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Re: Crushing ferrite cores to make one big one?



Original poster: "gtyler" <gtyler-at-drummond-dot-org.za> 

I did try that once, but a 2" pipe, worked almost the same as the same
size air core.

George

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, February 15, 2004 1:40 AM
Subject: Re: Crushing ferrite cores to make one big one?


 > Original poster: "Virtualgod" <mike.marcum-at-zoomtown-dot-com>
 >
 >   I would guess it wouldn't work that well at 60hz, too much of a
distributed
 > air gap (would take a lot of turns on the primary/secondary to get a
 > particular reactance, too much copper losses and wasted power). Would
make a
 > nice inductor for a dc resonant coil though.
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Saturday, February 14, 2004 2:01 PM
 > Subject: Crushing ferrite cores to make one big one?
 >
 >
 >  > Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com>
 >  >
 >  > I've been on the prowl for cheap transformer cores recently and
something
 >  > just occured to me. I have TONs of ferrite cores, and they are
amazingly
 >  > cheap to obtain in large weight. what If I just took and ground
them up,
 >  > then say filled a 3 inch PVC pipe with them? I could use this as a
core
 > for
 >  > a fairly large 60 Hz transformer couldnt I? Any thoughts on this
somewhat
 >  > crazy idea?
 >  >
 >  >
 >
 >
 >