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Flash Hobby is a manufacturer who specializing in the producing and marketing of ESC.

An electronic speed control follows a speed reference signal (derived from a throttle lever, joystick, or other manual input) and varies the switching rate of a network of field effect transistors (FETs) . By adjusting the duty cycle or switching frequency of the transistors, the speed of the motor is changed. The rapid switching of the transistors is what causes the motor itself to emit its characteristic high-pitched whine, especially noticeable at lower speeds.

Different types of speed controls are required for brushed DC motors and brushless DC motors. A brushed motor can have its speed controlled by varying the voltage on its armature. (Industrially, motors with electromagnet field windings instead of permanent magnets can also have their speed controlled by adjusting the strength of the motor field current.) A brushless motor requires a different operating principle. The speed of the motor is varied by adjusting the timing of pulses of current delivered to the several windings of the motor.

Our factory is equipped with 8 Motor Winding Machines, 3 Dynamic balancing machines, 6 Internal resistance device, 5 Multi-function tester, Flash Hobby has become a long-term and stable cooperative partner for many retailers.
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Esc is produced by our factory. As the manufacturer and supplier in China, we offer advanced Esc in high quality for wholesalers. If you want to buy, contact us for price list and we will send you quotation.