Allmand 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 41.00 | 12.50 |
| J | 12.00 | 3.66 |
| P | 34.40 | 10.49 |
| E | 12.50 | 3.81 |
| PY | - | - |
| EY | - | - |
| ISP | 41.00 | 12.50 |
| JSP | 12.00 | 3.66 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 12 | 3.7 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 246 | 22.9 |
| Mainsail Area (Cruising) | 232.2 | 21.6 |
| 100% Jib + Main Sail Area | 478.2 | 44.4 |
| Cruising Spinnaker Sail Area (1.7) | 418.2 | 38.9 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 30.8 | 9.4 |
| LWL | 27.9 | 8.5 |
| Beam | 11.3 | 3.5 |
| Draft | N/A | N/A |
| Displacement | 11100 lbs. | 5035 kgs. |
| Ballast | 4300 lbs. | 1950 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.04 | 0.01 |
| Ballast / Displac. | 0.39 | 0.39 |
| Displac. / LOA | 360.39 | 535.64 |
| Construction | Information |
|---|---|
| Hull Type | Fin with rudder on skeg |
| Rig Type | Masthead Sloop |
| Designer | Walter Scott & T. R. Allmand |
| Builder | Allmand Boats Inc. (USA) |
| Construction | FG |
| Ballast Type | Lead or Iron |
| First Build | 1978 |
| Last Build | 1985 |
| # Built | N/A |