The full project is for end of year (school year, June) Tech project, and as a ornament! I found a video of a guy, he thinks he has built a generator that outputs more than it's input, Its kind of a disk with loads of coils. His mistake is he is measuring the back emf, and so thinks because he is putting 12V in and getting 40V at various points that he has magically made a gain!
The reason i am interested is because he has wound the coils in a special way, they look very decorative and intricate. I want these coil's on a clear plastic disc in a circle,around the top. The idea is a Globe that hangs in space but turns slowly (turning is driven by the decorative coils), the good bit tho is i should be able to light the major cities on the globe, using inductive coupling from the coil's. For the levitation part i will use 2 solenoid coils, one top and one bottom. Both will have 2 hall sensor's one top one bottom, if i drive them both as push pull then it should be very stable. I have not described this at all well, i will redo it another time, mostly it's all in my head at present so hard to get it on screen.
But it should look stunning and be different from the rest, i am aiming for top prize again
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I know i still ask basic question's, some are a bit stupid and i sometimes get stuff muddled or wrong, but i am learning all kinds of things very fast now. This site has helped massively