The Cobra C-5330/18 250Kv is a 250 kv motor with a 53 × 30 mm stator, weighing 649 g and rated to 70 A.
| Brand | Cobra |
|---|---|
| Model | Cobra C-5330/18 250Kv |
| kv | 250 |
| Max A | 70 |
|---|---|
| Phase resistance | 24 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 8S |
| Weight | 1.43 lb |
|---|---|
| Stator | 53×30 |
| Stator length | 30 mm |
| Max power | 1,550 W |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 2,541 | 0.85 lb | 41 W | 1.2 | 52.7 | 9.46 |
| 40 % | 3,334 | 1.47 lb | 76 W | 2.2 | 63.4 | 8.86 |
| 50 % | 4,116 | 2.27 lb | 127 W | 3.7 | 70.5 | 8.1 |
| 60 % | 4,882 | 3.23 lb | 199 W | 5.8 | 75.3 | 7.36 |
| 70 % | 5,627 | 4.33 lb | 293 W | 8.6 | 78.6 | 6.71 |
| 80 % | 6,347 | 5.55 lb | 410 W | 12.1 | 80.8 | 6.14 |
| 90 % | 7,036 | 6.88 lb | 551 W | 16.4 | 82.2 | 5.66 |
| 100 % | 7,436 | 7.72 lb | 648 W | 19.5 | 82.8 | 5.4 |