Re: [TCML] Depot NST Measurements

["DC Cox" <resonance@xxxxxxxxxxxx>]

Bart

what brand nst did you use in your test?

Dr. Resonance




On Sun, Jun 29, 2008 at 3:44 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:

> Hi All,
>
> For someone not to long ago I mentioned I would remeasure my depotted 12/60
> when my new hv probe arrived. Well, I had a chance today.
>
> I performed open and short circuit measurements. Using a variac, I adjusted
> the NST input voltage in 10V increments up to 140V input.
>
> Here's the raw data table:
> http://www.classictesla.com/temp/DepotNST_RawData.gif
>
> Here's a graph of input to output voltage (very linear):
> http://www.classictesla.com/temp/DepotNST_VinVout.gif
>
> Here's a graph of short circuit current:
> http://www.classictesla.com/temp/DepotNST_Is.gif
>
> And finally, here's a graph of the NST's coupling coefficient:
> http://www.classictesla.com/temp/DepotNST_K.gif
>
> So, for my NST, it became extremely beefy with 1/2 the shunts removed. I
> don't know what to say about others who have only doubled their secondary
> current. My NST ended up at a little over 200mA (for where I normally run).
> Obviously, I could send it to the grave if I pushed it too hard. But then,
> I've also ran a 30 minute continuous run with it pushing 5 foot sparks and
> there were no hiccups. Anyway, the data table speaks volumes.
>
> Take care,
> Bart
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