Islander 21 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 26.50 | 8.08 |
| J | 7.70 | 2.35 |
| P | 22.50 | 6.86 |
| E | 10.00 | 3.05 |
| PY | - | - |
| EY | - | - |
| ISP | 26.50 | 8.08 |
| JSP | 7.70 | 2.35 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 7.7 | 2.3 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 102 | 9.5 |
| Mainsail Area (Cruising) | 121.5 | 11.3 |
| 100% Jib + Main Sail Area | 223.5 | 20.8 |
| Cruising Spinnaker Sail Area (1.7) | 173.4 | 16.2 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 20.8 | 6.4 |
| LWL | 18.0 | 5.5 |
| Beam | 7.8 | 2.4 |
| Draft | N/A | N/A |
| Displacement | 1950 lbs. | 885 kgs. |
| Ballast | 1000 lbs. | 454 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.11 | 0.02 |
| Ballast / Displac. | 0.51 | 0.51 |
| Displac. / LOA | 93.75 | 138.28 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/spade rudder |
| Rig Type | Masthead Sloop |
| Designer | J. H. McGlasson |
| Builder | McGlasson Marine/Wayfarer Yachts Corp. (USA) |
| Construction | FG |
| Ballast Type | Iron |
| First Build | 1965 |
| Last Build | N/A |
| # Built | N/A |