J/70 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 26.77 | 8.16 |
| J | 7.68 | 2.34 |
| P | 26.16 | 7.97 |
| E | 9.44 | 2.88 |
| PY | - | - |
| EY | - | - |
| ISP | 30.15 | 9.19 |
| JSP | 7.68 | 2.34 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 7.7 | 2.3 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 102.8 | 9.6 |
| Mainsail Area (Cruising) | 133.4 | 12.4 |
| 100% Jib + Main Sail Area | 236.2 | 21.9 |
| Cruising Spinnaker Sail Area (1.7) | 196.8 | 18.4 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 22.7 | 6.9 |
| LWL | 20.5 | 6.2 |
| Beam | 7.4 | 2.3 |
| Draft | N/A | N/A |
| Displacement | 1790 lbs. | 812 kgs. |
| Ballast | 628 lbs. | 285 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.13 | 0.03 |
| Ballast / Displac. | 0.35 | 0.35 |
| Displac. / LOA | 78.85 | 117.68 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/transom hung rudder |
| Rig Type | Fractional Sloop |
| Designer | Alan Johnstone |
| Builder | J Boats (USA) |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 2012 |
| Last Build | N/A |
| # Built | 1100 |