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IRWIN 28 MK IV
Irwin 28 Mk IV drawing on sailboatdata.com

Hull Type:  Fin with rudder on skeg Rig Type:  Masthead Sloop
LOA:  28.42' / 8.66m LWL:  23.00' / 7.01m
Beam:  9.00' / 2.74m Listed SA:  377 ft2 / 35.02 m2
Draft (max.)  4.50' / 1.37m Draft (min.)  
Displacement:  7800 lbs./ 3538 kgs. Ballast:  3200 lbs. / 1452 kgs.
Sail Area/Disp.1:  15.39 Bal./Disp.:  41.04% Disp./Len.:  286.20
Designer:  Ted Irwin
Builder:  Irwin Yachts (USA)
Construction:  FG Bal. type:  Lead
First Built:  1976 Last Built:  1981 # Built:  
RIG AND SAIL PARTICULARS  KEY
I(IG):  37.00' / 11.28m J:  12.00' / 3.66m
P:  31.67' / 9.65m E:  9.75' / 2.97m
PY:   EY:  
ISP:   SPL/TPS:  
SA(Fore.):  222.00 ft2 / 20.62 m2 SA(Main):  154.39 ft2 / 14.34 m2
Sail Area (100% fore+main triangles):   376.39 ft2 / 34.97 m2
Sail Area/Disp.2:  15.36 Est. Forestay Length.:  38.90' / 11.86m
BUILDERS (past & present)
More about & boats built by:   Irwin Yachts
DESIGNER
More about & boats designed by:   Ted Irwin
SEE ALSO:
Related Boat:   IRWIN 28
NOTES
Keel/CB version also available.

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