American 21 Ami - Sailboat Data & Rig Dimensions
| Rig Dimensions | Imperial | Metric |
|---|---|---|
| I | 25.00 | 7.62 |
| J | 8.50 | 2.59 |
| P | 23.00 | 7.01 |
| E | 7.80 | 2.38 |
| PY | - | - |
| EY | - | - |
| ISP | 25.00 | 7.62 |
| JSP | 8.50 | 2.59 |
| Description | Imperial | Metric |
|---|---|---|
| Forestay Length | 8.5 | 2.6 |
| Sail Areas | Imperial | Metric |
|---|---|---|
| 100% Jib Sail Area | 106.3 | 9.9 |
| Mainsail Area (Cruising) | 96.9 | 9 |
| 100% Jib + Main Sail Area | 203.1 | 18.9 |
| Cruising Spinnaker Sail Area (1.7) | 180.6 | 16.9 |
| Dimensions | Imperial | Metric |
|---|---|---|
| LOA | 20.8 | 6.3 |
| LWL | 17.7 | 5.4 |
| Beam | 7.8 | 2.4 |
| Draft | N/A | N/A |
| Displacement | 2500 lbs. | 1134 kgs. |
| Ballast | 900 lbs. | 408 kgs. |
| Ratios | Imperial | Metric |
|---|---|---|
| Sail Area / Displac. | 0.08 | 0.02 |
| Ballast / Displac. | 0.36 | 0.36 |
| Displac. / LOA | 120.19 | 180 |
| Construction | Information |
|---|---|
| Hull Type | Fin w/transom hung rudder |
| Rig Type | Masthead Sloop |
| Designer | Arthur S. Henry |
| Builder | American Mariner Industries (USA) |
| Construction | FG |
| Ballast Type | N/A |
| First Build | 1979 |
| Last Build | N/A |
| # Built | N/A |