Re: 24" secondary/using insulated wire

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

On Sun, 03 Sep 2000 15:39:21 -0600 "Tesla list" <tesla-at-pupman-dot-com>
writes:
> Original poster: "Barton B. Anderson" <tesla123-at-pacbell-dot-net> 
<snipped> 
> >
> > also, if I do spacewind it, what if tightwound insulated wire is 
> used instead
> >
> > of enameled wire to achieve the spaces?
> 
<snipped>
 
> Insulated wire will probably work ok and will add quite a bit of 
> spacing
> between turns. 

> Bart 

<snipped>

[kch] I would not be inclined to use insulated wire other than
varnish-insulated; and I wish I could do without the varnish.  It's my
feeling that there's always the risk of carbonizing anything organic that
lies between the wire and "space"--with an inadvertent spark.  At that
instant, you create a conductive whisker that thenceforth will emit
corona unless removed.  I'd think it easier to sand off carbonized
varnish if necessary than to remove some thicker insulation.  And, of
course, it seems you run the same risk with the final overlay of varnish,
applied both to hold the wire in place and to make the coil look nice.

Am I off-base here?  Any comments?

Ken Herrick
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