Tonic-X Z20A 1700KV Brushless Outrunner Motor with Fan
Z20A 1700kv
New A model with redesigned core. Very high torque and cool running. Good choice for any 400-550 size helicopters, recommend using on 4S to 5S lipo battery or 5S to 6S on A123 batteries
Specification:
KV: 1700 Motor size: ?43mm, L 50mm Shaft Diameter: 5mm Shaft Length: 22mm Max Amps (A): 55 Max Surge Amps (A): 75 Max Eff: 90% Poles: 8 Weight: 211g