Lapworth 40 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 45.50 | 13.87 |
| J | 15.50 | 4.72 |
| P | 39.00 | 11.89 |
| E | 16.20 | 4.94 |
| PY | - | - |
| EY | - | - |
| ISP | 45.50 | 13.87 |
| JSP | 15.50 | 4.72 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 15.5 | 4.7 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 352.6 | 32.8 |
| Mainsail Area (Cruising) | 341.2 | 31.7 |
| 100% Jib + Main Sail Area | 693.8 | 64.5 |
| Cruising Spinnaker Sail Area (1.7) | 599.5 | 55.8 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 40.0 | 12.2 |
| LWL | 28.0 | 8.5 |
| Beam | 11.0 | 3.4 |
| Draft | N/A | N/A |
| Displacement | 17800 lbs. | 8074 kgs. |
| Ballast | N/A | N/A |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.04 | 0.01 |
| Ballast / Displac. | N/A | N/A |
| Displac. / LOA | 445 | 661.8 |
| Construction | Information |
|---|---|
| Hull Type | Fin Keel |
| Rig Type | Masthead Sloop |
| Designer | C. William Lapworth |
| Builder | N/A |
| Construction | Wood |
| Ballast Type | N/A |
| First Build | 1960 |
| Last Build | N/A |
| # Built | N/A |