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IRWIN 1/2 TON MKII

IRWIN 1/2 TON MKII built by Irwin Yacht & Marine Corporation (USA) and designed by Ted Irwin. Her first hull was built in 1977 with an overall lengh of 9.75 m or 32.00 ft long

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IRWIN 1/2 TON MKII Sailboat Specifications​

Features

Overall Length (LOA) m / ft9.75 m / 32.00 ft
Builder(s)Irwin Yacht / Marine Corporation
Designer(s)Ted Irwin
BrandIrwin
CountryUnited States
Hull TypeLifting Keel
First Hull Built1977
Ballast TypeLead
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal106 L / 28 gal
Ballast Ratio47.95

Dimensions

Overall Length (LOA) 9.75 m / 32.00 ft
Waterline Length (LWL)7.44 m / 24.42 ft
Beam (width)3.45 m / 11.33 ft
Draft1.98 m / 6.50 ft
Light Displacement (MLC) 3311 kg / 7300 lb
Maximum Displacement3311 kg / 7300 lb
Ballast Weight1588 kg / 3500 lb

Performance

Capsize Screening Formula (CSF)2.34
Comfort Ratio16.67
Displacement-Length Ratio (DLR)223.79
Ballast Ratio47.95
Sail Area to Displacement17.57

Above Deck

Reported Sail Area38.28 m² / 412.00 ft²
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