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J/42

J/42 built by J Boats Tillotson Pearson (USA) and designed by Johnstone. Her first hull was built in 1999 with an overall lengh of 12.80 m or 42.00 ft long

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J/42 Sailboat Specifications​

Features

Overall Length (LOA) m / ft12.80 m / 42.00 ft
Builder(s)J Boats Tillotson Pearson
Designer(s)Johnstone
BrandJ Boats
CountryUnited States
Hull TypeFin w/bulb & spade rudder
Number of Hulls Built35
First Hull Built1999
Last Hull Built2005
Ballast TypeLead
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal379 L / 100 gal
Ballast Ratio35.53

Dimensions

Overall Length (LOA) 12.80 m / 42.00 ft
Waterline Length (LWL)10.70 m / 35.10 ft
Beam (width)3.72 m / 12.20 ft
Draft2.01 m / 6.60 ft
Light Displacement (MLC) 8936 kg / 19700 lb
Maximum Displacement8936 kg / 19700 lb
Ballast Weight3175 kg / 7000 lb

Performance

Capsize Screening Formula (CSF)1.81
Comfort Ratio29.28
Displacement-Length Ratio (DLR)203.37
Ballast Ratio35.53
Sail Area to Displacement17.4

Above Deck

Estimated Forestay Length16.03 m / 52.60 ft
Reported Sail Area73.39 m² / 790.00 ft²
Total Sail Area73.36 m² / 789.68 ft²
Mainsail Area38.88 m² / 418.50 ft²
I50.50 ft * 15.39 m
J14.70 ft * 4.48 m
P46.50 ft * 14.17 m
E18.00 ft * 5.49 m
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