Cal 21 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 23.00 | 7.01 |
| J | 8.50 | 2.59 |
| P | 23.00 | 7.01 |
| E | 8.50 | 2.59 |
| PY | - | - |
| EY | - | - |
| ISP | 23.00 | 7.01 |
| JSP | 8.50 | 2.59 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 8.5 | 2.6 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 97.8 | 9.1 |
| Mainsail Area (Cruising) | 105.6 | 9.8 |
| 100% Jib + Main Sail Area | 203.3 | 18.9 |
| Cruising Spinnaker Sail Area (1.7) | 166.2 | 15.5 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 20.5 | 6.3 |
| LWL | 16.7 | 5.1 |
| Beam | 6.7 | 2.0 |
| Draft | 0.8 | 0.2 |
| Displacement | 1100 lbs. | 499 kgs. |
| Ballast | 360 lbs. | 163 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.18 | 0.04 |
| Ballast / Displac. | 0.33 | 0.33 |
| Displac. / LOA | 53.66 | 79.21 |
| Construction | Information |
|---|---|
| Hull Type | Swing Keel |
| Rig Type | Fractional Sloop |
| Designer | C. William Lapworth |
| Builder | Jensen Marine (USA) |
| Construction | FG |
| Ballast Type | Iron |
| First Build | 1969 |
| Last Build | 1972 |
| # Built | 500 |