K4-41: MOTOR-GENERATOR PAIR

ID Code: K4-41
Purpose: Demonstrate that a motor and a generator are the same.
Description: A pair of identical motor-generators are connected together. Cranking either one as a generator makes the other one rotate as a motor. Reversing the direction of cranking the generator reverses the direction of the motor.
Availability: Available

This is a fun experiment, but it's also popular in the real word as a way to produce generators cheaply in emergencies or without access to purpose-built equipment. An example: www.qsl.net/ns8o/Induction_Generator.html