Everybody wants a pinball machine of their own, but the problem is that those suckers tend to be pretty expensive. There’s a way around that though, if you’re determined enough; build your own out of ...
Instructables user [birdycrazy] built a winding rig from a PVC pipe and a bunch of K’Nex. He had recently started a Tesla coil project and needed an efficient way to wind the secondary coil. All of ...