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Re: Secondary additions and corona breakout
Subject: Re: Secondary additions and corona breakout
Date: Mon, 19 May 1997 22:46:31 +0500
From: "Alfred A. Skrocki" <alfred.skrocki-at-cybernetworking-dot-com>
To: Tesla List <tesla-at-pupman-dot-com>
On Mon, 19 May 1997 09:11:52 +1200 Malcolm Watts
<MALCOLM-at-directorate.wnp.ac.nz> wrote;
> It's best in the A.M. broadcast range of frequencies (i.e. typical
> mid-hi TC freqs. Skin effect is almost non-existent because the
> strand diameter is caomparable with or less than 1 skin depth.
Interesting, I remeber a few years back there was some negastive
comments in the TCBA in regard to litz wire and tesla coils.
>From what you say it would only be of benifit on the smaller coils.
> > What were you doing with it to get three feet sparks?
> The primary energy was around 1.5J or so with PRF = 100Hz. It really
> sang (until it caught fire :(
That explains it, I don't know why but I got the impression you were
using less energy than that.
> Winding length about 16" with a 9" sphere mounted a couple of inches
> above the top of the winding. Not record breaking stuff, but I'm
> keen to fire it up again when the caps re-arrive. The experiment
> ended after 5s or so last time :(
You were getting twice your coils length in output thats pretty good
especially for such a small coil!
> BTW, I'm currently making a version of one of Tesla's early 1/2-wave
> lumped coils (a la the lecture to the AIEE) using modern materials
> and a slightly different primary configuration. It also has a ferrite
> rod for a core. I should be testing sometime this week.
I will be waiting with preverbial baited breath to hear the results!
Sincerely
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Alfred A. Skrocki
alfred.skrocki-at-cybernetworking-dot-com
.ooo0 0ooo.
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