Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Swing Keel
Rigging Type: Fractional Sloop
LOA: 21.17 ft
LWL: 18.75 ft
S.A. (reported): 203.00 ft²
Beam: 7.92 ft
Displacement: 2,000.00 lb
Ballast: 525.00 lb
Max Draft: 5.00 ft
Min Draft: 1.33 ft
Construction: FG
Ballast Type: Iron
First Built: 1976
Builder: Vandestadt & McGruer Ltd.(CAN)
Designer: Hubert Van de Stadt

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Sailboat Calculations

S.A. / Displ.: 20.51
Bal. / Displ.: 26.25
Disp: / Len: 135.45
Comfort Ratio: 10.08
Capsize Screening Formula: 2.52
Hull Speed: 5.80 kn
Pounds/Inch Immersion: 530.61 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Designers: Hubert Vandestadt
Builders: Vandestadt and McGruer Ltd. (CAN)
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Same or similar to SIRIUS 21 (later to become SIRIUS 22).