Alpa A9 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 36.02 | 10.98 |
| J | 10.00 | 3.05 |
| P | 31.10 | 9.48 |
| E | 11.15 | 3.40 |
| PY | - | - |
| EY | - | - |
| ISP | 36.02 | 10.98 |
| JSP | 10.00 | 3.05 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 10 | 3 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 180.1 | 16.7 |
| Mainsail Area (Cruising) | 187.3 | 17.4 |
| 100% Jib + Main Sail Area | 367.4 | 34.1 |
| Cruising Spinnaker Sail Area (1.7) | 306.2 | 28.5 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 29.8 | 9.1 |
| LWL | 22.0 | 6.7 |
| Beam | 8.9 | 2.7 |
| Draft | N/A | N/A |
| Displacement | 8598 lbs. | 3900 kgs. |
| Ballast | 3638 lbs. | 1650 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.04 | 0.01 |
| Ballast / Displac. | 0.42 | 0.42 |
| Displac. / LOA | 288.52 | 428.57 |
| Construction | Information |
|---|---|
| Hull Type | Fin Keel |
| Rig Type | Masthead Sloop |
| Designer | Illingworth & Associates |
| Builder | Alpa (ITA) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1967 |
| Last Build | 1970 |
| # Built | N/A |