Re: PVC secondaries

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

Original poster: "Daniel McCauley by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>


Its really not that important.  You'll hear many people saying that it *IS*
important to do this but its really not that important.
Its just one of those little things.  Some people swear by it, some people
don't.  If you are going to worry about doing this you might as well get
corona balls for all your high voltage connections, etc.. . .





> hi greg
>             it is very important to coat the pvc form with varnish to seal
> it as pvc is hydroscopic (will absorb moisture) so at the very high
voltages
> it is important
> cheers
> colin heath
> ----- Original Message -----
> From: Tesla list <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Friday, June 28, 2002 3:26 PM
> Subject: PVC secondaries
>
>
> > Original poster: "Mr Gregory Peters by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>
> >
> > Hello all,
> >
> > Some coil plans I have say that when using PVC as a coil form, it should
> > be coated with polyurethane (or similar) BEFORE winding the wire on to
> > reduce losses. Is this really necessary? I would have thought it just
> > adds more loss by making the form wall thicker.
> >
> >
> > Cheers,
> >
> > Greg Peters
> > Department of Earth Sciences,
> > University of Queensland, Australia
> > Phone: 0402 841 677
> > http://www.geocities-dot-com/gregjpeters
> >
> >