The Cobra C-2814/20 850Kv is a 850 kv motor with a 28 × 14 mm stator, weighing 107 g and rated to 25 A.
| Brand | Cobra |
|---|---|
| Model | Cobra C-2814/20 850Kv |
| kv | 850 |
| Max A | 25 |
|---|---|
| Phase resistance | 66 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 4S |
| Weight | 0.24 lb |
|---|---|
| Stator | 28×14 |
| Stator length | 14 mm |
| Max power | 370 W |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 4,287 | 0.20 lb | 10 W | 0.6 | 48 | 9.49 |
| 40 % | 5,617 | 0.35 lb | 17 W | 1 | 60.1 | 9.37 |
| 50 % | 6,924 | 0.53 lb | 27 W | 1.6 | 68.4 | 8.84 |
| 60 % | 8,203 | 0.76 lb | 42 W | 2.4 | 74.1 | 8.21 |
| 70 % | 9,448 | 1.01 lb | 61 W | 3.5 | 77.8 | 7.58 |
| 80 % | 10,651 | 1.30 lb | 84 W | 5 | 80.1 | 6.99 |
| 90 % | 11,805 | 1.61 lb | 113 W | 6.7 | 81.4 | 6.46 |
| 100 % | 12,476 | 1.81 lb | 133 W | 7.9 | 81.8 | 6.16 |