[TCML] Depot NST Measurements

[bartb <bartb@xxxxxxxxxxxxxxxx>]

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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