J/39

J/39 photo J/39 drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
39.42 ft / 12.02 m
LWL:
32.50 ft / 9.91 m
Beam:
12.42 ft / 3.79 m
S.A. (reported):
799.00 ft2 / 74.23 m2
Draft (max):
7.25 ft / 2.21 m
Draft (min):
Displacement:
12,900 lb / 5,851 kg
Ballast:
5,900 lb / 2,676 kg
S.A./Disp.:
23.32
Bal./Disp.:
45.74
Disp./Len.:
167.76
Construction:
FG
Ballast Type:
Lead
First Built:
1989
Last Built:
1997
# Built:
25
Builder:
J Boats Tillotson Pearson (USA)
Designer:
Johnstone
Website:

Auxiliary Power/Tanks (orig. equip.)

Make:
Yanmar
Model:
3GM30
Type:
Diesel
HP:
27

Sailboat Calculations

S.A./Disp.:
23.32
Bal./Disp.:
45.74
Disp./Len.:
167.76
Comfort Ratio:
20.12
Capsize Screening Formula:
2.12

Rig and Sail Particulars

I:
53.50 ft / 16.31 m
J:
15.50 ft / 4.72 m
P:
47.20 ft / 14.39 m
E:
16.30 ft / 4.97 m
SPL/TPS:
ISP:
S.A. Fore:
414.63 ft2 / 38.52 m2
S.A. Main:
384.68 ft2 / 35.74 m2
S.A. Total (100% Fore + Main Triangles)
799.31 ft2 / 74.26 m2
S.A./Disp. (calc.):
23.33
Est. Forestay Len.:
55.70 ft / 16.98 m

Sailboat Links

Designers:
Builders:


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