HOBBYWING XRotor X13 propulsion system is designed for agricultural drones, with a thrust of 25-27kg per rotor and a maximum thrust of 57kg/rotor. It is suitable for 50mm 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.