Yet another of my pieces basically made out of old bicycle parts.
The disk of an old disc brake, an hub, a few magnets and some junked relay coils.
The result is what you can see in the video here below.
Accurately dimensioned and then electrically, magnetically and mechanically calibrated, this strange artefact seems to be able to produce the so-called "perfect watt” .... nothing more than a kilo weight dropping by a meter in ten seconds taking into rotation the "generator" thus producing exactly that "onewatt" used to light-on a few leds!



Other photos HERE