The J30 is a 29.83ft fractional sloop designed by Johnstone and built in fiberglass by J Boats between 1979 and 1986.
554 units have been built.
The J30 is a moderate weight sailboat which is a good performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.
Main features
| Model | J30 | ||
| Length | 29.83 ft | ||
| Beam | 11.18 ft | ||
| Draft | 5.25 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
Ratios
| Sail area / displ. | 19.47 | ||
| Ballast / displ. | 30 % | ||
| Displ. / length | 200 | ||
| Comfort ratio | 16.42 | ||
| Capsize | 2.34 |
Hull
| Hull type | Monohull fin keel with transom hung rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 25 ft | ||
| Maximum draft | 5.25 ft | ||
| Displacement | 7000 lbs | ||
| Ballast | 2100 lbs | ||
| Hull speed | 6.70 knots |
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 444 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 196.59 sq.ft | ||
| Sail area main | 247 sq.ft | ||
| I | 34.19 ft | ||
| J | 11.50 ft | ||
| P | 38 ft | ||
| E | 13 ft |
Engine
| Nb engines | 1 | ||
| Total power | 15 HP | ||
| Fuel capacity | 0 gals |
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | J Boats | ||
| Designer | Johnstone | ||
| First built | 1979 | ||
| Last built | 1986 | ||
| Number built | 554 |