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IRWIN 25

IRWIN 25 built by Irwin Yacht & Marine Corp. (USA) and designed by Ted Irwin. Her first hull was built in 1969 with an overall lengh of 7.75 m or 25.42 ft long

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IRWIN 25 Sailboat Specifications​

Features

Overall Length (LOA) m / ft7.75 m / 25.42 ft
Builder(s)Irwin Yacht / Marine Corporation
Designer(s)Ted Irwin
BrandIrwin
CountryUnited States
Hull TypeKeel/CB & spade rudder
First Hull Built1969
Last Hull Built1976
Ballast TypeLead
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal53 L / 14 gal
Ballast Ratio40.74

Dimensions

Overall Length (LOA) 7.75 m / 25.42 ft
Waterline Length (LWL)6.25 m / 20.50 ft
Beam (width)2.44 m / 8.00 ft
Draft2.03 m / 6.67 ft
Light Displacement (MLC) 2449 kg / 5400 lb
Maximum Displacement2449 kg / 5400 lb
Ballast Weight998 kg / 2200 lb

Performance

Capsize Screening Formula (CSF)1.83
Comfort Ratio23.79
Displacement-Length Ratio (DLR)279.82
Ballast Ratio40.74
Sail Area to Displacement16.42

Above Deck

Mast Height from DWL10.46 m / 34.33 ft
Estimated Forestay Length10.00 m / 32.81 ft
Reported Sail Area29.26 m² / 315.00 ft²
Total Sail Area29.59 m² / 318.50 ft²
Mainsail Area15.07 m² / 162.25 ft²
I31.25 ft * 9.53 m
J10.00 ft * 3.05 m
P29.50 ft * 8.99 m
E11.00 ft * 3.35 m

Below Deck

Maximum Headroom5.75 ft * 1.75 m
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