IRWIN 37-3

IRWIN 37-3 drawing

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
Beam:
11.50 ft / 3.51 m
S.A. (reported):
630.00 ft2 / 58.53 m2
Draft (max):
4.00 ft / 1.22 m
Displacement:
20,000 lb / 9,072 kg
Ballast:
7,800 lb / 3,538 kg
S.A./Disp.:
13.73
Bal./Disp.:
39.00
Disp./Len.:
330.69
Construction:
FG
First Built:
1976
Builder:
Irwin Yachts (USA)
Designer:
Ted Irwin

Auxiliary Power/Tanks (orig. equip.)

Make:
Perkins
Model:
4-108
Type:
Diesel
Fuel:
85 gals / 322 L

Sailboat Calculations

S.A./Disp.:
13.73
Bal./Disp.:
39.00
Disp./Len.:
330.69
Comfort Ratio:
37.23
Capsize Screening Formula:
1.70
S#:
1.29

Rig and Sail Particulars

I:
42.00 ft / 12.80 m
J:
17.60 ft / 5.36 m
P:
35.60 ft / 10.85 m
E:
14.60 ft / 4.45 m
S.A. Fore:
369.60 ft2 / 34.34 m2
S.A. Main:
259.88 ft2 / 24.14 m2
S.A. Total (100% Fore + Main Triangles)
629.48 ft2 / 58.48 m2
S.A./Disp. (calc.):
13.72
Est. Forestay Len.:
45.54 ft / 13.88 m
Mast Height from DWL:
46.00 ft / 14.02 m

Accommodations

Water:
180 gals / 681 L

Sailboat Links

Notes

Available with keel centerboard and staysail ketch rig.
Keel/CB: Draft-BU: 4.0'/BD: 8.0'
RIG DIMENSION FOR KETCH:
I: 42.0'
J: 17.6'
P: 35.6'
E: 12.9'
PY: 22.16'
EY: 8.33'

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