

Sailboat Specifications
Hull Type:
Long Keel
Rigging Type:
Masthead Sloop
LOA:
28.50 ft / 8.69 m
LWL:
22.50 ft / 6.86 m
Beam:
8.00 ft / 2.44 m
S.A. (reported):
387.00 ft2 / 35.95 m2
Draft (max):
4.00 ft / 1.22 m
Displacement:
8,400 lb / 3,810 kg
Ballast:
4,100 lb / 1,860 kg
S.A./Disp.:
15.03
Bal./Disp.:
48.81
Disp./Len.:
329.22
Construction:
FG (balsa core cabin trunk)
First Built:
1965
Last Built:
1969
# Built:
304
Builder:
Columbia Yachts (USA)
Designer:
Sparkman & Stephens
Auxiliary Power/Tanks (orig. equip.)
Make:
Universal
Model:
Atomic 4
Type:
Gas
Fuel:
16 gals / 61 L
Sailboat Calculations
S.A./Disp.:
15.03
Bal./Disp.:
48.81
Disp./Len.:
329.22
Comfort Ratio:
33.47
Capsize Screening Formula:
1.58
S#:
1.40
Rig and Sail Particulars
I:
34.50 ft / 10.52 m
J:
10.42 ft / 3.18 m
P:
30.00 ft / 9.14 m
E:
13.83 ft / 4.22 m
S.A. Fore:
179.75 ft2 / 16.70 m2
S.A. Main:
207.45 ft2 / 19.27 m2
S.A. Total (100% Fore + Main Triangles)
387.20 ft2 / 35.97 m2
S.A./Disp. (calc.):
15.04
Est. Forestay Len.:
36.04 ft / 10.98 m
Accommodations
Water:
20 gals / 76 L
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Notes
Based on S&S #1508.Similar to the earlier COLUMBIA 29 but with new deck and coach roof.
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