The MAD X4120 IPE 250kV is a 250 kv motor with a 50 × 69 mm stator, weighing 297 g and rated to 45.7 A.
| Brand | MAD |
|---|---|
| Model | MAD X4120 IPE 250kV |
| kv | 250 |
| Max A | 45.7 |
|---|---|
| Phase resistance | 82 mΩ |
| Poles | 14 |
| Maker cells | — |
| Curve pack | 10S |
| Weight | 0.65 lb |
|---|---|
| Stator | 50×69 |
| Stator length | 69 mm |
| Max power | — |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,044 | 0.68 lb | 36 W | 0.9 | 51.8 | 8.58 |
| 40 % | 3,984 | 1.17 lb | 65 W | 1.6 | 63.4 | 8.18 |
| 50 % | 4,902 | 1.78 lb | 106 W | 2.6 | 71.6 | 7.62 |
| 60 % | 5,792 | 2.51 lb | 162 W | 3.9 | 77.4 | 7.04 |
| 70 % | 6,647 | 3.32 lb | 232 W | 5.7 | 81.4 | 6.49 |
| 80 % | 7,458 | 4.21 lb | 319 W | 7.9 | 83.9 | 5.99 |
| 90 % | 8,218 | 5.14 lb | 420 W | 10.6 | 85.3 | 5.55 |
| 100 % | 8,650 | 5.72 lb | 488 W | 12.5 | 85.7 | 5.31 |