J/120 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 50.50 | 15.39 |
| J | 14.50 | 4.42 |
| P | 46.50 | 14.17 |
| E | 17.80 | 5.43 |
| PY | - | - |
| EY | - | - |
| ISP | 52.00 | 15.85 |
| JSP | 14.50 | 4.42 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 14.5 | 4.4 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 366.1 | 34 |
| Mainsail Area (Cruising) | 447 | 41.5 |
| 100% Jib + Main Sail Area | 813.1 | 75.5 |
| Cruising Spinnaker Sail Area (1.7) | 640.9 | 59.6 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 40.0 | 12.2 |
| LWL | 34.5 | 10.5 |
| Beam | 12.0 | 3.7 |
| Draft | N/A | N/A |
| Displacement | 13900 lbs. | 6305 kgs. |
| Ballast | 6000 lbs. | 2722 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.06 | 0.01 |
| Ballast / Displac. | 0.43 | 0.43 |
| Displac. / LOA | 347.5 | 516.8 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/bulb & spade rudder |
| Rig Type | Fractional Sloop |
| Designer | Johnstone |
| Builder | J Boats Tillotson Pearson (USA) |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 1999 |
| Last Build | 2006 |
| # Built | 230 |