J/40

J/40 drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
40.00 ft / 12.19 m
LWL:
34.00 ft / 10.36 m
Beam:
12.17 ft / 3.71 m
S.A. (reported):
765.00 ft2 / 71.07 m2
Draft (max):
6.50 ft / 1.98 m
Displacement:
18,000 lb / 8,165 kg
Ballast:
6,500 lb / 2,948 kg
S.A./Disp.:
17.89
Bal./Disp.:
36.11
Disp./Len.:
204.45
Construction:
FG
Ballast Type:
Lead
First Built:
1984
Last Built:
1993
# Built:
85
Builder:
J Boats Tillotson Pearson (USA)
Designer:
Johnstone

Auxiliary Power/Tanks (orig. equip.)

Make:
Volvo
Type:
Diesel
HP:
43
Fuel:
33 gals / 125 L

Sailboat Calculations

S.A./Disp.:
17.89
Bal./Disp.:
36.11
Disp./Len.:
204.45
Comfort Ratio:
27.86
Capsize Screening Formula:
1.86
S#:
2.76

Rig and Sail Particulars

I:
50.00 ft / 15.24 m
J:
14.70 ft / 4.48 m
P:
44.20 ft / 13.47 m
E:
18.00 ft / 5.49 m
S.A. Fore:
367.50 ft2 / 34.14 m2
S.A. Main:
397.80 ft2 / 36.96 m2
S.A. Total (100% Fore + Main Triangles)
765.30 ft2 / 71.10 m2
S.A./Disp. (calc.):
17.90
Est. Forestay Len.:
52.12 ft / 15.88 m

Accommodations

Water:
60 gals / 227 L

Notes

Draft-wing keel: 5.40'/1.65m
Shallow draft fin: 5.00'/1.52m

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