PSN-L Email List Message
Subject: Re: Pondering 2 stacked ring magnets = round coils
From: Brett Nordgren Brett3mr@.............
Date: Tue, 03 Jun 2008 22:35:24 -0400
Chris,
I think you are almost certainly right, that opposing magnets wouldn't
work, based on symmetry considerations. Though I still would like to see a
quick test to prove that it truly doesn't work the way I was thinking.
Brett
At 01:03 PM 6/3/2008 -0400, you wrote:
>In a message dated 2008/06/03, paleoartifact@......... writes:
>
>Hi Meredith,
>
> Sorry, but I don't understand Brett's suggestion. You would get
> the best results by adding end plates and a central core. One end would
> be a flat plate with the circular central core mounted on it. The other
> end would be an outer ring at the end of the magnets and a gap to the
> central core. This would concentrate all the magnetic flux in the
> circular gap between the central core and the end ring. The end ring
> collects most of the flux and concentrates this over the ring gap. The
> magnetic saturation of iron is about 1.6 x that which is produced by Neo
> magnets.
>
> Regards,
>
> Chris
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