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Re: Alternate sources for large secondary coil forms (fwd)
---------- Forwarded message ----------
Date: Wed, 08 Jul 1998 18:30:52 -0400
From: Eleanor Flood <eflood-at-bellsouth-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Alternate sources for large secondary coil forms (fwd)
Tesla List wrote:
>
> ---------- Forwarded message ----------
> Date: Tue, 07 Jul 1998 16:51:39 -0700
> From: Ed Phillips <evp-at-pacbell-dot-net>
> Reply-To: ed-at-alumni.caltech.edu
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Re: Alternate sources for large secondary coil forms (fwd)
>
> Tesla List wrote:
> >
> > ---------- Forwarded message ----------
> > Date: Tue, 7 Jul 1998 08:17:00 -0600
> > From: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net>
> > To: Tesla List <tesla-at-pupman-dot-com>
> > Subject: Re: Alternate sources for large secondary coil forms (fwd)
> >
> > to: Clay & Jim
> >
> > PVC pipe as used in the water pipe & sewer materials construction industry
> > comes in 3 common grades. The schedule 40 is a medium wall pipe and is
> > suitable for most Tesla oscillators. The schedule 80 is very thick walled
> > for high water pressure and is usually too heavy for Tesla coil secondary
> > construction. The best type to use is the thinnest walled pipe known as
> > SDR (stands for "sewer & drain"). SDR is thin walled, very light, and is
> > usually green in color. It makes for light coilforms and is great if you
> > don't try to sit on it. Thorough cleaning is necessary both inside and
> > outside and 2-3 coats of glyptal is applied before winding.
>
> Where can you get glyptal varnish and cement these days? Have been
> looking for a source (used to use it with vacuum systems) for some time.
>
> Thanks,
> Ed
Hi, Have a note in my Tesla notebook from an earlier post that red
glyptal is available from a company (no name noted) at 1-800-345-1178.
Hope this helps.
Elli