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Introduction of the Drones' Power System (Motor and Electronic Speed Controller)

The Most Strongest Drone Motor: The types of motors includes brush motor and brushless motor, electronic speed controller (for short, we can call it electronic controller). The power of electronic aircraft mainly refers to 2 components: one is the motor, and another is the electronic controller.

The function of the electronic controller is to control the speed controller. But the earlier speed controller worked by using a steering gear to control the adjustable resistance dial. This kind of controller was known as the mechanical speed controller. It has now withdrawn from the history stage. We can only see the photos in a few carton boxes or instructions. Now what we say the speed controller is an electronic speed controller, in short, the electronic controller, according to the types, the abbreviated ESC can be divided into brushing power and brushless power one. That is, combine the brush electronic controller with brush motor, and combine the brushless electric one with brushless motor.

The brush motor: In the early time, when fix the magnet on the housing or the base of the motor and then it becomes a stator. We call it motors. Then when wind coils, it  becomes a rotor. The model vehicle with brush motor is usually 3 sets of winding coils. The most basic parts of brushless motor include the stator, rotor and carbon brush. The brush motor is also called carbon brush motor.

The carbon brush contacts the copper which is on the winding coils, which allows the motor to rotate. However, due to the high-speed rotation, the carbon brush will suffer the abrasion. So after the carbon brush is used up, the it needs to be replaced in the brush motors. But the copper head will also wear out. Therefore in the era of carbon brush competition motor, besides replacing the carbon brush, we need to polish the copper head to keep it smooth. After changing the carbon brush, we also need to polish and maximize the contact area between the carbon brush and the copper head, so as to increase the speed and torque of the motor by maximizing the current.
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