LJ4125 KV450 for fixed wing drone
● PARAMETERS
LiPo Cells:
Weight:
393+/-15
Slots/Poles:
12N14P
Max Current / Power:
Recommended ESC:
● MOTOR KV
450 KV
NOTE
Thrust performance varies by propeller, voltage, and test conditions. See the test table below.
Custom KV, appearance, and color options are available for OEM/ODM projects.
Motor Technical Drawing & Dimensions

450 Version Specifications
| Motor Diameter (mm) | 50+/-0.10 | |||
| Motor Length (mm) | 55+/-0.5 | |||
| No.of Slots/Poles | 12N14P | |||
| Motor KV (RPM/V) | 450+/-5% | |||
| Free-Load Current(A/@20V) | 3.0Max | |||
| Phase to Phase Resistance(25℃,mΩ) | 19.1+/-7% | |||
| Max continuous Current/Power(A/W@22.2V) | 80/1776 | |||
| Temperature at Max Continuous Current(℃) | 85 | |||
| Max Current/Power(A/W@22.2V) | 110/2442(15s Max) | |||
| Weight(g) | 393+/-15 | |||
| Recommended Lipo Cells | 6S | |||
| Recommended ESC | 6S/ 100A | |||
| Recommended Propeller | 15-17 inch | |||
| Maximum Operating Temperature of the Magnet (℃) | 150(Recommended Max 120℃) | |||
| Motor Torque Constant(Kt,g.cm/A) | 271 | |||
| Motor Constant (Cn,rpm/g.cm) | 0.12 | |||
450 Performance Test Data
| Motor Propeller | Throttle (%) | Voltage (V) | Thrust (g) | Current (A) | Power (W) | Effciency (g/w) |
| LJ4130 T-1710 | 30% | 21.3 | 2150 | 13.9 | 296.07 | 7.26 |
| 40% | 21.2 | 2750 | 20.6 | 436.72 | 6.30 | |
| 50% | 21.2 | 3370 | 29.5 | 625.4 | 5.39 | |
| 60% | 21.1 | 4110 | 40.5 | 854.55 | 4.81 | |
| 70% | 21.1 | 4780 | 53.0 | 1118.3 | 4.27 | |
| 80% | 21 | 5670 | 68.0 | 1428 | 3.97 | |
| 90% | 20.9 | 6280 | 85.0 | 1776.5 | 3.54 | |
| 100% | 20.9 | 7310 | 103.0 | 2152.7 | 3.40 |
450 Performance Curve




