Specially designed for multi-rotor drones, providing high efficiency, strong protection, and high reliability. Suitable for quadrotor drones with a takeoff weight of 14kg. Uses two different core stack thicknesses in order to meet different take-off load application requirements. The motor can be applied to various industrial applications such as inspection, mapping & surveying, delivery, rescue. It employs new magnetic circuit design, creating a sinusoidal motion to perfectly matched with the ESC. It adopts high quality materials and new technology. Provides strong protective capabilities, regardless of how the motor is being installed, it can effectilvely agaist dust and sand.