Re: Alternate sources for large secondary coil forms (fwd)

To: tesla-at-pupman-dot-com
Subject: Re: Alternate sources for large secondary coil forms (fwd)
From: Tesla List <mod1-at-pupman-dot-com>
Date: Tue, 7 Jul 1998 22:36:03 -0600 (MDT)
Approved: mod1-at-pupman-dot-com



---------- 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