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Re: Copper toroid
Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com>
I've seen steel wool to cause plastic to rust. A simple wipe down may do it,
but will probaly inadvertently deposit body oils on it causing rather quick
corrosion to the copper.
---Eric
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, May 14, 2004 1:38 PM
Subject: Re: Copper toroid
> Original poster: "Richard Modistach" <hambone-at-dodo-dot-com.au>
>
>
> <<i've been a plumber for twenty five years and i do not care what you do
to
> > copper it will not rust >>
>
> i agree 100%
> rust is a specific term given to
> ferric compounds but is simply a type of
> metallic oxidation\corrosion.
> surface copper corrosion occurrs over time
> after polishing with steel wool, a wipe down
> to get rid of any wool 'micro' particles left on
> the copper that may rust solves any problems,
> steel wool causing copper to rust is an old wives tale.
> i've also been buffing all types of stainless steel
> with mild steel wire brushes for as long as i can
> remember and never had any rust occurr, surface
> or otherwise.
> having said that, steel wool is a poor choice for
> polishing, a chemical and mechanical cutting
> compound like brasso in aus. (*god only knows
> what it's called in the u.s.)or a straight chemical
> cutting compound like tarnoff (* see above) is
> far better, the brasso(* see above) needs elbow
> grease and will do wonders for aluminium too.
> tarnoff can be wiped on and wiped dry.
> i'll be using a 6\18" exhaust donut as the toroid
> copper plated and polished to a mirror finish.
> my primary and strike ring will be the same.
> rubbing with steel wool will remove the polish and
> take it back to a satin finish. tarnoff will do the same.
> only brasso and elbow grease or a buffing wheel
> will mirror it.
>
> regards
> richard
> aus
>
>
>
>
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Friday, May 14, 2004 7:52 AM
> Subject: Re: Copper toroid
>
>
> > Original poster: "bill wilson" <wtw-at-tampabay.rr-dot-com>
> >
> > i've been a plumber for twenty five years and i do not care what you do
to
> > copper it will not rust
> > ----- Original Message -----
> > From: "Tesla list" <tesla-at-pupman-dot-com>
> > To: <tesla-at-pupman-dot-com>
> > Sent: Wednesday, May 12, 2004 11:59 PM
> > Subject: Re: Copper toroid
> >
> >
> > > Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com>
> > >
> > > Do not steel wool copper unless u plan to solder the surface. IT
WILL
> > RUST!
> > >
> > > ---Eric
> > >
> > > ----- Original Message -----
> > > From: "Tesla list" <tesla-at-pupman-dot-com>
> > > To: <tesla-at-pupman-dot-com>
> > > Sent: Wednesday, May 12, 2004 4:06 PM
> > > Subject: Re: Copper toroid
> > >
> > >
> > > > Original poster: robert & june heidlebaugh
> > <rheidlebaugh-at-desertgate-dot-com>
> > > >
> > > > Copper works very well. Copper costs. it anneals easy , polishes
> with
> > > steel
> > > > wool and holds its color when laquered.. and solders well. It can
be
> > > turned
> > > > on a lathe, pressed or hammered into shape. Anything Al can do Cu
is
> > > better.
> > > > Robert H
> > > > --
> > > >
> > > >
> > > > > From: "Tesla list" <tesla-at-pupman-dot-com>
> > > > > Date: Tue, 11 May 2004 07:15:54 -0600
> > > > > To: tesla-at-pupman-dot-com
> > > > > Subject: Copper toroid
> > > > > Resent-From: tesla-at-pupman-dot-com
> > > > > Resent-Date: Tue, 11 May 2004 07:29:12 -0600
> > > > >
> > > > > 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
> > > > >
> > > > >
> > > >
> > >
> > >
> > >
> >
> >
> >
>
>
>
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