This is a mini DC motor running at 12~24 volts with 13000~26000 RPM range.
8520 8.5x20mm Magnetic Micro Coreless Motor is lightweight brushed DC coreless motors are the best choice for your small drone, offering you an excellent affordable price when compared with costly BLDC motors. This 8520 Magnetic Micro Coreless Motor for Micro FPV RC Quadcopter is very compact and lightweight DC motor nicely crafted for perfectly matching with your small 100mm like multirotor frames. They are rated at 39000 RPM which is more than needed to lift and push your drone to the target. These are less noisy with low resistance. The only drawback of using coreless is the amount of torque they provide, as they are High Speed and Low Torque motor
