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Re: More on homebrew transformer



Original poster: "D.C. Cox by way of Terry Fritz <twftesla-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>


You are probably way ahead just buying a pole pig.  If you use sheet metal
the silicon content is too low and it won't work the best.  Also, consider
the fact you have to literally paint each single strip with insulating
varnish to prevent massive eddy current losses.

Building you own can be done but it is a tremendous waste of valuable time
considering pigs are available for under $150.

Dr. Resonance




----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, August 17, 2002 10:23 PM
Subject: More on homebrew transformer


> Original poster: "Daniel Barrett by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <dbarrett1-at-austin.rr-dot-com>
>
>     Hi List
>     I know that 'soft iron' is used to make the laminations in
transformers.
> I wonder about using the plain old garden variety sheet metal (think AC
duct
> work) from the hardware store. Can anyone quantify just how bad this stuff
> really would be for a core? I mean, if it's say 80% as good as real
> transformer iron it would still be very acceptable for TC use. This would
be
> a real easy route to go-
> db
>
>
>