Re: strap primaries

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

Original poster: "Nick Andrews by way of Terry Fritz <twftesla-at-qwest-dot-net>" <nicothefabulous-at-hotmail-dot-com>

I have some 3/8-1/2" braided copper cable (round) that is used in grounding 
systems.  It is pretty flexible, easy to work.  I wonder...

Nick A


>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: strap primaries
>Date: Fri, 01 Mar 2002 10:29:43 -0700
>
>Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
><evp-at-pacbell-dot-net>
>
>Tesla list wrote:
> >
> > Original poster: "Mr Gregory Peters by way of Terry Fritz
><twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>
> >
> > Hey guys, A question about primaries.
> >
> > I once read that copper strap has better RF conductive properties than
> > copper tube, but we use tube in tesla primaries to suppress corona
> > loss. My question is why? If you have, say, a peak primary voltage of
> > 40kV and a 10 turn primary, don't you technically only have 4kV/turn?
> > Isn't 4kV too low a voltage for corona discharge to really be a
> > problem? I would rather use strap as it is much easier to bend then
> > tube.
> >
> > Cheers,
> >
> > Greg Peters
>
>	As I'm sure you'll hear from many others, in the "early days of spark",
>spirals made of flat conductors were the norm for "oscillation
>transformers", and a lot of the early instructions for building TC's
>showed the same configuration.  The corona between turns of the primary
>is of no interest, only the possible influence of the primary shape on
>arcover from the top terminal.
>
>Ed
>
>
>




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