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3000 turns, mmm, lets see, 1821, 1822, 1823.... what's that you say?.... oh no was that 1328 turns or 1832 turns. Oh well, unwind and start over.Oh yea, been there.
if your making your own electromagnet, its a pain in the neck. sucks, but then again not everything is nice. why do you think you get a robot to do it?
Any other ideas?I tried motor coil wire and made a vibrating orange thing with it.No lifting capacity, just got hot (as Admin predicted).And yes, when i tested the magnets inside a motor, they could lift a few (15) paperclips in a chain...