ALDEN O CLASS MK I

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Centerboard (Trunk)
Rigging Type: Fractional Sloop
LOA: 5.56 m
LWL: 4.72 m
S.A. (reported): 18.58 m²
Beam: 1.88 m
Displacement: 590 kg
Ballast: 204 kg
Max Draft: 1.14 m
Min Draft: 0.28 m
Construction: Wood
First Built: 1922
Last Built: 1925
# Built: 20
Designer: John Alden

Sailboat Calculations

Definitions
S.A. / Displ.: 26.92
Bal. / Displ.: 34.62
Disp: / Len: 155.85
Comfort Ratio: 10.89
Capsize Screening Formula: 2.26
Hull Speed: 5.28 kn
Pounds/Inch Immersion: 341.71 pounds/inch

calculation mobile

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3rd ad full width

Sailboat Links

Designers: John G. Alden
Related Sailboats: ALDEN O CLASS MK II
Download Boat Record:

Notes

Alden design #61. It is thought that no more than 20 of this first version of the O Class were built. Designed as a trainer, it proved to be too tender and skitish for the younger sailer and they had died out by 1931. A second version (see ALDEN O MK II) proved to be far more popular.