Specification
Dimension: Φ28X452.5mm
Speed constant(KV): 2500RPM/V
Working voltage: 6-18V
Shaft extension: 13.5mm
Shaft diameter: Φ3.17mm
Weight: 142g

Features
High performance brushless motor
(it needs match the timing of brushless motor )
Useing import Selenium(Se) steel , high flux and magnetism make efficiency
It can save a lot of electric-power with the front and backball bearing;
It is the ideal part for electro aeroplane and helicopter's.