RC 4000KV Brushless Motor & 30A ESC Flight Time_10-15min 9 class screw

9 class screw

small power appliances such as mouse and remote control can still be used

Features:This product adopts imported components

Used in conjunction with the remote control

Various flight modes: high-fixed

RC 4000KV Brushless Motor & 30A ESC Flight Time_10-15min 9 class screwFeatures: The Brushless Motor is special one for the electirc helicopter 450 class, it has the best performance for 3D fly. It will your best choice the 450 calss Helicopter. No. Of cells: 3 4x Li Poly RPM V: 4000 Max. efficiency current: 8 10. 5 A (>75%) No load current 10 V: 0,5 A Specifications: Current capacity: 40 A 60 s Dimensions: 31 x 29 mm Shaft diameter: 3. 17mm Weight: 64 g Recommended model weight: 450 class Ele. Heli. Recommended prop