Yes, the circuit with the spark gap in parallel with the transformer
secondary is the preferred configuration. Both will work with comparably,
but having the spark gap in parallel with the transformed protects the
transformer from the RF while the gap is conducting.
There are surely better things but I've just used Microsoft Paint. Once
you figure out how to copy & paste, you can cobble together a circuit.
Yes the NST case and secondary base should go to an independant RF ground.
Regards, Gary Lau
MA, USA
On Wed, Dec 20, 2017 at 3:11 PM, YESN via Tesla <tesla@xxxxxxxxxx> wrote:
> Hello all,
>
> Now I am kinda stuck with how a tesla coil should be wired.
> I see lots of different opinions on how the spark gap and the capacitor
> bank should be placed.
>
> This one: https://commons.wikimedia.org/wiki/File:Tesla_coil_3.svg
> and this one: https://commons.wikimedia.org/wiki/File:Tesla_coil_4.svg
>
> My intuition says that the safest one is the first option, but I am
> interested in what you think.
> Also does anyone know a good (free) program to draw electrical diagrams? I
> will have to make a detailed diagram including the MMC (with bleeders).
> I also have some doubts as to how grounding works. Do you ground the NST
> and the secondary coil on the same connection? Or is it done seperately?
>
> (So I have decided some parameters with JAVATC.
> I will probably send the results later since I don't know if everything is
> done correctly.)
>
> My regards,
>
> Yessin
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