Irwin 37-1 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 42.00 | 12.80 |
| J | 14.33 | 4.37 |
| P | 35.50 | 10.82 |
| E | 14.50 | 4.42 |
| PY | - | - |
| EY | - | - |
| ISP | 42.00 | 12.80 |
| JSP | 14.33 | 4.37 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 14.3 | 4.4 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 300.9 | 28 |
| Mainsail Area (Cruising) | 278 | 25.8 |
| 100% Jib + Main Sail Area | 578.9 | 53.8 |
| Cruising Spinnaker Sail Area (1.7) | 511.6 | 47.6 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 37.0 | 11.3 |
| LWL | 30.0 | 9.1 |
| Beam | 11.5 | 3.5 |
| Draft | N/A | N/A |
| Displacement | 18000 lbs. | 8165 kgs. |
| Ballast | 6700 lbs. | 3039 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.03 | 0.01 |
| Ballast / Displac. | 0.37 | 0.37 |
| Displac. / LOA | 486.49 | 722.57 |
| Construction | Information |
|---|---|
| Hull Type | Fin with rudder on skeg |
| Rig Type | Masthead Sloop |
| Designer | Ted Irwin |
| Builder | Irwin Yachts (USA) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1971 |
| Last Build | 1975 |
| # Built | N/A |