J/90

J/90 photo J/90 drawing

Sailboat Specifications


Hull Type:
Fin w/bulb & spade rudder
Rigging Type:
Fractional Sloop
LOA:
30.20 ft / 9.20 m
LWL:
27.00 ft / 8.23 m
Beam:
8.50 ft / 2.59 m
S.A. (reported):
447.00 ft2 / 41.53 m2
Draft (max):
6.50 ft / 1.98 m
Displacement:
3,300 lb / 1,497 kg
Ballast:
1,860 lb / 844 kg
S.A./Disp.:
32.35
Bal./Disp.:
56.36
Disp./Len.:
74.85
Construction:
FG
Ballast Type:
Lead
First Built:
1997
Last Built:
1998
# Built:
5
Builder:
J/Boats (USA)
Designer:
Johnstone

Sailboat Calculations

S.A./Disp.:
32.35
Bal./Disp.:
56.36
Disp./Len.:
74.85
Comfort Ratio:
10.54
Capsize Screening Formula:
2.29
S#:
7.24

Rig and Sail Particulars

I:
35.60 ft / 10.85 m
J:
10.50 ft / 3.20 m
P:
35.85 ft / 10.93 m
E:
14.50 ft / 4.42 m
S.A. Fore:
186.90 ft2 / 17.36 m2
S.A. Main:
259.91 ft2 / 24.15 m2
S.A. Total (100% Fore + Main Triangles)
446.81 ft2 / 41.51 m2
S.A./Disp. (calc.):
32.34
Est. Forestay Len.:
37.12 ft / 11.31 m

Notes

A single purpose race boat that was only in production for 1 year.

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