Impala 28 (Thomas) - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 31.00 | 9.45 |
| J | 9.25 | 2.82 |
| P | 33.45 | 10.20 |
| E | 11.45 | 3.49 |
| PY | - | - |
| EY | - | - |
| ISP | 31.00 | 9.45 |
| JSP | 9.25 | 2.82 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 9.3 | 2.8 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 143.4 | 13.3 |
| Mainsail Area (Cruising) | 206.8 | 19.2 |
| 100% Jib + Main Sail Area | 350.2 | 32.5 |
| Cruising Spinnaker Sail Area (1.7) | 243.7 | 22.7 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 28.0 | 8.5 |
| LWL | 23.2 | 7.1 |
| Beam | 9.3 | 2.8 |
| Draft | N/A | N/A |
| Displacement | 4300 lbs. | 1950 kgs. |
| Ballast | N/A | N/A |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.08 | 0.02 |
| Ballast / Displac. | N/A | N/A |
| Displac. / LOA | 153.57 | 229.41 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/transom hung rudder |
| Rig Type | Fractional Sloop |
| Designer | David Thomas |
| Builder | Hunter Marine Ltd. (UK) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1977 |
| Last Build | 1984 |
| # Built | 155 |