SOUTHERN CROSS 31

SOUTHERN CROSS 31 photo SOUTHERN CROSS 31 drawing

Sailboat Specifications


Hull Type:
Long keel w/trans. hung rudder
Rigging Type:
Cutter
LOA:
31.00 ft / 9.45 m
LWL:
25.00 ft / 7.62 m
S.A. (reported):
496.00 ft2 / 46.08 m2
Beam:
9.50 ft / 2.90 m
Draft (max):
4.50 ft / 1.37 m
Draft (min):
Displacement:
13,600 lb / 6,169 kg
Ballast:
4,180 lb / 1,896 kg
S.A./Disp.:
13.98
Bal./Disp.:
30.74
Disp./Len.:
388.57
Construction:
FG
Ballast Type:
First Built:
1975
Last Built:
# Built:
150
Builder:
C. E. Ryder (USA)
Designer:
Thomas Gilmer
Website:

Sailboat Calculations

S.A./Disp.:
13.98
Bal./Disp.:
30.74
Disp./Len.:
388.57
Comfort Ratio:
39.09

Rig and Sail Particulars

I:
36.50 ft / 11.13 m
J:
15.50 ft / 4.72 m
P:
31.50 ft / 9.60 m
E:
13.50 ft / 4.11 m
SPL/TPS:
ISP:
S.A. Fore:
282.88 ft2 / 26.28 m2
S.A. Main:
212.63 ft2 / 19.75 m2
S.A. Total (100% Fore + Main Triangles)
495.50 ft2 / 46.03 m2
S.A./Disp. (calc.):
13.96
Est. Forestay Len.:
39.65 ft / 12.09 m

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