J/124

J/124 photo J/124 drawing

Sailboat Specifications


Hull Type:
Fin w/bulb & spade rudder
Rigging Type:
Fractional Sloop
LOA:
40.70 ft / 12.41 m
LWL:
36.20 ft / 11.03 m
S.A. (reported):
754.00 ft2 / 70.05 m2
Beam:
11.33 ft / 3.45 m
Draft (max):
6.90 ft / 2.10 m
Draft (min):
Displacement:
12,600 lb / 5,715 kg
Ballast:
5,000 lb / 2,268 kg
S.A./Disp.:
22.36
Bal./Disp.:
39.68
Disp./Len.:
118.58
Construction:
FG
Ballast Type:
Lead
First Built:
2002
Last Built:
2007
# Built:
35
Builder:
J Boats
Designer:
R. Johnstone
Website:

Auxiliary Power/Water (orig. equip.)

Make:
Yanmar
Model:
3JH4E
Type:
Diesel
HP:
40
Water:
35 gals.
Fuel:
25 gals.

Sailboat Calculations

S.A./Disp.:
22.36
Bal./Disp.:
39.68
Disp./Len.:
118.58
Comfort Ratio:
20.45

Rig and Sail Particulars

I:
49.00 ft / 14.94 m
J:
14.00 ft / 4.27 m
P:
48.40 ft / 14.75 m
E:
17.00 ft / 5.18 m
SPL/TPS:
ISP:
54.70 ft / 16.67 m
S.A. Fore:
343.00 ft2 / 31.87 m2
S.A. Main:
411.40 ft2 / 38.22 m2
S.A. Total (100% Fore + Main Triangles)
754.40 ft2 / 70.09 m2
S.A./Disp. (calc.):
22.37
Est. Forestay Len.:
50.96 ft / 15.53 m

Sailboat Links

Designers:
Builders:


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