The MAD X4125 IPE 250kV is a 250 kv motor with a 50 × 74 mm stator, weighing 345 g and rated to 47 A.
| Brand | MAD |
|---|---|
| Model | MAD X4125 IPE 250kV |
| kv | 250 |
| Max A | 47 |
|---|---|
| Phase resistance | 58 mΩ |
| Poles | 14 |
| Maker cells | 12S |
| Curve pack | 12S |
| Weight | 0.76 lb |
|---|---|
| Stator | 50×74 |
| Stator length | 74 mm |
| Max power | — |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,669 | 0.72 lb | 46 W | 0.9 | 49.3 | 7.13 |
| 40 % | 4,808 | 1.25 lb | 83 W | 1.7 | 60.9 | 6.85 |
| 50 % | 5,923 | 1.92 lb | 136 W | 2.7 | 69.3 | 6.42 |
| 60 % | 7,007 | 2.71 lb | 207 W | 4.2 | 75.3 | 5.95 |
| 70 % | 8,051 | 3.61 lb | 297 W | 6.1 | 79.4 | 5.5 |
| 80 % | 9,043 | 4.59 lb | 409 W | 8.5 | 82.2 | 5.09 |
| 90 % | 9,975 | 5.62 lb | 540 W | 11.4 | 83.9 | 4.73 |
| 100 % | 10,505 | 6.27 lb | 628 W | 13.4 | 84.5 | 4.53 |