Westerly Longbow 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 38.00 | 11.58 |
| J | 11.17 | 3.40 |
| P | 31.75 | 9.68 |
| E | 10.00 | 3.05 |
| PY | - | - |
| EY | - | - |
| ISP | 38.00 | 11.58 |
| JSP | 11.17 | 3.40 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 11.2 | 3.4 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 212.2 | 19.7 |
| Mainsail Area (Cruising) | 171.5 | 15.9 |
| 100% Jib + Main Sail Area | 383.7 | 35.6 |
| Cruising Spinnaker Sail Area (1.7) | 360.8 | 33.6 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 31.0 | 9.5 |
| LWL | 25.0 | 7.6 |
| Beam | 9.5 | 2.9 |
| Draft | N/A | N/A |
| Displacement | 9400 lbs. | 4264 kgs. |
| Ballast | 4200 lbs. | 1905 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.04 | 0.01 |
| Ballast / Displac. | 0.45 | 0.45 |
| Displac. / LOA | 303.23 | 448.84 |
| Construction | Information |
|---|---|
| Hull Type | Fin with rudder on skeg |
| Rig Type | Masthead Sloop |
| Designer | Laurent Giles |
| Builder | Westerly Marine Ltd. (UK) |
| Construction | FG w/balsa cored deck |
| Ballast Type | N/A |
| First Build | 1972 |
| Last Build | 1980 |
| # Built | 265 |