1.12 groove stator,4-poles rotor,high efficiency with low weight ,low current ang low heat

2,Use wires of high temperature endurance,hand-wound,well-arranged wire,high slot fill factor.

3.Use Neodymium iron boron rare earth magnetic steel.front and bottom oversized high quality bearings life.

4.Dynamic balancing ensures rotation stability of each motor.

5.Use Kevlar for explosion protection

6.Parameters variable on customers  demand.

Type Model	KV (RMP/V)	Magnet Poles	Battery (Li-Po) Cell	Shaft      diameter     (mm)	Unload current(A)	Internal impedance  (Ω)	Weight(g)	Connector Assembly
380	4996	4	2	3.175	2.7	0.004	138	3.5
380	3346	4	2	3.175	1.27	0.017	138	3.5
380	2510	4	2	3.175	0.83	0.032	138	3.5
380	2021	4	2	3.175	0.53	0.048	138	3.5
380	1680	4	2	3.175	0.4	0.075	138	3.5
380	1445	4	2	3.175	0.26	0.102	138	3.5