.: 20.06
Bal. / Displ.: 25.50
Disp: / Len: 223.21
Comfort Ratio: 18.27
Capsize Screening Formula: 2.02
Hull Speed: 5.99 kn
Pounds/Inch Immersion: 571.70 pounds/inch

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2 nd ad half width

3rd ad full width

Sailboat Links

Designers: Maurice Griffiths
Associations: Eventide Owners Association (UK)
Eventide Owners Group (UK)
Download Boat Record:


Plans first appeared in 'Yachting Monthly' (1957). The designer was editor at the time. It was an immediate success with amateur and professional builders alike. Some time later, plans for a 26' version were issued. Draft for fin keel version: 4.5'. A production, fiberglass (26') version, with a standard trunk cabin, appeared in 1962.
For the most complete information on all Griffiths designs see the web site shown above.