Helmsman 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 39.53 | 12.05 |
| J | 11.98 | 3.65 |
| P | 34.45 | 10.50 |
| E | 9.02 | 2.75 |
| PY | - | - |
| EY | - | - |
| ISP | 39.53 | 12.05 |
| JSP | 11.98 | 3.65 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 12 | 3.7 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 236.8 | 22 |
| Mainsail Area (Cruising) | 167.8 | 15.6 |
| 100% Jib + Main Sail Area | 404.6 | 37.6 |
| Cruising Spinnaker Sail Area (1.7) | 402.5 | 37.5 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 30.5 | 9.3 |
| LWL | 22.0 | 6.7 |
| Beam | 9.9 | 3.0 |
| Draft | N/A | N/A |
| Displacement | 7385 lbs. | 3350 kgs. |
| Ballast | 3086 lbs. | 1400 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.05 | 0.01 |
| Ballast / Displac. | 0.42 | 0.42 |
| Displac. / LOA | 242.13 | 360.22 |
| Construction | Information |
|---|---|
| Hull Type | Fin Keel |
| Rig Type | Masthead Sloop |
| Designer | Håkan Södergren |
| Builder | Helmsman Yachts (DEN) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1973 |
| Last Build | N/A |
| # Built | 40 |