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Re: [TCML] SRSG "sputter"



Definitely the 6" sticks.  As the full bang voltage is applied across the
lamps, I doubt the screw bases would hold off such voltages.  I never tried
with a 15/30, but I'd use 3 bulbs just the same.

Regards, Gary Lau

MA, USA

On Tue, Jul 13, 2010 at 12:22 AM, Brandon Hendershot <
brandonhendershot@xxxxxxxxx> wrote:

> Hi Gary,
> Regarding the halogen flood lamps, are you referring to the little 6"(ish)
> long stick like bulbs, or the big honking cone shaped lamps? Would it make a
> difference? Also, do you think a 15/30 could get away with less bulbs/lamps,
> or should I just play it safe?
> Thanks a lot,
> Brandon
>
> On Jul 8, 2010, at 1:53 PM, Gary Lau <glau1024@xxxxxxxxx> wrote:
>
> > No.  One can't run a coil unless there's a safe place for the energy in
> the
> > caps to go to.  Normally that would be the secondary coil and topload
> > sparks.  If the primary is left open-circuit, the cap won't charge and
> the
> > gap won't fire normally.  If the primary is replaced with a short
> circuit,
> > the cap will charge normally, but each time the gap fires, it will
> directly
> > short out the charged cap, and this will be extremely stressful on the
> cap
> > (HUGE discharge currents) as well as the gap (all the energy that went
> into
> > charging the cap will be dissipated in heat, light, and sound, and the
> gap
> > will be a fearsome thing).
> >
> > Instead, the primary can be replaced with three series-connected
> 120V/500W
> > (for with a 15/60 NST) halogen flood lamps, and these will safely
> dissipate
> > the charged cap's energy and permit the cap charging behavior to be more
> > easily studied.
> >
> > Regards, Gary Lau
> > MA, USA
> >
> > On Thu, Jul 8, 2010 at 3:54 PM, Brandon Hendershot <
> > brandonhendershot@xxxxxxxxx> wrote:
> >
> >> Hi Joe,
> >> Is it possible for you to disconnect you're primary coil and just run
> the
> >> gap on you're capacitors alone? That way you could eliminate any issues
> >> beyond the spark gap if there may be any.
> >> Brandon
> >>
> >>
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