The J70 is a 22.74ft fractional sloop designed by Alan Johnstone and built in fiberglass by J Boats since 2012.
1100 units have been built.
The J70 is an ultralight sailboat which is a very high performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.
Main features
| Model | J70 | ||
| Length | 22.74 ft | ||
| Beam | 7.38 ft | ||
| Draft | 4.92 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
Ratios
| Sail area / displ. | 24.58 | ||
| Ballast / displ. | 35.08 % | ||
| Displ. / length | 93.16 | ||
| Comfort ratio | 9.12 | ||
| Capsize | 2.43 |
Hull
| Hull type | Monohull fin keel with transom hung rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 20.47 ft | ||
| Maximum draft | 4.92 ft | ||
| Displacement | 1790 lbs | ||
| Ballast | 628 lbs | ||
| Hull speed | 6.06 knots |
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 226 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 102.80 sq.ft | ||
| Sail area main | 123.48 sq.ft | ||
| I | 26.77 ft | ||
| J | 7.68 ft | ||
| P | 26.16 ft | ||
| E | 9.44 ft |
Engine
| Nb engines | 1 | ||
| Total power | 0 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 | Alan Johnstone | ||
| First built | 2012 | ||
| Last built | 0 | ?? | |
| Number built | 1100 |