COLUMBIA 31

COLUMBIA 31 insignia COLUMBIA 31 photo COLUMBIA 31 drawing

Sailboat Specifications


Hull Type:
Keel/Cbrd.
Rigging Type:
Masthead Sloop
LOA:
30.50 ft / 9.30 m
LWL:
21.50 ft / 6.55 m
Beam:
9.83 ft / 3.00 m
S.A. (reported):
422.00 ft2 / 39.21 m2
Draft (max):
7.00 ft / 2.13 m
Draft (min):
3.08 ft / 0.94 m
Displacement:
8,500 lb / 3,856 kg
Ballast:
3,400 lb / 1,542 kg
S.A./Disp.:
16.26
Bal./Disp.:
40.00
Disp./Len.:
381.82
Construction:
FG
Ballast Type:
First Built:
1965
Last Built:
1968
# Built:
97
Builder:
Columbia Yachts (USA)
Designer:
Charles Morgan
Website:

Auxiliary Power/Tanks (orig. equip.)

Make:
Universal
Model:
Atomic 4
Type:
Gas
HP:
20

Sailboat Calculations

S.A./Disp.:
16.26
Bal./Disp.:
40.00
Disp./Len.:
381.82
Comfort Ratio:
25.86
Capsize Screening Formula:
1.93

Rig and Sail Particulars

I:
35.50 ft / 10.82 m
J:
11.33 ft / 3.45 m
P:
30.50 ft / 9.30 m
E:
14.50 ft / 4.42 m
SPL/TPS:
ISP:
S.A. Fore:
201.11 ft2 / 18.68 m2
S.A. Main:
221.13 ft2 / 20.54 m2
S.A. Total (100% Fore + Main Triangles)
422.23 ft2 / 39.23 m2
S.A./Disp. (calc.):
16.27
Est. Forestay Len.:
37.26 ft / 11.36 m

Sailboat Links

Designers:
Builders:

Notes

Derived from the Morgan designed 'TIGER CUB'(1963?).
TALL MAST:
I: 37.5'
J: 11.33'
P: 33.0'
E: 14.5'

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