Re: Copper toroid

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Mitchell" <Electrontube-at-sbcglobal-dot-net> 

For my large SSTC,  I am going to be using a toroid covered in Copper EMI
supression foil, complete with conductive backing material.  This should
make a very nice looking, and performing toroid.

Regards - Jim Mitchell
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, May 11, 2004 10:47 PM
Subject: Re: Copper toroid


 > Original poster: Mddeming-at-aol-dot-com
 >
 > In a message dated 5/11/04 6:32:30 PM Eastern Daylight Time,
 > tesla-at-pupman-dot-com writes:
 >
 >  > Original poster: Cody Carse <cac619-at-earthlink-dot-net>
 >  > Does anyone forsee any problems with using copper as the material for
my
 >  > toroid. I found some thin copper sheets in my garage I would like to
make
 > a
 >  > toroid out of. I have never seen it used but maybe that's just because
Al
 >  > is cheaper. Thanks
 >  > Cody
 >
 > Hi Cody,
 >
 > This may or may not be significant to your particular case, but a copper
 > toroid would weigh approximately 3.3 times as much as an aluminum one of
 > the same dimensions. Copper sheet is very easily bent or dented, but can
be
 > work hardened by spinning, hammering etc., so that part in not a real
 > problem, if you're careful.
 >
 > Matt D.
 >
 >