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Subject: Re: [Homebrew_PCBs] Re: Dismantling a Microwave Oven WAS:CNC Router

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2005-04-08

On Fri, 8 Apr 2005 01:12:37 EDT, <JanRwl@...> wrote:

>
> Steve: If dismantled for parts, HOW would it be dangerous? Loose
> components and cords that once comprised a microwave oven are NOT evil
> radiators of
> deadly energy as certain evangelicals have tried to imply! I have a
> pair of
> magnet-rings from our old dead microwave on a spindle, like-poles
> facing, so
> one is held "up in the air" ("levitation") on our coffee-table. More
> than ONE
> person has picked this up, fiddled with it a bit, looked FRUSTRATEDLY
> confused and put it down, again without saying a word. Guess they
> don't want to
> expose their failure in ninth-grade general science!
> The transformer was BOBBIN-WOUND and the E-I core NOT soaked in Formvar,
> so
> customizing that big ol' transformer was straightforward! Such a "new
> one"
> would have cost at least $30! Jan Rowland


I agree, it is totally harmless as long as one does discharge the HV cap
and doesn't power on the xfmr with HV winding attached.
You can make a neat isolation transformer, and spot welding transformer,
and cnc transformer, and....
And the magnets are neat, yes.


ST