Grampian 28 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 36.50 | 11.13 |
| J | 12.00 | 3.66 |
| P | 31.50 | 9.60 |
| E | 10.50 | 3.20 |
| PY | - | - |
| EY | - | - |
| ISP | 36.50 | 11.13 |
| JSP | 12.00 | 3.66 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 12 | 3.7 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 219 | 20.4 |
| Mainsail Area (Cruising) | 178.6 | 16.6 |
| 100% Jib + Main Sail Area | 397.6 | 36.9 |
| Cruising Spinnaker Sail Area (1.7) | 372.3 | 34.7 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 28.0 | 8.5 |
| LWL | 24.5 | 7.5 |
| Beam | 9.5 | 2.9 |
| Draft | N/A | N/A |
| Displacement | 6900 lbs. | 3130 kgs. |
| Ballast | 3060 lbs. | 1388 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.06 | 0.01 |
| Ballast / Displac. | 0.44 | 0.44 |
| Displac. / LOA | 246.43 | 368.24 |
| Construction | Information |
|---|---|
| Hull Type | Fin with rudder on skeg |
| Rig Type | Masthead Sloop |
| Designer | Rolf van der Sleen |
| Builder | Grampian Marine Ltd. (CAN) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1975 |
| Last Build | N/A |
| # Built | 107 |