The Cobra 4120/20 480Kv is a 480 kv motor with a 41 × 20 mm stator, weighing 290 g and rated to 48 A.
| Brand | Cobra |
|---|---|
| Model | Cobra 4120/20 480Kv |
| kv | 480 |
| Max A | 48 |
|---|---|
| Phase resistance | 36 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 6S |
| Weight | 0.64 lb |
|---|---|
| Stator | 41×20 |
| Stator length | 20 mm |
| Max power | — |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,590 | 0.72 lb | 41 W | 1.6 | 69.1 | 7.93 |
| 40 % | 4,668 | 1.27 lb | 81 W | 3.1 | 76.7 | 7.12 |
| 50 % | 5,694 | 1.94 lb | 138 W | 5.4 | 80.7 | 6.35 |
| 60 % | 6,655 | 2.71 lb | 215 W | 8.6 | 82.6 | 5.7 |
| 70 % | 7,537 | 3.53 lb | 311 W | 12.6 | 83.5 | 5.16 |
| 80 % | 8,331 | 4.37 lb | 421 W | 17.5 | 83.6 | 4.71 |
| 90 % | 9,031 | 5.20 lb | 542 W | 23.1 | 83.2 | 4.35 |
| 100 % | 9,408 | 5.67 lb | 617 W | 26.8 | 82.8 | 4.17 |