Gregory's Server@freemo
Yeah. After solving the power problem, we may also need thick wire to avoid overheating or even burnout which can make this not only expensive, but also quite heavy.
But... Moving pieces are still fun!
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@freemo Yeah, it's more efficient, but minimally sufficient thickness of the wire is still a thing to determine. Also a subject for modeling and calculation... All this sounds like a very interesting engineering project.  @skobkin very doable without much advanced EE... but still a tehcnical challenge. Sure, would be fun. @freemo @skobkin being done with a small ball: https://incoherency.co.uk/blog/stories/electromagnet-grid.html @freemo |
@skobkin usually electromagnets using thin wire wth many turns