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IRWIN 28

IRWIN 28 built by Irwin Yachts (USA) and designed by Ted Irwin. Her first hull was built in 1970 with an overall lengh of 8.53 m or 28.00 ft long

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IRWIN 28 Sailboat Specifications​

Features

Overall Length (LOA) m / ft8.53 m / 28.00 ft
Builder(s)Irwin Yachts
Designer(s)Ted Irwin
BrandIrwin
CountryUnited States
Hull TypeFin with rudder on skeg
First Hull Built1970
Ballast TypeLead
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal95 L / 25 gal
Ballast Ratio37.97

Dimensions

Overall Length (LOA) 8.53 m / 28.00 ft
Waterline Length (LWL)6.86 m / 22.50 ft
Beam (width)2.44 m / 8.00 ft
Draft1.37 m / 4.50 ft
Light Displacement (MLC) 3583 kg / 7900 lb
Maximum Displacement3583 kg / 7900 lb
Ballast Weight1361 kg / 3000 lb

Performance

Capsize Screening Formula (CSF)1.61
Comfort Ratio31.67
Displacement-Length Ratio (DLR)309.62
Ballast Ratio37.97
Sail Area to Displacement16.07

Above Deck

Estimated Forestay Length11.37 m / 37.32 ft
Reported Sail Area36.88 m² / 397.00 ft²
Total Sail Area36.85 m² / 396.62 ft²
Mainsail Area17.88 m² / 192.50 ft²
I35.50 ft * 10.82 m
J11.50 ft * 3.51 m
P31.30 ft * 9.54 m
E12.30 ft * 3.75 m
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