IRWIN 10/4

IRWIN 10/4 drawing

Sailboat Specifications


Hull Type:
Keel/CB & spade rudder
Rigging Type:
Cutter
LOA:
25.33 ft / 7.72 m
LWL:
21.83 ft / 6.65 m
S.A. (reported):
396.00 ft2 / 36.79 m2
Beam:
10.33 ft / 3.15 m
Draft (max):
6.67 ft / 2.03 m
Draft (min):
2.75 ft / 0.84 m
Displacement:
7,000 lb / 3,175 kg
Ballast:
2,000 lb / 907 kg
S.A./Disp.:
17.37
Bal./Disp.:
28.57
Disp./Len.:
300.39
Construction:
FG
Ballast Type:
First Built:
1975
Last Built:
1982
# Built:
Builder:
Irwin Yacht & Marine Corporation (USA)
Designer:
Ted Irwin
Website:

Sailboat Calculations

S.A./Disp.:
17.37
Bal./Disp.:
28.57
Disp./Len.:
300.39
Comfort Ratio:
21.09

Rig and Sail Particulars

I:
35.00 ft / 10.67 m
J:
12.00 ft / 3.66 m
P:
30.16 ft / 9.19 m
E:
12.25 ft / 3.73 m
SPL/TPS:
ISP:
S.A. Fore:
210.00 ft2 / 19.51 m2
S.A. Main:
184.73 ft2 / 17.16 m2
S.A. Total (100% Fore + Main Triangles)
394.73 ft2 / 36.67 m2
S.A./Disp. (calc.):
17.31
Est. Forestay Len.:
37.00 ft / 11.28 m

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