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J/37 built by J Boats Tillotson Pearson (USA) and designed by Rodney S. Johnstone. Her first hull was built in 1987 with an overall lengh of 11.41 m or 37.42 ft long

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J/37 Sailboat Specifications​


Overall Length (LOA) m / ft11.41 m / 37.42 ft
Builder(s)J Boats Tillotson Pearson
Designer(s)Rodney S. Johnstone
BrandJ Boats
CountryUnited States
Hull TypeFin w/spade rudder
Number of Hulls Built52
First Hull Built1987
Last Hull Built1991
Ballast TypeLead
Rigging TypeMasthead Sloop
Freshwater Tank Capacity lt/gal189 L / 50 gal
Ballast Ratio42.22


Overall Length (LOA) 11.41 m / 37.42 ft
Waterline Length (LWL)9.88 m / 32.42 ft
Beam (width)3.76 m / 12.33 ft
Draft2.21 m / 7.25 ft
Light Displacement (MLC) 6123 kg / 13500 lb
Maximum Displacement6123 kg / 13500 lb
Ballast Weight2585 kg / 5700 lb


Capsize Screening Formula (CSF)2.08
Comfort Ratio21.68
Displacement-Length Ratio (DLR)176.87
Ballast Ratio42.22
Sail Area to Displacement21.24

Above Deck

Estimated Forestay Length16.32 m / 53.56 ft
Reported Sail Area69.68 m² / 750.00 ft²
Total Sail Area69.66 m² / 749.78 ft²
Mainsail Area34.49 m² / 371.25 ft²
I51.50 ft * 15.70 m
J14.70 ft * 4.48 m
P45.00 ft * 13.72 m
E16.50 ft * 5.03 m
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