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Re: Source of free toroids(?)
Subject: Re: Source of free toroids(?)
Date: Thu, 1 May 1997 09:03:16 -0400 (EDT)
From: Chip Atkinson <chip-at-XiG-dot-com>
To: Tesla List <tesla-at-pupman-dot-com>
> Tesla List wrote:
> >
> > Subject: Source of free toroids(?)
> <SNIP>
> > 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
>
> Chip,
>
> Perhaps I misunderstood. Are you suggesting using the magnets from
> a magnetron in place of an output torroid?
Oh no. I mean as choke cores for kickback protection of the high
voltage
end of the power transformer.
My top toroids are generally big enough as you can see from my web site.
I may try ring magnets on the top though to see what happens once I get
my
coil running again.
Chip
> Just in case this is the idea, I have a few concerns. First, the output
> torroid of a TC is supposed to be a capacitive load on the circuit.
> Capacitance is directly proportional to area, which a mag magnet doesn't
> have much of. Second, a mag magnet has a strong magnetic field which
> will defifinately influence the E-field of the resonant circuit.
> I can't say that this will not work. I can only say that you would be
> going against several of the accepted parameters of an output torroid.
> This might possibly work better than anything anyone has ever tried. I
> look forward to reading of your results, should you decide to try it.
>
> Good Luck!
>
> --
>
> Rick Holland
>