Re: winding the secondary

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

Original poster: "Shaun R. Phelps by way of Terry Fritz <twftesla-at-qwest-dot-net>" <shaun-at-visorloop-dot-com>

I'm not sure if everyone is aware of this site, but if you don't want to
wind your own secondary and go through the sealing process, you can purchase
a pre-wound one.

http://www.members.tripod-dot-com/bryishere/id95.htm

I have to admit, I am considering purchasing one myself unless I can find
magnet wire at considerably less than I have seen if for so far.

Shaun.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, September 03, 2001 12:02 PM
Subject: Re: winding the secondary


> Original poster: "Malcolm Watts by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>
>
> Hi Jeff,
>
> On 1 Sep 2001, at 11:50, Tesla list wrote:
>
> > Original poster: "Janet Johnson by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <jpjmassage-at-earthlink-dot-net>
> >
> > Hi list,
> > I am getting ready to wind my secondary and I have been reading
different
> > approaches.  Brent Turner's book says if you use a plastic (PVC) pipe,
just
> > sand it and clean it, wind it and seal it with "several light coats of a
> spray
> > acrylic or lacquer."  So he doesn't say it's necessary to seal it before
> > winding it.  Richard Quick on the other hand, says to bake it in an oven
> > overnight after wet sanding it and then coat it with polyurethane for
several
> > hours before winding it.  My questions: if you just dry sand the pvc do
you
> > need to worry about drying it?  How smooth does it need to be (I haven't
> gotten
> > all the scratches and nicks out of it after sanding it quite a lot)?  Do
you
> > coat it again after winding?
>
> I simply wouldn't bother with all the drying etc. etc.  The
> difference in unloaded Q that will result won't be worth the effort.
> One of my coils is wound on a piece of thickwall drainpipe which was
> lying around outside in a merchant's yard for months. I simply wound
> it and used some varnish to hold the windings in place (it is
> spacewound). Unloaded Q on a damp day clocks in at about 300.
>
> Malcolm
>
>
>