Ufo 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 38.50 | 11.73 |
| J | 12.40 | 3.78 |
| P | 34.50 | 10.52 |
| E | 9.50 | 2.90 |
| PY | - | - |
| EY | - | - |
| ISP | 38.50 | 11.73 |
| JSP | 12.40 | 3.78 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 12.4 | 3.8 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 238.7 | 22.2 |
| Mainsail Area (Cruising) | 177 | 16.4 |
| 100% Jib + Main Sail Area | 415.7 | 38.6 |
| Cruising Spinnaker Sail Area (1.7) | 405.8 | 37.8 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 30.9 | 9.4 |
| LWL | 25.6 | 7.8 |
| Beam | 10.0 | 3.1 |
| Draft | N/A | N/A |
| Displacement | 6800 lbs. | 3084 kgs. |
| Ballast | 3395 lbs. | 1540 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.06 | 0.01 |
| Ballast / Displac. | 0.5 | 0.5 |
| Displac. / LOA | 220.06 | 328.09 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/spade rudder |
| Rig Type | Masthead Sloop |
| Designer | Holman & Pye |
| Builder | Colvic Craft (UK) |
| Construction | FG |
| Ballast Type | Iron |
| First Build | 1976 |
| Last Build | 1981 |
| # Built | N/A |