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.
Low-Maintenance Eddy Current Engine Dynamometers A precise, low-maintenance, rapid response and repeatable alternative to water brake technology, Taylorâs Eddy Current Engine Dynos provide low-inertia, air- or water-cooled operation for testing engines up to 966 hp (720 kW) in a range of markets.