The Tempest 2221-1550Kv is a 1,550 kv motor with a 22 × 21 mm stator, weighing 86 g and rated to 42 A.
| Brand | Tempest |
|---|---|
| Model | Tempest 2221-1550Kv |
| kv | 1,550 |
| Max A | 42 |
|---|---|
| Phase resistance | 34 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 2S |
| Weight | 0.19 lb |
|---|---|
| Stator | 22×21 |
| Stator length | 21 mm |
| Max power | 620 W |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,827 | 0.22 lb | 10 W | 1.1 | 49 | 10.34 |
| 40 % | 4,978 | 0.37 lb | 17 W | 1.9 | 60.2 | 10.04 |
| 50 % | 6,085 | 0.56 lb | 27 W | 3.2 | 67.2 | 9.34 |
| 60 % | 7,140 | 0.77 lb | 41 W | 4.8 | 71.3 | 8.58 |
| 70 % | 8,135 | 1.01 lb | 58 W | 6.9 | 73.7 | 7.87 |
| 80 % | 9,063 | 1.25 lb | 79 W | 9.4 | 74.8 | 7.23 |
| 90 % | 9,918 | 1.51 lb | 102 W | 12.5 | 75 | 6.68 |
| 100 % | 10,398 | 1.66 lb | 118 W | 14.5 | 74.8 | 6.38 |