American 21 - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 25.10 | 7.65 |
| J | 8.25 | 2.51 |
| P | 23.10 | 7.04 |
| E | 7.75 | 2.36 |
| PY | - | - |
| EY | - | - |
| ISP | 25.10 | 7.65 |
| JSP | 8.25 | 2.51 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 8.3 | 2.5 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 103.5 | 9.6 |
| Mainsail Area (Cruising) | 96.7 | 9 |
| 100% Jib + Main Sail Area | 200.2 | 18.6 |
| Cruising Spinnaker Sail Area (1.7) | 176 | 16.4 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 21.0 | 6.4 |
| LWL | 17.7 | 5.4 |
| Beam | 8.0 | 2.4 |
| Draft | 1.5 | 0.5 |
| Displacement | 2200 lbs. | 998 kgs. |
| Ballast | 550 lbs. | 249 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.09 | 0.02 |
| Ballast / Displac. | 0.25 | 0.25 |
| Displac. / LOA | 104.76 | 155.94 |
| Construction | Information |
|---|---|
| Hull Type | Lifting Keel |
| Rig Type | Masthead Sloop |
| Designer | Ron Bertholf |
| Builder | American Fiberglass Corp. |
| Construction | FG |
| Ballast Type | Lead |
| First Build | 1973 |
| Last Build | N/A |
| # Built | N/A |