Description The motors in the Hubsan H107-A23 H107D H107C drones are coreless motors with directional metal brushes. You can run them in reverse by reversing the polarity, but they run better forward. The life of metal brush inside the coreless motor can be severely limited if operated in reverse direction for extended period of times. Technical Specifications Brand: Chinese Item name: Coreless Motor Motor Length: 20.0 mm Motor Diameter: 8.5 mm Motor Shaft diameter: 1.0 mm Motor Shaft length: 4mm Cable Length: 60mm Weight: ~5.0 grams (including motor, and wires) Power input: ≤4.2V (max 5V pulsed) Battery: 1S LiPO battery Max thrust: about 40g (1pcs) No Load Speed: @3V : 35000-37000rpm, @5V : about 50000rpm Usage: for Hubsan H107-A23 H107D H107C, and for other 100mm and 110mm drones and rc helicopters (Please do your research Art of Circuits is not responsible for fitting issues with type of your drone) Documents and Downloads Package Includes 1x CCW 8520 Brushless Motor (Called motor – A comes with white and black wires) 1x CW 8520 Brushless Motor (Called motor – B comes with red and blue wires)
