RE: [TCML] Re: Coil Died

["Dave Halliday" <dh@xxxxxxxxxxxxxx>]

You can get carbon tracks through the tar.

Search the Pupman site for more info:

https://www.google.com/search?q=tar&sitesearch=www.pupman.com 

Dave

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Carl
> Sent: Wednesday, October 16, 2013 23:05
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Re: Coil Died
> 
> Hey---
> 
> Has anyone tried repairing NSTs with one bad side?  In high 
> school we used 
> to heat up the bad end carefully around the insulator, then 
> rotate the 
> insulator one eighth turn and pull it out gently.  It's in a 
> square hole. 
> Often there would be a burnt track in the tar.  Sometimes you 
> had to light 
> them up by plugging them in for a second.  Then you dig out 
> the tar around 
> the track and put in some new tar.  Often that repairs them.  
> Worth a try, 
> anyway.
> 
> ---Carl
> 
> 
> 
> 
> 
> -----Original Message----- 
> From: Stan Gray
> Sent: Wednesday, October 16, 2013 3:54 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Re: Coil Died
> 
> Hey Tim,
> 
> When ever I blew a neon tranny they didn't smoke a winding 
> just opened. The 
> performance changed so I
> took them off the system put power to them then checked each 
> leg to ground 
> with a screwdriver and every time found a dead side. That's 
> what happens 
> when your too stubborn too build a Terry filter. Good thing I 
> had a sign 
> shop and lots of neon trannies laying around.
> 
> Stan
> 
> 
> 
> 
> ________________________________
> From: Tim Flood <tfloodrr@xxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Sent: Wednesday, October 16, 2013 11:54 AM
> Subject: Re: [TCML] Re: Coil Died
> 
> 
> Thanks, Dave.
> 
> The transformers did not smoke, but acted like their power 
> dropped way off
> after less than 30 seconds of operation.
> 
> I've already decided to shelve them and am starting to design 
> a new TC.
> This just happened at a time when I don't have the time to 
> experiment. Oh
> well.
> 
> Tim
> 
> 
> 
> 
> On Wed, Oct 16, 2013 at 10:48 AM, David Thomson <
> tcbuilder@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> > Tim,
> >
> > The transformers may only seem dead.  If they didn't smoke, 
> they probably
> > did not burn a winding.  It may be that there is residual magnetism 
> > forming
> > a loop in the core, which would interfere with the mutual 
> inductance.  Let
> > the transformers sit for a long period of time (at least a 
> year) before
> > trying them again. You might also experiment with strong 
> neodymium magnets
> > placed in different arrangements to try to release the 
> magnetic loop.  I'm
> > not sure if it is possible to release a magnetic loop, though.
> >
> > Dave
> >
> >
> > On Mon, Oct 14, 2013 at 8:47 AM, Tim Flood 
> <tfloodrr@xxxxxxxxx> wrote:
> >
> > > The problem did turn out to be the transformers. Both 
> 9/60 NST are dead.
> > >
> > > Thanks again for all the help.
> > >
> > >
> > > Tim Flood
> > > _______________________________________________
> > > Tesla mailing list
> > > Tesla@xxxxxxxxxx
> > > http://www.pupman.com/mailman/listinfo/tesla
> > >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
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