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.
THE COPHENHAGEN WHEEL. Smart, responsive and elegant, the Copenhagen Wheel is a new emblem. for urban mobility. It transforms ordinary bicycles quickly into hybrid e-bikes that also. function as mobile sensing units. The Copenhagen Wheel allows you to capture. the energy dissipated while cycling and braking and save it for when you need.