The Cobra CM-4510/28 420Kv is a 420 kv motor with a 45 × 10 mm stator, weighing 211 g and rated to 35 A.
| Brand | Cobra |
|---|---|
| Model | Cobra CM-4510/28 420Kv |
| kv | 420 |
| Max A | 35 |
|---|---|
| Phase resistance | 58 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 9S |
| Weight | 0.47 lb |
|---|---|
| Stator | 45×10 |
| Stator length | 10 mm |
| Max power | 780 W |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 4,638 | 0.26 lb | 23 W | 0.6 | 56.2 | 5.1 |
| 40 % | 6,095 | 0.46 lb | 43 W | 1.1 | 67.4 | 4.9 |
| 50 % | 7,539 | 0.73 lb | 72 W | 1.9 | 74.9 | 4.57 |
| 60 % | 8,968 | 1.06 lb | 114 W | 3 | 79.9 | 4.22 |
| 70 % | 10,378 | 1.45 lb | 169 W | 4.5 | 83.1 | 3.88 |
| 80 % | 11,763 | 1.90 lb | 241 W | 6.5 | 85.2 | 3.56 |
| 90 % | 13,120 | 2.40 lb | 331 W | 8.9 | 86.4 | 3.28 |
| 100 % | 13,923 | 2.72 lb | 395 W | 10.7 | 86.8 | 3.12 |