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Re: Permanent magnet Tesla coil
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- Subject: Re: Permanent magnet Tesla coil
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Sat, 20 Aug 2005 12:47:57 -0600
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Original poster: Brady Hauth <bhauth@xxxxxxxxx>
D'oh, I didn't check Wikipedia!
Your idea is closer to how it worked.
> > Thinking about the original idea some more I figured that one might be
> > able to work such a system by using a ring of magnets inside the inner
> > diameter of a toroid wrapped with wire that switches direction every
> > turn.
> Instead you could base it on this idea: If you stick a "C" shaped piece
> of iron across a bar magnet, you short it out.
> So, line up some parallel rows of bar magnets on the surface of a wood or
> plastic cylinder, with spaces between them all, and with the magnets
> oriented to form one huge magnet. Spin this device inside a hollow iron
> pipe, so the pipe shorts out the flux of each magnet. Cut slots in the
> pipe so the passing slots remove the iron shorting bars. Perhaps stick on
> some iron tabs which pass between the magnets in series, making them
> stronger. As the iron pipe rotates, first the slots line up with the
> magnets AND the iron tabs go between them end-to-end (so the array becomes
> one huge and powerful magnet.) Then the tabs move out again and the
> slots move away, so each magnet is shorted out by the iron pipe.
> Use a big pipe and put 100 parallel rows of magnets on the cylinder, and
> you get 10,000Hz output when the pipe rotates at 100Hz.
> (((((((((((((((((( ( ( ( ( (O) ) ) ) ) )))))))))))))))))))
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