Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Swing Keel
Rigging Type: Masthead Sloop
LOA: 22.00 ft / 6.71 m
LWL: 21.00 ft / 6.40 m
S.A. (reported): 202.00 ft² / 18.77 m²
Beam: 7.33 ft / 2.23 m
Displacement: 3,100.00 lb / 1,406 kg
Ballast: 500.00 lb / 227 kg
Max Draft: 4.17 ft / 1.27 m
Min Draft: 1.74 ft / 0.53 m
Construction: Plywood
First Built: 1963
# Built: 150
Builder: Bell Woodworking (UK)
Designer: Ian Proctor

Sailboat Calculations

Definitions
S.A. / Displ.: 15.24
Bal. / Displ.: 16.13
Disp: / Len: 149.44
Comfort Ratio: 15.83
Capsize Screening Formula: 2.01
Hull Speed: 6.14 kn
Pounds/Inch Immersion: 550.01 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Designers: Ian Proctor
Builders: Bell Woodworking Ltd. (UK)
Associations: Seagull & Seamew - Procter design
Download Boat Record:

Notes

Larger sister to the earlier SEAGULL, the SEAMEW was available as a kit from Bell Woodworking and some were also completed by Bell in-house.