 | The Thunder Tiger Ripper 36 series motors are designed for large-scale models, pattern, 3D planes and more. For use with airplanes from 20oz to 60oz. Each and every motor is designed for use with 2 to 5 cell (serial) lithium polymer batteries. Built on a 14-pole out runner configuration to provide extreme torque, while providing maximum efficiency. All motors feature prop adapters, mounting hardware, and aluminum propeller nut. |  |