Re: Repotting NSTs

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: otmaskin5@xxxxxxx 

My 15/60 now sleeps with the fishes too (RIP).  is there a reasonably 
easy way to remove the GFI protection from the new model 
NSTs?  Dennis Hopkinton MA


-----Original Message-----
From: tesla@xxxxxxxxxx
To: tesla@xxxxxxxxxx
Sent: Tue, 17 Oct 2006 4:43 PM
Subject: Re: Repotting NSTs

Original poster: "resonance" 
<<mailto:resonance%40wildblue.net>resonance@xxxxxxxxxxxx>


With a Marx gen you should always disconnect the power supply prior 
to firing using a HV relay. Saves your diodes and xmfrs.

You could drop them into a plastic Walmart tub with mineral oil 
(healthstore) or xmfr oil. Then you can remove shunts and increase 
the current as well.

Dr. Resonance

>Well, I finally destroyed an NST. I wouldn't worry about it, except that it
>is a 12/120, and the 120's are rare. I was using it to power a Marx bank. I
>get full spark from one side and a wimpy spark from the other. The good side
>reades a few ohms higher than the bad side, which is probably how it was
>before. This makes me believe that the cause is carbon tracking.
>
>So yesterday I melted the tar. It was quite easy. I used an old metal pot,
>the kind used for canning. I cut a hole in the side large enough to fit the
>barrel of my heat gun in there. Put some old clothes on and around the pot
>for insulation. Took a few hours to melt the tar, but very little stink and
>low chance of fire. Anyway...
>
>I let it cool, and while it seems a little improved, it is not fixed. So I
>have to empty the NST of tar, use solvent to clean it, and then I want to
>repot it. I don't want to use oil. This NST is going to get moved around,
>going to school and so on. I don't want to be dragging around a leaky oily
>mess.



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