Re: Source of free toroids(?)

To: tesla-at-poodle.pupman-dot-com
Subject: Re: Source of free toroids(?)
From: Tesla List <tesla-at-stic-dot-net>
Date: Fri, 02 May 1997 23:36:14 -0500
Approved: tesla-at-stic-dot-net

Subject: Re: Source of free toroids(?)
  Date:  Thu, 1 May 1997 09:37:52 -0400
  From:  "Lord Talimar" <lordtali-at-mill.tds-dot-net>
    To:  "Tesla List" <tesla-at-pupman-dot-com>


LEVITRON?  
MAGNETRON?

(decepticon?)

I was a "Transformers" fan as a child, and it sounds like we are
re-creating the shows here.  what are these things we are talking
about???

LT
----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-poodle.pupman-dot-com
> Subject: Re: Source of free toroids(?)
> Date: Wednesday, April 30, 1997 9:34 PM
> 
> Subject:   Re: Source of free toroids(?)
>   Date:    Tue, 29 Apr 1997 17:47:09 -0700 (PDT)
>   From:    "Edward V. Phillips" <ed-at-alumni.caltech.edu>
>     To:    tesla-at-pupman-dot-com
> 
> 
> "The magnetron of a microwave oven has ring magnets made of ferrite (or
> some sort of ceramic like stuff).  Any thoughts about this source?  I
> don't see why the magnets wouldn't work, but that's why I'm asking."
>         They are absolutely NG for this purpose, but (if large enough)
> would be great for Levitron base magnets.  Wrong kind of ferrite, 
> magnetized so that the permeability is very low.  I personally think
> that air core solenoids of 10 mH and greater are the way to go, as
> they have to voltage breakdown problems and no core saturation.
> Ed
>