Re: Secondary wire & insulation

Subject:  Re: Secondary wire & insulation
  Date:   Tue, 10 Jun 1997 13:13:40 +0500
  From:   "Alfred A. Skrocki" <alfred.skrocki-at-cybernetworking-dot-com>
    To:   Tesla List <tesla-at-pupman-dot-com>

On Tue, 10 Jun 1997 01:48:14 -0400 (EDT) richard hull
<rhull-at-richmond.infi-dot-net> wrote;

> >I do not *specify* wire insulation when I buy wire. I buy what I can get
> >when I can get it, just like you do. I have gotten wire at hamfests,
> >fleamarkets and surplus stores and anything I have gotten so far works
> >just fine *without* spacewinding. 
> >
> >Safe coiling,
> >
> >Ed Wingate

> Same here Ed,
> I buy whatever stinkin' junk batch of wire comes down the pike.  Wind it
> as tight as possible to max out the millihenries.  Do some hand waving
> tricks with coupling, figure what the thing can stand by musing over it
> for a few minutes (experience helps) and fire it up!! Seems to work at
> this end. 

It's possible the wire I got has inferior insulation, it was all 
purchased fro the same surplus dealer. The insulation is a clear 
honey color and I've done a brekdown test on the #20 gauge wire and 
it only tolerates about 150 volts. By contrast I have a spool of #26 
formovar insulated wire that I tested and it held to just over 900 

> I have never counted turns!  Ever!  If asked, I have to scurry off to the
> wire tables and coagulate a close approximation.  I have been asked this
> question so often, I now almost never scurry anymore, but say, "I don't know and
> don't care how many turns of wire is on the thing."

Why people care about the number turns is beyond me since a Tesla 
coil dosen't operate on a turns ratio!


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