The Cobra C-4130/12 540Kv is a 540 kv motor with a 41 × 30 mm stator, weighing 398 g and rated to 65 A.
| Brand | Cobra |
|---|---|
| Model | Cobra C-4130/12 540Kv |
| kv | 540 |
| Max A | 65 |
|---|---|
| Phase resistance | 19.3 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 5S |
| Weight | 0.88 lb |
|---|---|
| Stator | 41×30 |
| Stator length | 30 mm |
| Max power | 1,440 W |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,414 | 0.50 lb | 24 W | 1.1 | 55.7 | 9.58 |
| 40 % | 4,467 | 0.87 lb | 44 W | 2 | 66.7 | 8.97 |
| 50 % | 5,493 | 1.34 lb | 74 W | 3.5 | 73.7 | 8.18 |
| 60 % | 6,481 | 1.88 lb | 115 W | 5.4 | 78.1 | 7.43 |
| 70 % | 7,422 | 2.48 lb | 166 W | 7.9 | 80.9 | 6.77 |
| 80 % | 8,307 | 3.14 lb | 229 W | 11.1 | 82.7 | 6.21 |
| 90 % | 9,127 | 3.81 lb | 301 W | 14.8 | 83.7 | 5.74 |
| 100 % | 9,589 | 4.23 lb | 349 W | 17.4 | 84 | 5.5 |