 This is the Reedy 4000kV 550-SL Sensorless 4-Pole Brushless Motor. The 550-SL sensorless brushless motors are the perfect choice for an enthusiast looking to upgrade their RTR motor with one that provides increased power and improved reliability. Developed with the engineering experience that is responsible for 28 World Championship titles and incorporating the latest brushless motor technology into the design, these motors have been built with the hobbyist in mind while remaining perfectly suited to competitive on track action.
Due to the sensorless design, Reedy 550-SL Brushless Motors operate powerfully and efficiently without a complicated sensor harness. The 550-SL features a high-torque 4-pole rotor and 5mm output shaft, making it an excellent choice for the increasingly popular short-course 4WD category.
Features:
- Oversized precision ball bearings
- High-torque 4-pole rotor
- Hardened 5mm steel shaft
- Triple-insulated windings
- Sensorless operation
- 3.5mm connectors
- Completely serviceable
Specifications:
Cells: 2-3S LiPo/4-8 Cell NiMH
RPM/Volt: 4000kV
Diameter: 36mm
Length: 55mm
Weight: 200g (7.1oz)
Shaft Diameter: 5mm
Max Efficiency Current: 10-50A
Max Surge Current: 60A/60S
Internal Resistance: 6.2mΩ |
