Tags: SUNNYSKY_A2218_3950KV_Outrunner_Brushless_Motor_for_450_Class_Helicopter 

Specifications:

SUNNYSKY A2218 3950KV Outrunner Brushless Motor for 450 Class Helicopter

KV 3950
Configu-ration 9N6P
Stator Diameter 22mm
STator Length 18mm
Shaft Diameter 3.17mm
Motor Dimension(Dia.﹡Len) Φ27.7×35mm
Weight(g) 67
ldle current(10)@10v(A) 2.6
No.of Cells(Lipo) 3S
Max Continuous current(A)180S 37A
Max Continuous Power(W)180S 400
Max Continuous Power(W)15S 540
Max. efficiency current (15-28A)>73%
internal resistance 20mΩ
Recommended Gear 11T/12T
Recommended Esc 45A

Includes/Requires:

Includes:
1 x motor
1 x pinion gear 12T
3 x connectors