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: Wed, 30 Apr 1997 20:38:47 -0500
• Approved: tesla-at-stic-dot-net

Subject:        Re: Source of free toroids(?)
       Date:    Wed, 30 Apr 1997 07:33:33 +1200
       From:   "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization:   Wellington Polytechnic, NZ
         To:    tesla-at-pupman-dot-com


Hello Chip,
             The ring magnets won't work at all well in my opinion. 
They are designed to have a high remanence which equals a lack of 
permeability to any signal not sufficient to demagnetize them. Also, 
they lack a distributed airgap.

Malcolm

>   From:   Chip Atkinson <chip-at-XiG-dot-com>
>     To:   tesla-at-pupman-dot-com
> 
> 
> Greetings,
> 
> I found out to my dismay that Marlin P. Jones and Assoc. is sold out of
> their large toroids.  Then an idea occurred to me that I thought I'd put
> out for comment.
> 
> 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.
> 
> Chip
> 
>

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