IRWIN 30 COMPETITION

Sailboat Specifications


Hull Type:
Fin with rudder on skeg
Rigging Type:
Masthead Sloop
LOA:
30.00 ft / 9.14 m
LWL:
26.92 ft / 8.21 m
Beam:
10.17 ft / 3.10 m
S.A. (reported):
474.00 ft2 / 44.04 m2
Draft (max):
5.33 ft / 1.62 m
Draft (min):
Displacement:
10,000 lb / 4,536 kg
Ballast:
4,600 lb / 2,087 kg
S.A./Disp.:
16.39
Bal./Disp.:
46.00
Disp./Len.:
228.84
Construction:
FG
Ballast Type:
First Built:
1972
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:
50 gals / 189 L
Fuel:
20 gals / 76 L

Sailboat Calculations

S.A./Disp.:
16.39
Bal./Disp.:
46.00
Disp./Len.:
228.84
Comfort Ratio:
25.27
Capsize Screening Formula:
1.89

Rig and Sail Particulars

I:
41.70 ft / 12.71 m
J:
13.50 ft / 4.11 m
P:
35.00 ft / 10.67 m
E:
11.00 ft / 3.35 m
SPL/TPS:
ISP:
S.A. Fore:
281.48 ft2 / 26.15 m2
S.A. Main:
192.50 ft2 / 17.88 m2
S.A. Total (100% Fore + Main Triangles)
473.98 ft2 / 44.03 m2
S.A./Disp. (calc.):
16.39
Est. Forestay Len.:
43.83 ft / 13.36 m

Sailboat Links

Designers:
Builders:
Associations:

Notes

IOR 1/2 ton based on IRWIN 30.
Shoal draft version also available.

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