IRWIN 37-4

Sailboat Specifications


Hull Type:
Fin with rudder on skeg
Rigging Type:
Cutter
LOA:
37.00 ft / 11.28 m
LWL:
30.00 ft / 9.14 m
S.A. (reported):
627.00 ft2 / 58.25 m2
Beam:
11.50 ft / 3.51 m
Draft (max):
5.50 ft / 1.68 m
Draft (min):
Displacement:
20,000 lb / 9,072 kg
Ballast:
6,700 lb / 3,039 kg
S.A./Disp.:
13.67
Bal./Disp.:
33.50
Disp./Len.:
330.69
Construction:
FG
Ballast Type:
First Built:
1977
Last Built:
1982
# Built:
Builder:
Irwin Yachts (USA)
Designer:
Ted Irwin
Website:

Auxiliary Power/Water (orig. equip.)

Make:
Perkins
Model:
Type:
Diesel
HP:
Water:
187 gals.
Fuel:
55 gals.

Sailboat Calculations

S.A./Disp.:
13.67
Bal./Disp.:
33.50
Disp./Len.:
330.69
Comfort Ratio:
37.23

Rig and Sail Particulars

I:
42.00 ft / 12.80 m
J:
17.50 ft / 5.33 m
P:
35.60 ft / 10.85 m
E:
14.60 ft / 4.45 m
SPL/TPS:
ISP:
S.A. Fore:
367.50 ft2 / 34.14 m2
S.A. Main:
259.88 ft2 / 24.14 m2
S.A. Total (100% Fore + Main Triangles)
627.38 ft2 / 58.29 m2
S.A./Disp. (calc.):
13.68
Est. Forestay Len.:
45.50 ft / 13.87 m

Sailboat Links

Designers:
Builders:

Notes

Shoal draft: 4.0' Ketch Rig: I: 42.0' J: 17.5' P: 35.6' E: 12.5' PY: 22.16' EY: 8.33'



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