Harmony 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 38.38 | 11.70 |
| J | 12.30 | 3.75 |
| P | 32.32 | 9.85 |
| E | 11.15 | 3.40 |
| PY | - | - |
| EY | - | - |
| ISP | 38.38 | 11.70 |
| JSP | 12.30 | 3.75 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 12.3 | 3.7 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 236 | 21.9 |
| Mainsail Area (Cruising) | 194.6 | 18.1 |
| 100% Jib + Main Sail Area | 430.6 | 40 |
| Cruising Spinnaker Sail Area (1.7) | 401.3 | 37.4 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 31.2 | 9.5 |
| LWL | 24.4 | 7.5 |
| Beam | 9.2 | 2.8 |
| Draft | N/A | N/A |
| Displacement | 10582 lbs. | 4800 kgs. |
| Ballast | 4409 lbs. | 2000 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.04 | 0.01 |
| Ballast / Displac. | 0.42 | 0.42 |
| Displac. / LOA | 339.17 | 505.26 |
| Construction | Information |
|---|---|
| Hull Type | Fin Keel |
| Rig Type | Masthead Sloop |
| Designer | E. G. van de Stadt |
| Builder | Tyler Boat Co. Ltd. (UK) |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 1964 |
| Last Build | 1968 |
| # Built | 50 |