IRWIN 33 MKII

IRWIN 33 MKII drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
33.00 ft
LWL:
27.50 ft
Beam:
11.17 ft
S.A. (reported):
489.00 ft2
Draft (max):
5.50 ft
Draft (min):
Displacement:
11,950 lb
Ballast:
4,200 lb
S.A./Disp.:
15.02
Bal./Disp.:
35.15
Disp./Len.:
256.52
Construction:
FG
Ballast Type:
First Built:
1976
Last Built:
# Built:
Builder:
Irwin Yachts (USA)
Designer:
Ted Irwin
Website:

Sailboat Calculations

S.A./Disp.:
15.02
Bal./Disp.:
35.15
Disp./Len.:
256.52
Comfort Ratio:
25.46
Capsize Screening Formula:
1.96

Rig and Sail Particulars

I:
42.00 ft
J:
14.00 ft
P:
35.50 ft
E:
11.00 ft
SPL/TPS:
ISP:
S.A. Fore:
294.00 ft2
S.A. Main:
195.25 ft2
S.A. Total (100% Fore + Main Triangles)
489.25 ft2
S.A./Disp. (calc.):
15.03
Est. Forestay Len.:
44.27 ft
Mast Height from DWL:
46.25 ft

Sailboat Links

Designers:
Builders:

Notes

Shoal draft: 3.92'
Keel/cb: BU: 4.0' BD: 8.0'.
Some were raced at the IOR 3/4 ton level.

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