J40
The J40 is a 40.0ft masthead sloop designed by Johnstone and built in fiberglass by J Boats between 1984 and 1993.
85 units have been built.
The J40 is a moderate weight sailboat which is a reasonably good performer. It is stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser. The fuel capacity is originally small. There is a short water supply range.
J40 for sale elsewhere on the web:
Main features
| Model | J40 | ||
| Length | 40 ft | ||
| Beam | 12.17 ft | ||
| Draft | 6.50 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 17.89 | ||
| Ballast / displ. | 36.11 % | ||
| Displ. / length | 204.45 | ||
| Comfort ratio | 27.86 | ||
| Capsize | 1.86 |
Hull
| Hull type | Monohull fin keel with spade rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 34 ft | ||
| Maximum draft | 6.50 ft | ||
| Displacement | 18000 lbs | ||
| Ballast | 6500 lbs | ||
| Hull speed | 7.81 knots |
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Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 765 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 367.50 sq.ft | ||
| Sail area main | 397.80 sq.ft | ||
| I | 50 ft | ||
| J | 14.70 ft | ||
| P | 44.20 ft | ||
| E | 18 ft |
Engine
| Nb engines | 1 | ||
| Total power | 43 HP | ||
| Fuel capacity | 33 gals |
Accommodations
| Water capacity | 60 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | J Boats | ||
| Designer | Johnstone | ||
| First built | 1984 | ||
| Last built | 1993 | ||
| Number built | 85 |