NW 50pcs Coreless Motor 4x12mm DC 3.7V 69000RPM High Speed Model Aircraft Motor Strong Magnetic Motor for DIY Science Project

Also, the change of voltage, but also a direct impact on the speed of the motor, for example, when the voltage is 3 V, it will only turn 51000rpm. Also, the change of voltage, but also a direct impact on the speed of the motor, for example, when the voltage is 3 V, it will only turn 51000rpm.