HOBBYWING XRotor X15 propulsion system is designed for agricultural drones, with a thrust of 32.5-37.5kg per rotor and a maximum thrust of 72kg/rotor. It is suitable for 60mm carbon fiber tube arms and is IPX6 waterproof, capable of withstanding rain, pesticides, salt spray, high temperatures, sand, dust, impacts, and mud. Featuring FOC vector control and algorithm optimization, the system combines digital and analog throttle for increased flight stability, plus safety functions such as voltage abnormality protection, over-current protection, stall protection, and others; all data is transmitted via CAN, and faults are logged for better analysis. *Propellers are sold separately Specifications KV: 45KV Battery: 18S Throttle PWM+CAN Rated power Input / Output 5000W / 4400W Takeoff Weight of Quadrotor 32.5-37.5kg Max Thrust: 72kg Throttle pulse width 1050-1950μs(Solidified) BEC None Protocol version HWCAN+DroneCAN Prop: 63*24"