Alien Motor BL-2808D 1971KV 28mmX25mm Brushless Outrunner for RC Plane Around 1 Meter Wingspan, 400 - 450 Class Helicopter, Quadcopter, Multicopter, The World Mod...

Specifications: Stator Diameter 22.0 mm (0.866 in) Stator Thickness 8.0 mm (0.315 in) No. of Stator Arms 12 Magnet Poles 14 Motor Wind 9 Turn Delta Motor Wire 3-Strand 0.33mm Motor Kv 1971Kv RPM/Volt No-Load Current (IO/11.1V) 0.8 Amps Motor Resistance (Rm) 0.045 Ohms Max Continuous Current 12 Amps Max Continuous Power 125 Watts Weight 48 Grams (1.68 oz) Outside Diameter 27.7 mm (1.09 in) Shaft Diameter 3 mm (0.118 in) Body Length 23.5 mm (0.933 in) Overall Shaft Length 40 mm (1.575 in) Max Lipo Cell 3s