OceanWaveSail Free Searchable Sailboats Database

IRWIN 37-4

IRWIN 37-4 built by Irwin Yachts (USA) and designed by Ted Irwin. Her first hull was built in 1977 with an overall lengh of 11.28 m or 37.00 ft long

Compare Sailboats

IRWIN 37-4 Sailboat Specifications​

Features

Overall Length (LOA) m / ft11.28 m / 37.00 ft
Builder(s)Irwin Yachts
Designer(s)Ted Irwin
BrandIrwin
CountryUnited States
Hull TypeFin with rudder on skeg
First Hull Built1977
Last Hull Built1982
Rigging TypeCutter
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal708 L / 187 gal
Ballast Ratio33.5

Dimensions

Overall Length (LOA) 11.28 m / 37.00 ft
Waterline Length (LWL)9.14 m / 30.00 ft
Beam (width)3.51 m / 11.50 ft
Draft1.68 m / 5.50 ft
Light Displacement (MLC) 9072 kg / 20000 lb
Maximum Displacement9072 kg / 20000 lb
Ballast Weight3039 kg / 6700 lb

Performance

Capsize Screening Formula (CSF)1.70
Comfort Ratio37.23
Displacement-Length Ratio (DLR)330.69
Ballast Ratio33.5
Sail Area to Displacement13.67

Above Deck

Estimated Forestay Length13.87 m / 45.50 ft
Reported Sail Area58.25 m² / 627.00 ft²
Total Sail Area58.29 m² / 627.38 ft²
Mainsail Area24.14 m² / 259.88 ft²
I42.00 ft * 12.80 m
J17.50 ft * 5.33 m
P35.60 ft * 10.85 m
E14.60 ft * 4.45 m
error: Content is protected !!