IRWIN 38-1

IRWIN 38-1 photo IRWIN 38-1 drawing

Sailboat Specifications


Hull Type:
Keel/CB & spade rudder
Rigging Type:
Masthead Sloop
LOA:
37.75 ft / 11.51 m
LWL:
27.50 ft / 8.38 m
Beam:
10.50 ft / 3.20 m
S.A. (reported):
610.00 ft2 / 56.67 m2
Draft (max):
9.58 ft / 2.92 m
Draft (min):
3.75 ft / 1.14 m
Displacement:
15,400 lb / 6,985 kg
Ballast:
6,500 lb / 2,948 kg
S.A./Disp.:
15.83
Bal./Disp.:
42.21
Disp./Len.:
330.58
Construction:
FG
Ballast Type:
Lead
First Built:
1970
Last Built:
# Built:
Builder:
Irwin Yachts (USA)
Designer:
Ted Irwin
Website:

Auxiliary Power/Tanks (orig. equip.)

Make:
Universal
Model:
Atomic 4
Type:
Gas
HP:
Water:
80 gals / 303 L
Fuel:
30 gals / 114 L

Sailboat Calculations

S.A./Disp.:
15.83
Bal./Disp.:
42.21
Disp./Len.:
330.58
Comfort Ratio:
33.97
Capsize Screening Formula:
1.69

Rig and Sail Particulars

I:
45.25 ft / 13.79 m
J:
15.00 ft / 4.57 m
P:
40.00 ft / 12.19 m
E:
13.50 ft / 4.11 m
SPL/TPS:
ISP:
S.A. Fore:
339.38 ft2 / 31.53 m2
S.A. Main:
270.00 ft2 / 25.08 m2
S.A. Total (100% Fore + Main Triangles)
609.38 ft2 / 56.61 m2
S.A./Disp. (calc.):
15.81
Est. Forestay Len.:
47.67 ft / 14.53 m

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