Spencer 31-1 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 37.00 | 11.28 |
| J | 12.50 | 3.81 |
| P | 31.00 | 9.45 |
| E | 13.50 | 4.11 |
| PY | - | - |
| EY | - | - |
| ISP | 37.00 | 11.28 |
| JSP | 12.50 | 3.81 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 12.5 | 3.8 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 231.3 | 21.5 |
| Mainsail Area (Cruising) | 226 | 21 |
| 100% Jib + Main Sail Area | 457.2 | 42.5 |
| Cruising Spinnaker Sail Area (1.7) | 393.1 | 36.6 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 31.0 | 9.5 |
| LWL | 24.0 | 7.3 |
| Beam | 9.2 | 2.8 |
| Draft | N/A | N/A |
| Displacement | 9000 lbs. | 4082 kgs. |
| Ballast | 3450 lbs. | 1565 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.05 | 0.01 |
| Ballast / Displac. | 0.38 | 0.38 |
| Displac. / LOA | 290.32 | 429.68 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/spade rudder |
| Rig Type | Masthead Sloop |
| Designer | John Brandlmayr |
| Builder | Spencer Boats |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1966 |
| Last Build | N/A |
| # Built | 24 |