The Neumotor 4638/7.5/125 is a 125 kv motor with a 46 × 38 mm stator, weighing 445 g and rated to 72 A.
| Brand | Neumotor |
|---|---|
| Model | 4638/7.5/125 |
| kv | 125 |
| Max A | 72 |
|---|---|
| Phase resistance | 134 mΩ |
| Poles | 22 |
| Maker cells | — |
| Curve pack | 12S |
| Weight | 0.98 lb |
|---|---|
| Stator | 46×38 |
| Stator length | 38 mm |
| Max power | — |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 1,774 | 1.49 lb | 76 W | 1.5 | 75.5 | 8.94 |
| 40 % | 2,295 | 2.59 lb | 153 W | 3.1 | 79.4 | 7.65 |
| 50 % | 2,784 | 3.91 lb | 267 W | 5.4 | 81 | 6.65 |
| 60 % | 3,235 | 5.40 lb | 416 W | 8.6 | 81.2 | 5.89 |
| 70 % | 3,642 | 6.97 lb | 596 W | 12.6 | 80.9 | 5.3 |
| 80 % | 4,002 | 8.53 lb | 798 W | 17.4 | 80.2 | 4.85 |
| 90 % | 4,314 | 10.01 lb | 1013 W | 22.8 | 79.3 | 4.48 |
| 100 % | 4,480 | 10.85 lb | 1145 W | 26.3 | 78.7 | 4.3 |