Otis T. Carrs U Tron Coil

Learn more here. I decided to put together a little recreation of Otis Carrs Utron coil. What I have made is basically a coreless electromagnetic that can revolve on its axis. The real utron coil had a sphere of liquid mercury inside that acted as a battery. The coil I made here however, does not have any mercury inside it. Its hollow. The coil can spin on its axis, and is also attached to an arm that can spin on a second axis. Sharing this second axis is a second arm t