Duck 31 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 36.68 | 11.18 |
| J | 10.89 | 3.32 |
| P | 40.68 | 12.40 |
| E | 14.27 | 4.35 |
| PY | - | - |
| EY | - | - |
| ISP | 36.68 | 11.18 |
| JSP | 10.89 | 3.32 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 10.9 | 3.3 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 199.7 | 18.6 |
| Mainsail Area (Cruising) | 313.5 | 29.1 |
| 100% Jib + Main Sail Area | 513.2 | 47.7 |
| Cruising Spinnaker Sail Area (1.7) | 339.5 | 31.6 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 30.2 | 9.2 |
| LWL | 23.6 | 7.2 |
| Beam | 12.3 | 3.8 |
| Draft | N/A | N/A |
| Displacement | 5512 lbs. | 2500 kgs. |
| Ballast | 2300 lbs. | 1043 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.09 | 0.02 |
| Ballast / Displac. | 0.42 | 0.42 |
| Displac. / LOA | 182.52 | 271.74 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/spade rudder |
| Rig Type | Fractional Sloop |
| Designer | Massimo Paperini |
| Builder | Avallone (ITA) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1981 |
| Last Build | N/A |
| # Built | N/A |