Re: PVC Drying

["Gregory R. Hunter" <ghunter-at-accucomm-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

I've never used anything but PVC pipe for my secondaries.  I have never
"prepared" a PVC coil form except to scrub it thoroughly with an abrasive
pad and hot, soapy water to remove ink, dirt, oil, etc.  I have never
suffered a secondary failure.  PVC is already an excellent insulator.  I
don't think a few mils of dried shellac or varnish is going to improve it
very much.

I do coat my secondaries with clear spar varnish after winding to lock the
turns in place and to give a nicer finished appearance.  I think the clear
coating also makes the coil a little more resistant to rough handling and
easier to keep clean.

My $.02 worth.

Greg

At 04:33 PM 07/29/2000 -0600, you wrote:
>Original poster: Megavolt121-at-aol-dot-com 
>
>For my last coil, i just cut the PVC, Washed it and sanded off theimpurities 
>and washed it again. than i just dried it w/ a towl and set it down for a 
>day.(i think i was looking for some end caps during that time/going to run 
>errands). The next day i just wound the coil. At the SoCal teslathon, i ran 
>this coil and i didn't have any problems.
>-Alan
>
>In a message dated 7/29/00 11:34:39 AM Pacific Daylight Time, 
>tesla-at-pupman-dot-com writes:
>
><< 
> In a message dated 7/28/00 8:49:09 PM Pacific Daylight Time, 
>tesla-at-pupman-dot-com 
> writes:
> 
> > Original poster: Irrelative-at-aol-dot-com 
> >  
> >  I've heard by many people that you're supposed to 'dry' a PVC secondary 
> >  before you seal, wind, etc it.  I'm curious to know if there really is 
> that 
> >  much moisture in a PVC pipe.  It seems as though a piece of plastic 
> wouldn't 
> > 
> >  pick up too much moisture, but I could be wrong.  Has anyone made a coil 
> >  without drying their PVC secondary?  What results did you get?  Thanks!
>  >>
>
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