Re: OOOPS! Wuz i supposed to varnish it?

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

Original poster: "Hans Scholze by way of Terry Fritz <twftesla-at-uswest-dot-net>" <hanscs-at-eagle.ptialaska-dot-net>

Drew,

You should be OK.  I have heard that whatever is used to color the ABS pipe
black can make it slightly conductive, but I used it for a small secondary
and didn't have any problems.  As for varnish, some people varnish the form
before winding, but I don't think its really necessary as long as you clean
it thououghly.  I would, however, put something on the outside to protect
the wire and hold it in place.  I use fast-drying polyurethane.  It is runny
so you will need many coats (10-20) and a jig to constantly spin the coil
(20-60 rpm is good) so that it doesn't drip.

Hans

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, January 29, 2001 3:27 PM
Subject: OOOPS! Wuz i supposed to varnish it?


> Original poster: "Drew Murray by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<drewallmighty-at-hotmail-dot-com>
>
> I wound my secondary on 3" diameter Black ABS pipe. A week later i read
> about how you are supposed to cover everything with poly. Especially the
> secondary before you wind it. Will this affect my coil's performance much?
> What is the difference (other than cost) between ABS and PVC pipe. Which
one
> is better?
> *HELP*                                            Up here in Canada,
>                                                    Drew Murray
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