Re: Need Secondary wire source

["Kennan C Herrick" <kcha1-at-juno-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Hi Chris et al-

Two comments on varnished wire:  Someone in the wire business once
remarked to me that all the varnish really does is ensure turn:turn
spacing; you can't depend on it absolutely for any insulating property
beyond that of air-spacing because of the possibility of pinholes in it.

Also, my take on wire-varnish is that I'd rather do without it.  As soon
as you get an inadvertent spark thru the varnish it seems to me that you
create a little carbon whisker; a nice sharp, conducting point (or
perhaps 2 of them, facing each other!)--and we know what that means, do
we not?  Of course, now that I think further on it, you might well get
such a point  or points anyway--due to the tiny splash of molten copper
at the place where the spark hits.  Does anyone have a comment on that?

I'm presently trying to develop a better way to space-wind bare wire onto
a secondary form.

Ken Herrick

On Mon, 31 Jul 2000 12:09:48 -0600 "Tesla list" <tesla-at-pupman-dot-com>
writes:
> Original poster: "Chris Brick" <cbrick-at-rebelbase-dot-com> 
> 
> Hi folks,
> 
> The surplus magnet wire has let me down once again.  Two secondaries
lost to between turn dielectric breakdown.  Does anyone have a good
source for double formvar or better wire?  I have found some quadruple
coated wire (may be overkill) but can't find a supplier that will sell by
the pound.  I need about 5 pounds of 22 gauge asap.
> 
>snipped<

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