Re: TC primary wiring

Tesla List wrote:
> > Subject: TC primary wiring
> >From hullr-at-whitlock-dot-comThu Aug 22 21:57:42 1996
> Date: Thu, 22 Aug 1996 09:58:18 -0700
> From: Richard Hull <hullr-at-whitlock-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: TC primary wiring
> Tesla List wrote:
> >
> > >From julian-at-kbss.bt.co.ukWed Aug 21 21:37:17 1996
> > Date: Wed, 21 Aug 96 18:30:49 BST
> > From: Julian Green <julian-at-kbss.bt.co.uk>
> > To: tesla-at-poodle.pupman-dot-com
> > Subject: TC primary wiring
> >
> > I hope this is not a stupid question, but I was pondering the other day how I
> > might save the windings of a neon sign transformer from getting the full
> > back lash from the primary.  This problem seems to get worse when the quench
> > time of the spark gap is shortened.
> >
> > The wiring of most TC primary circuits has the spark gap across the transformer
> > and the capacitor in series with the primary.   Why not swap the spark gap for
> > the capacitor so the capacitor is across the HV transformer output, and spark gap
> > in series with the TC primary.  This way the high RF voltage generated by the
> > TC primary will be isolated from the HV transformer output when spark gap is
> > quenched.
> >
> > Perhaps all this is of no consiquence if you have good RF chokes.
> >
> > I have tried this both ways on my coil and it has no effect on the spark length.
> >
> > Julian Green
> Julian,
> You have just decimated the argument of D.C. Cox's article in the TCBA
> News of late!!  Great! I love it!  You see, there are arguments and
> proposed schemes for both methods of placement of the gap and cap!  None
> Work!!!!  The neon is doomed!!  It is the transformer construction itself
> coupled with the service it is placed in by we coilers, and not the
> placement of components which kill the transformer.
> All coilers have their pet theories on this matter.  Many swear their
> method of protection is the best.  Those who say -"I have been using my
> method for a year and the transformer still lives"- are probably just
> prudent coilers and run their system in an unstrained and synergistic
> manner for a few seconds or more at a time.  This is the best way to
> protect a transformer!  Those who kill transformers with regularity are
> either new to the game and have not learned the synergistic methodology,
> or believe that 4 minute continuous run times for a table top system are
> the norm.
> Richard Hull, TCBOR

   Excuse me for butting in but what kind of run times can you expect 
with a pole pig transformer?