J/34

1985 — 1987
Designer
Rod Johnstone
Builder
J Boats
Association
IOR 3/4 ton
# Built
25
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
33 11 / 10.4 m
Waterline Length
25 11 / 7.9 m
Beam
11 2 / 3.4 m
Draft
6 2 / 1.9 m
Displacement
8,100 lbs / 3,674 kg
Ballast
3,400 lbs / 1,542 kg (Lead)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
505 ft2 / 46.9 m2
Total Sail Area
505.1 ft2 / 46.9 m2
Mainsail
Sail Area
228 ft2 / 21.2 m2
P
37 11 / 11.6 m
E
12 0 / 3.7 m
Mast Height
?
Foresail
Sail Area
277.2 ft2 / 25.8 m2
I
43 11 / 13.4 m
J
12 7 / 3.8 m
Forestay Length
45 9 / 14 m

Auxilary Power

Make
Volvo
Model
?
HP
18
Fuel Type
Diesel
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.83 knots
Sail Area/Displacement
20.03
high performance
Ballast/Displacement
41.98
stiffer, more powerful
Displacement/Length
205.74
moderate
Comfort Ratio
17.52
lightweight racing boat
Capsize Screening
2.23
better suited for coastal cruising

Notes

Designed as IOR 3/4 ton level racer.


For Sale

Have a sailboat to sell?
List it for free and it will show up here.

Subscribe

Get occassional updates about new features or featured sailboats.
You can opt out or contact us any time.