GREAT LAKES 21

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Fractional Sloop
LOA: 6.40 m
LWL: 5.59 m
S.A. (reported): 18.58 m²
Beam: 1.75 m
Displacement: 816 kg
Max Draft: 1.04 m
Construction: Wood/Cold molded/FG
First Built: 1938
Builder: Hodgdon Brothers (USA)
Designer: Charles Hodgdon

Sailboat Calculations

Definitions
S.A. / Displ.: 21.67
Disp: / Len: 130.48
Comfort Ratio: 14.13
Capsize Screening Formula: 1.89
Hull Speed: 5.74 kn
Pounds/Inch Immersion: 376.60 pounds/inch

calculation mobile

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Sailboat Links

Builders: Douglass & McLeod
Hodgdon Bros. (USA)
Related Sailboats: BOOTHBAY HARBOR ONE DESIGN
Download Boat Record:

Notes

Later called INTERNATIONAL 21.
This class has a very complicated history which still needs to be researched and summarized.