FPV motor manufacturing solutions

With the rapid development and popularization of the drone industry, a new sport was born - it is the FPV flying machine. The racing FPV ride-through motor is a motor specially designed for racing drones. It has the characteristics of high speed, large thrust, lightweight and compact design.

The FPV ride-through machine consists of the following basic systems: the frame and the motor form the power system; the battery and ESC form the power supply system; the flight controller and the receiver form the control system; the image transmission, antenna, and camera form the image transmission system (below Referred to as image transmission system). In addition, there are many expansion parts, such as GPS module, card recording camera, etc.

The brushless motors used on model aircraft are generally three-phase external rotor brushless motors.

Three-phase: The motor has three leads, and the ESC inputs alternating current through the three wires (the brushless motor steering can be changed by exchanging any two of the three wires) to control the motor speed.

Outer rotor: The rotating part is exposed (a shell containing permanent magnets and fixed magnets), and the stator (wire coil) is inside. The rotor and stator are connected using bearings.

Brushless motor options:

The motor provides the pulling force required for FPV traversal drone flight. Generally speaking, the motor of an FPV traversing machine has greater pulling force and consumes more power than the motor of a drone of the same size. Therefore, the motor is one of the main reasons why the traversing machine is fast and has a short endurance. If the pulling force is too small, it will not fly/short endurance, and if the pulling force is too large, it will be difficult to control. Therefore, it is recommended to use a motor that matches the frame size. Of course, if you can control the throttle well (compared to the power consumption of a large motor and a small motor, the torque is greater at the same speed and the power consumption is less at the same pulling force), it can leave a lot of electricity for you.

Moreover, all kinds of motors basically have power efficiency meters, and you can see various parameters of the motor: manufacturing specifications, mounting hole positions, propellers, current, pulling force, etc.

The maximum static pulling force is greater than or equal to 1.3 times the total weight of the aircraft, mainly because the dynamic pulling force during flight will always be less than the static pulling force, but the maximum static pulling force is preferably less than 2 times the total weight of the aircraft, because the weight of the high-pull brushless motor itself is not small.

Selection of motor KV value. The higher the KV value, the higher the motor speed at the same voltage. Therefore, high KV must be matched with a small diameter propeller, or use a lower voltage to prevent overheating and burning.

Generally speaking, the lower the KV value, the higher the operating voltage and the higher the motor efficiency, but 6S is generally the highest voltage for medium-sized FPV fixed wings

Finally, the appropriate motor and propeller size must be selected according to the aircraft model. For example, some twin-engine models only support a maximum of 8-inch propellers.

Ningbo Nide Machanical Equipment Co., Ltd. has rich motor manufacturing experience and provides customers with various types of motor manufacturing solutions, including drone motor manufacturing lines, FPV traversing machine motor manufacturing and assembly equipment, outer rotor manufacturing lines, and hub motors. Manufacturing production lines, etc.

Our FPV ride-through motor manufacturing and assembly line includes a rotor manufacturing line, a stator manufacturing line, and an FPV motor assembly line. If you want to know more about drone motor manufacturing solutions, please feel free to contact us.