J/41

J/41 photo J/41 drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
40.90 ft / 12.47 m
LWL:
34.00 ft / 10.36 m
Beam:
13.20 ft / 4.02 m
S.A. (reported):
728.00 ft2 / 67.63 m2
Draft (max):
7.42 ft / 2.26 m
Displacement:
14,100 lb / 6,396 kg
Ballast:
6,600 lb / 2,994 kg
S.A./Disp.:
20.03
Bal./Disp.:
46.81
Disp./Len.:
160.15
Construction:
balsa sandwich hull & deck w/carbon
Ballast Type:
Lead
First Built:
1984
Last Built:
1987
# Built:
15
Builder:
J Boats Tillotson Pearson (USA)
Designer:
Rod Johnstone

Sailboat Calculations

S.A./Disp.:
20.03
Bal./Disp.:
46.81
Disp./Len.:
160.15
Comfort Ratio:
19.44
Capsize Screening Formula:
2.19
S#:
3.63

Rig and Sail Particulars

I:
52.11 ft / 15.88 m
J:
15.60 ft / 4.75 m
P:
46.00 ft / 14.02 m
E:
14.00 ft / 4.27 m
S.A. Fore:
406.46 ft2 / 37.76 m2
S.A. Main:
322.00 ft2 / 29.91 m2
S.A. Total (100% Fore + Main Triangles)
728.46 ft2 / 67.68 m2
S.A./Disp. (calc.):
20.04
Est. Forestay Len.:
54.39 ft / 16.58 m

Notes

Conceived as IOR 1 ton level racer. Also available with a fractional rig.
The masthead version usually carried more ballast.

Dimensions for fractional rig:
I: 48.00' / 14.63m
J: 13.70' / 4.18m
P: 54.30' / 16.55m
E: 19.00' / 5.79m
SA(Fore.): 328.80 ft2 / 30.55 m2
SA(Main): 515.85 ft2 / 47.92 m2
Sail Area (100% fore+main triangles): 844.65 ft2 / 78.47 m2

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