ALDEN O CLASS MK I

Sailboat Specifications


Hull Type:
Centerboard (Trunk)
Rigging Type:
Fractional Sloop
LOA:
5.56 m
LWL:
4.72 m
Beam:
1.88 m
S.A. (reported):
18.58 m2
Draft (max):
1.14 m
Draft (min):
0.28 m
Displacement:
590 kg
Ballast:
204 kg
S.A./Disp.:
26.92
Bal./Disp.:
34.62
Disp./Len.:
155.85
Construction:
Wood
Ballast Type:
First Built:
1922
Last Built:
1925
# Built:
20
Builder:
Designer:
John Alden
Website:

Sailboat Calculations

S.A./Disp.:
26.92
Bal./Disp.:
34.62
Disp./Len.:
155.85
Comfort Ratio:
10.89
Capsize Screening Formula:
2.26

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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.

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