Irwin 28 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 35.50 | 10.82 |
| J | 11.50 | 3.51 |
| P | 31.30 | 9.54 |
| E | 12.30 | 3.75 |
| PY | - | - |
| EY | - | - |
| ISP | 35.50 | 10.82 |
| JSP | 11.50 | 3.51 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 11.5 | 3.5 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 204.1 | 19 |
| Mainsail Area (Cruising) | 207.9 | 19.3 |
| 100% Jib + Main Sail Area | 412 | 38.3 |
| Cruising Spinnaker Sail Area (1.7) | 347 | 32.3 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 28.0 | 8.5 |
| LWL | 22.5 | 6.9 |
| Beam | 8.0 | 2.4 |
| Draft | N/A | N/A |
| Displacement | 7900 lbs. | 3583 kgs. |
| Ballast | 3000 lbs. | 1361 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.05 | 0.01 |
| Ballast / Displac. | 0.38 | 0.38 |
| Displac. / LOA | 282.14 | 421.53 |
| Construction | Information |
|---|---|
| Hull Type | Fin with rudder on skeg |
| Rig Type | Masthead Sloop |
| Designer | Ted Irwin |
| Builder | Irwin Yachts (USA) |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 1970 |
| Last Build | N/A |
| # Built | N/A |