Product overview
The T-MOTOR AT3520 KV550 is a long-shaft motor for fixed-wing UAVs. Its Φ43*65mm body incorporates a 12N14P slot and pole configuration, with shaft diameters of IN: 5mm and OUT: 5mm. The motor has 100mm enamelled-wire leads and weighs 218g including wires. Designed for a 4-6S LiPo battery, the KV550 has a phase-to-phase resistance of 31mΩ and draws 1.1A without load at 10V. Maximum current is 50A for 180s, with maximum continuous power of 250W for 180s.
The AT3520 long-shaft range also includes KV720 and KV850 configurations with the same motor dimensions, lead specification, slot and pole configuration, and shaft diameters. The KV720 weighs 219g including wires, operates on 4-5S LiPo batteries and has maximum power of 1300W for 180s. The KV850 weighs 221g including wires, operates on 3-4S LiPo batteries and has maximum power of 1100W for 180s. Both configurations have a maximum current of 70A for 180s.
