IRWIN 31 CITATION

IRWIN 31 CITATION photo IRWIN 31 CITATION drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
31.25 ft / 9.53 m
LWL:
26.50 ft / 8.08 m
S.A. (reported):
474.00 ft2 / 44.04 m2
Beam:
11.00 ft / 3.35 m
Draft (max):
6.00 ft / 1.83 m
Draft (min):
Displacement:
9,300 lb / 4,218 kg
Ballast:
3,400 lb / 1,542 kg
S.A./Disp.:
17.21
Bal./Disp.:
36.56
Disp./Len.:
223.10
Construction:
FG
Ballast Type:
First Built:
1983
Last Built:
# Built:
Builder:
Irwin Yachts (USA)
Designer:
Ted Irwin
Website:

Auxiliary Power/Tanks (orig. equip.)

Make:
Yanmar
Model:
Type:
Diesel
HP:
15

Sailboat Calculations

S.A./Disp.:
17.21
Bal./Disp.:
36.56
Disp./Len.:
223.10
Comfort Ratio:
21.11

Rig and Sail Particulars

I:
42.00 ft / 12.80 m
J:
12.00 ft / 3.66 m
P:
37.00 ft / 11.28 m
E:
12.00 ft / 3.66 m
SPL/TPS:
ISP:
S.A. Fore:
252.00 ft2 / 23.41 m2
S.A. Main:
222.00 ft2 / 20.62 m2
S.A. Total (100% Fore + Main Triangles)
474.00 ft2 / 44.04 m2
S.A./Disp. (calc.):
17.21
Est. Forestay Len.:
43.68 ft / 13.31 m
Mast Height from DWL:
46.08 ft / 14.05 m

Sailboat Links

Designers:
Builders:

Notes

Keel/cb version: BU: 4.0' BD: 8.92'. Shallow draft fixed keel: 4.0'



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