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J/39

J/39 built by J Boats Tillotson Pearson (USA) and designed by Johnstone. Her first hull was built in 1989 with an overall lengh of 12.02 m or 39.42 ft long

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J/39 Sailboat Specifications​

Features

Overall Length (LOA) m / ft12.02 m / 39.42 ft
Builder(s)J Boats Tillotson Pearson
Designer(s)Johnstone
BrandJ Boats
CountryUnited States
Hull TypeFin w/spade rudder
Number of Hulls Built25
First Hull Built1989
Last Hull Built1997
Ballast TypeLead
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Ballast Ratio45.74

Dimensions

Overall Length (LOA) 12.02 m / 39.42 ft
Waterline Length (LWL)9.91 m / 32.50 ft
Beam (width)3.79 m / 12.42 ft
Draft2.21 m / 7.25 ft
Light Displacement (MLC) 5851 kg / 12900 lb
Maximum Displacement5851 kg / 12900 lb
Ballast Weight2676 kg / 5900 lb

Performance

Capsize Screening Formula (CSF)2.12
Comfort Ratio20.12
Displacement-Length Ratio (DLR)167.76
Ballast Ratio45.74
Sail Area to Displacement23.32

Above Deck

Estimated Forestay Length16.98 m / 55.70 ft
Reported Sail Area74.23 m² / 799.00 ft²
Total Sail Area74.26 m² / 799.31 ft²
Mainsail Area35.74 m² / 384.68 ft²
I53.50 ft * 16.31 m
J15.50 ft * 4.72 m
P47.20 ft * 14.39 m
E16.30 ft * 4.97 m
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