Re: My first TC

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Barton B. Anderson by way of Terry Fritz <twftesla-at-uswest-dot-net>" <tesla123-at-pacbell-dot-net>

Hi William,

That truely is an interesting coil. Great job!

Where do you take spark from? the center of the secondary or the outer
edge? Looking at it, I might try
winding the primary below the secondary nearer to the center and place a 2"
x whatever diameter toroid
along the outer edge of the secondary. Just a thought. I would image using
the Archimedes Spiral
calculation for the secondary. Do you have dimensions you could throw our way?

Take care,
Bart A.

Tesla list wrote:

> Original poster: "William Swanson by way of Terry Fritz
<twftesla-at-uswest-dot-net>" <swansontec-at-yahoo-dot-com>
>
> Hi,
> I've just finished building my first TC. Instead of
> doing things the easy way and building a helical
> secondary like everyone else, I was silly enough to
> build a flat pancake secondary instead. Right now,
> without any attempt at tuning other than on paper, the
> coil puts out two inch sparks to a ground wire placed
> in close proximity to the secondary. The primary is a
> single turn of thick cable. From a 15/60 NST running
> at half power with a 6 nF cap, this isn't too bad for
> first light. I have a picture of the coil at:
>
> http://members.aol-dot-com/swansontec/tc.jpg
>
> Has anybody else tried building Tesla coils with flat
> secondaries? Any words of wisdom, especially on how to
> properly tune a coil like this?
>
> -William
>
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