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RE: [TCML] Q,,question



WOW!  #3AWG?  Several hundred pounds??  That'll make some big coil very happy!  I've never seen Litz that big.  Where did it come from?  Do you know what gauge the strands are, as this determines the upper frequency limit.

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of johnbrooks@xxxxxxxxxxx
> Sent: Friday, December 07, 2007 11:54 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Q,,question
>
> Could be he was. It was an idea that I thought was feasible.
> I have several hundred lbs litz #3 stranded(Iknow ,,can't be tapped)
> Perhaps I will go with the 80% Litz,,20% strap. I'm looking for least
> primary turns possible for a 16"D wound w/#14 magnet for 80 inches
> secondary.
>
> Thanks for all the feedback.
> j
>
>
>
> On Thu, 6 Dec 2007 23:39:59 -0600, "David Rieben" <drieben@xxxxxxxxxxx>
> said:
> > Hi Dr. Res,
> >
> > I think Adam was being humorously sarcastic....
> >
> > David
> >
> >
> > ----- Original Message -----
> > From: "resonance" <resonance@xxxxxxxxxxxx>
> > To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> > Sent: Thursday, December 06, 2007 8:28 PM
> > Subject: Re: [TCML] Q,,question
> >
> >
> > >
> > >
> > > It seems you are completely missing the point.
> > >
> > > The point is:  Why bother with ribbon when copper tubing works better.  No
> > > additional soldering necessary.  Easy to install and easy to tap.
> > >
> > > Dr. Resonance
> > >
> > > Resonance Research Corp.
> > > www.resonanceresearch.com
> > >
> > >
> > > ----- Original Message -----
> > > From: "Yurtle Turtle" <yurtle_t@xxxxxxxxx>
> > > To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> > > Sent: Thursday, December 06, 2007 5:11 PM
> > > Subject: Re: [TCML] Q,,question
> > >
> > >
> > >> Heck, once you've gone to all the trouble to split and
> > >> flatten the tubing, it would be "simple" to solder a
> > >> AWG 10 or 8 solid wire to each edge, to avoid corona.
> > >>
> > >> Adam
> > >>
> > >> --- resonance <resonance@xxxxxxxxxxxx> wrote:
> > >>
> > >>>
> > >>>
> > >>> If you go thru all this trouble producing a copper
> > >>> ribbon you run into
> > >>> another, and more serious, problem --- corona.
> > >>>
> > >>> The edge of the ribbon is very sharp as compared to
> > >>> the well rounded surface
> > >>> of a 3/4 inch ID copper tubing.  This effect
> > >>> produces a lot of corona
> > >>> sweeping up the coil and will start to deteriorate
> > >>> the coil especially in
> > >>> high performance coils that have a spark length = or
> > >>> greater than the sec
> > >>> coil length.
> > >>>
> > >>> If you use a copper ribbon and shoot some B&W 30 sec
> > >>> time lapse photos you
> > >>> will see a large amount of nearly invisible (to the
> > >>> human eye) corona
> > >>> sweeping up the coil.  Try the same with copper
> > >>> tubing and the effect is
> > >>> very minimal.
> > >>>
> > >>> I did this experiment near 40 years ago with an old
> > >>> B&W camera, and never
> > >>> again use copper ribbon for any of my primary coils.
> > >>>  Copper tubing is the
> > >>> best and certainly the most reliable solution.
> > >>>
> > >>> Dr. Resonance
> > >>>
> > >>> Resonance Research Corp.
> > >>> www.resonanceresearch.com
> > >>>
> > >>
> > >>
> > >>
> > >>
> > >>
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