What is the KV value of UAV model motor? What is the use of model aircraft motor winding machine

Today's UAV model, most of the use of brushless motor, brushless motor has sufficient power, long life and high efficiency advantages, brushless motor and brush motor is different, brushless motor has three wires, and with the use of electric regulation.
 

One of the important parameters of brushless motor is KV value. This value is the unique performance parameter of the brushless motor, and is an important data to judge the performance characteristics of the brushless motor.

The KV value of a brushless motor is defined as speed/volt, which means that the idling speed of the brushless motor increases by 1 volt (RPM) when the input voltage increases.
According to this definition, we can know that the voltage input of a brushless motor and the idling speed of the motor follow a strict linear proportional relationship.

For example: a brushless motor has a KV value of 1000KV, which means that the motor rotates at 1000 revolutions per minute at a voltage of 1V. At 10V voltage, the motor speed is: 10V x 1000KV = 10000r/min, of course, these are done when the brushless motor is unloaded.

Speaking here, we have to talk about the winding problem of model aircraft brushless motor, in general, if the quantity is large, it is completed by using model aircraft motor winding machine, Noryuan simo, double station, four station external winding machine, specially for model aircraft, drones, pinion, plant protection machinery and other winding, not only the winding effect is good, but also can achieve mass production. Part-time is a boon to the drone motor industry.


For a specific drone motor, the number of winding is generally fixed, we can not arbitrarily increase and reduce the number of winding when using the model motor winding machine, because this will affect the change of KV value, what is the specific situation?