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From: firstname.lastname@example.org (John Crighton)
Subject: Re: Any good uses for old microwave over parts?
X-Newsreader: Forte Free Agent 1.21/32.243
NNTP-Posting-Date: Thu, 07 Nov 2002 10:21:38 EST
Organization: OzEmail Ltd, Australia
Date: Wed, 06 Nov 2002 23:23:01 GMT
On Wed, 06 Nov 2002 14:53:23 GMT, Al wrote:
>I disassembled my old microwave oven because the interlock became
>unreliable. Otherwise everything is functional. I can see using the
>keypad controler as darkroom timer You can even use it to generate a
>duty cycle cycler; at 50% power, the output cycles on and off at a 50%
>rate. you can use it to blink some lights and the like.
>But what can be safely done with the microwave tube and supply? I once
>saw a diagram for an amatuer microwave transmitter. I even saw an ad for
>a plasma etcher that used a microwave oven as the exciter.
>Any ideas, even funny ones?
>Remove * from the address to reply.
there is a web page showing how a welder was made
using eight transformers. Secondaries rewound with
a heavy cable that snaked its way through the eight
I have used the core to make a DC choke for a
small tig welder. The "I" piece of the E and I core
is lightly welded on. This can be hack sawed through
about 1mm quite easily.
Where ever you need a transformer you have a
good sized core with a primary winding all ready
on so all you have to do is knock off the secondary
winding and fit another secondary to suit you.
Here is a spot welder website.
this site below shows how to build a spot welder
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