Re: Need Secondary wire source

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

[kch]  I'll intersperse a few comments:

On Mon, 31 Jul 2000 21:39:21 -0600 "Tesla list" <tesla-at-pupman-dot-com>
writes:
> Original poster: "acmnovak" <acmnovak-at-email.msn-dot-com> 
> 
> The fishing line method is quite messy and unreliable if you wind it 
> by
> hand. A friend of mine made a jig for space winding that gave him 
> *perfect*
> spacing on his big 8 inch coil. The result was a coil which produced 
> 4+ foot
> streamers from 1800 watts. 

<snipped>

[kch] Although I've not done it, I feel intuitively that simultaneously
winding fishing line & wire is something I don't want to tackle.  I'm
contemplating the winding-on first of a cotton twine to form a spiral
track, with winding-pitch larger than the wire diameter.  After
stabilizing that with, perhaps, a very thin varnish or "water seal"
preparation, I would then wind the wire over the twine.  Comments,
anyone?

> 
> My $.02 on spacewound secondaries:
> They are a waste of time.
> Don't bother unless you must use a smaller size wire than the 
> optimum for
> that diameter secondary.
> Any dust or debris between windings on the coil will burn down the 
> secondary
> during operation. Not good!!!

<snipped>

[kch]  To the provider of the $.02 (Is it Mike H?):  You make a very good
point.  Better to fill that space with a solid non-conductor.  Porcelain
would be nice.  But more seriously, doing essentially as you suggest. 
But then, what does one do about inadvertent carbon-tracking?  More
comments, anyone?

<snipped>

Original msg from KCH:
>
> > In a message dated 7/31/2000 4:44:36 PM Mountain Daylight Time,
> > tesla-at-pupman-dot-com writes:
> >
> > > I'm presently trying to develop a better way to space-wind bare 
> wire
> onto
> > >  a secondary form.
> > >
> > >  Ken Herrick

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