The Tempest 2221-2050Kv is a 2,050 kv motor with a 22 × 21 mm stator, weighing 86 g and rated to 58 A.
| Brand | Tempest |
|---|---|
| Model | Tempest 2221-2050Kv |
| kv | 2,050 |
| Max A | 58 |
|---|---|
| Phase resistance | 23.3 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 2S |
| Weight | 0.19 lb |
|---|---|
| Stator | 22×21 |
| Stator length | 21 mm |
| Max power | 860 W |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 4,600 | 0.32 lb | 31 W | 3.7 | 69.2 | 4.64 |
| 40 % | 5,758 | 0.52 lb | 59 W | 7 | 71.2 | 3.98 |
| 50 % | 6,750 | 0.73 lb | 96 W | 11.6 | 70.6 | 3.46 |
| 60 % | 7,578 | 0.94 lb | 139 W | 17.3 | 68.9 | 3.06 |
| 70 % | 8,255 | 1.13 lb | 186 W | 23.8 | 66.7 | 2.76 |
| 80 % | 8,797 | 1.29 lb | 233 W | 31 | 64.3 | 2.52 |
| 90 % | 9,221 | 1.43 lb | 278 W | 38.6 | 61.9 | 2.33 |
| 100 % | 9,427 | 1.50 lb | 305 W | 43.3 | 60.4 | 2.23 |