Most torque converters have a stall speed around 2000 - 2500 RPM. Which also happens to be the RPM range that your vehicle normally runs at cruising speed. At a lower speed you would be simply running a viscous coupling between the engine and transmission.
Then, thereâs the obvious choice: A dynamo attached to one of the bike wheels. (These devices in general are called generators, but when attached to a bike, a generator is traditionally referred to as a dynamo.
a dynamometer is a load device which is generally used for measuring the power output of an engine several kinds of dynamometers are common some of them being referred to as breaks or break dynamometers dry friction break dynamometers hydraulic or water break dynamometers and eddy current dynamometers