Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 24.75 ft / 7.54 m
LWL: 20.00 ft / 6.10 m
Beam: 10.00 ft / 3.05 m
Displacement: 3,406.00 lb / 1,545 kg
Ballast: 1,803.00 lb / 818 kg
Max Draft: 4.92 ft / 1.50 m
Construction: Ply/multi-chine/FG
First Built: 1977
Builder: BEBS Ltd./Thames Marine (UK)
Designer: Bernt Lindquist / Peter Ståhle / S. Jardine

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Sailboat Calculations

Bal. / Displ.: 52.94
Disp: / Len: 190.07
Comfort Ratio: 11.44
Capsize Screening Formula: 2.66
Hull Speed: 5.99 kn
Pounds/Inch Immersion: 714.62 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

Mast Height from DWL: 33.79 ft / 10.30 m

Sailboat Links

Designers: Bernt Lindquist
Peter Ståhle
Builders: Thames Marine (UK)
Associations: Quarter Ton Class
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Based on an earlier IOR 1/4 ton prototype built by the designers (1973).
Built in the UK with modifications (IOR tweaks) by Stuart Jardine.
Last 2 built by Thames Marine. Flush deck and blister cabin versions were advertised.
Numbers unknown but rare.