Southern Cross 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 36.50 | 11.13 |
| J | 15.50 | 4.72 |
| P | 31.50 | 9.60 |
| E | 13.50 | 4.11 |
| PY | - | - |
| EY | - | - |
| ISP | 36.50 | 11.13 |
| JSP | 15.50 | 4.72 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 15.5 | 4.7 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 282.9 | 26.3 |
| Mainsail Area (Cruising) | 229.6 | 21.3 |
| 100% Jib + Main Sail Area | 512.5 | 47.6 |
| Cruising Spinnaker Sail Area (1.7) | 480.9 | 44.8 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 31.0 | 9.5 |
| LWL | 25.0 | 7.6 |
| Beam | 9.5 | 2.9 |
| Draft | N/A | N/A |
| Displacement | 13600 lbs. | 6169 kgs. |
| Ballast | 4180 lbs. | 1896 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.04 | 0.01 |
| Ballast / Displac. | 0.31 | 0.31 |
| Displac. / LOA | 438.71 | 649.37 |
| Construction | Information |
|---|---|
| Hull Type | Long keel w/trans. hung rudder |
| Rig Type | Cutter |
| Designer | Thomas Gilmer |
| Builder | C. E. Ryder (USA) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1975 |
| Last Build | N/A |
| # Built | 150 |