J/28 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 34.00 | 10.36 |
| J | 10.50 | 3.20 |
| P | 36.00 | 10.97 |
| E | 13.00 | 3.96 |
| PY | - | - |
| EY | - | - |
| ISP | 34.00 | 10.36 |
| JSP | 10.50 | 3.20 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 10.5 | 3.2 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 178.5 | 16.6 |
| Mainsail Area (Cruising) | 252.7 | 23.5 |
| 100% Jib + Main Sail Area | 431.2 | 40.1 |
| Cruising Spinnaker Sail Area (1.7) | 303.5 | 28.3 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 28.5 | 8.7 |
| LWL | 24.0 | 7.3 |
| Beam | 10.0 | 3.1 |
| Draft | N/A | N/A |
| Displacement | 7900 lbs. | 3583 kgs. |
| Ballast | 3000 lbs. | 1361 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.05 | 0.01 |
| Ballast / Displac. | 0.38 | 0.38 |
| Displac. / LOA | 277.19 | 411.84 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/spade rudder |
| Rig Type | Masthead Sloop |
| Designer | Rod Johnstone |
| Builder | J Boats Tillotson Pearson (USA) |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 1986 |
| Last Build | 1988 |
| # Built | 71 |