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Re: Repotting NSTs



Original poster: otmaskin5@xxxxxxx Thanks for the responses. I thought it might be a problem since my coil had been tripping the GFI in my garage wall circuit. Might be a specific issue with my coil. Dennis Hopkinton MA


-----Original Message-----
From: tesla@xxxxxxxxxx
To: tesla@xxxxxxxxxx
Sent: Thu, 19 Oct 2006 6:39 PM
Subject: Re: Repotting NSTs

Original poster: <mailto:nancylavoie%40comcast.net>nancylavoie@xxxxxxxxxxx
Never had a problem with the GFI on any of my transformers and all 6 of them have them.

-------------- Original message --------------
From: "Tesla list" <<mailto:tesla%40pupman.com>tesla@xxxxxxxxxx>

> Original poster: Vardan
>
> Hi,
>
> Often the electronics guts for the GFI lies right under the lid ready
> for wire cutters and such >:-))
>
> But I think some people have used them just fine with the GFI intact!!
>
> Cheers,
>
> Terry
>
>
> At 04:40 PM 10/17/2006, you wrote:
> >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: <mailto:tesla%40pupman.com>tesla@xxxxxxxxxx
> >To: <mailto:tesla%40pupman.com>tesla@xxxxxxxxxx
> >Sent: Tue, 17 Oct 2006 4:43 PM
> >S ubject: 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.
> >
>