Hobbywing M5208 HighProt Multirotor Drone Motor (320KV) \n The Hobbywing M5208 HighProt is a high-performance industrial drone motor designed for micro and small multirotors requiring endurance, stability, and reliable thrust. With advanced cooling, premium materials, and precise construction, it delivers safe and efficient power for professional UAV applications. \n \n Key Features \n Efficient Power & Thrust \n \n \n \n Maximum thrust: up to 5.4 kg (320KV version with MP21×6.3" prop at 23V) \n \n \n Recommended thrust per rotor: 1.4–1.6 kg \n \n \n Supports quadcopters with takeoff weight of 5.6–6.4 kg \n \n \n Advanced Cooling & Stability \n \n \n \n Rotor equipped with centrifugal fan for effective heat dissipation \n \n \n Semi-enclosed bracket and bottom cover with dust-proof grilles \n \n \n Reliable even in high-temperature and dusty environments \n \n \n Durability & Protective Design \n \n \n \n High-performance iron core with low-loss silicon steel sheets \n \n \n Durable alloy main shaft and high-speed precision bearings \n \n \n Nickel-plated electrophoresis casing for anti-rust and anti-corrosion protection \n \n \n NSS48 certified for enhanced reliability \n \n \n Safety & Reliability \n \n \n \n Motor shaft with cir-clip + pressure ring + screw interlocking structure prevents loosening \n \n \n Knurled shaft design eliminates free-play between shaft holes \n \n \n Built-in structural reinforcements for secure long-term operation \n \n \n Load Parameters (follow the order of our recommendations): The load parameters listed below follow the same order as the recommended propellers mentioned in this product description.