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Re: [TCML] Depot NST Measurements
Last I checked he potted his in wax, and in the original container.
On Sun, Jun 29, 2008 at 5:35 PM, DC Cox <resonance@xxxxxxxxxxxx> wrote:
> Nice work on the measurements Bart.
>
> I was surprised to see you ran at 200 mA for 30 continuous minutes!
>
> Was the xmfr with shunts removed immersed in xmfr oil??
>
> I did a 12/60 also and got 190 mA with 1/2 the shunts removed. Gives great
> coil performance with 4.5 ft sparks. I only run for 45 sec bursts in xmfr
> oil.
>
> 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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> > Tesla@xxxxxxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
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