Hi Tim,
Running your coil with no secondary results in your caps seeing many times
the RMS current than it otherwise would. If you had only run it for a few
seconds I would not be concerned about that.
I didn't understand what you meant by "there are smaller arcs running
around the conductor ring on the disc". Kudos to you for having a safety
gap - I assume in parallel with the RSG?
What size primary cap are you using?
Regards, Gary Lau
MA, USA
On Wed, Mar 26, 2014 at 6:46 PM, Tim Flood <tfloodrr@xxxxxxxxx> wrote:
> Thanks guys for the input. Sounds like I'm the dummy!
>
> I hope I didn't run long enough to due permanent damage. It was run that
> way for only a few seconds, three times. The caps were not warm nor had any
> visible anomalies. I'll check the MMC value tomorrow and the transformer
> output using a jacobs ladder. Everything is at work so I'll have to wait
> until tomorrow.
>
> Thanks again. What are the chances Imay not have done permanent damage?
>
> Tim
>
>
> On Wed, Mar 26, 2014 at 5:02 PM, teslalabor@xxxxxxxxxxx <
> teslalabor@xxxxxxxxxxx> wrote:
>
> > Very Bad idea. When doing such Experiments you have to use at least a
> > dummy load in Form of halogen bulbs, which replaces the primary. When you
> > simply Run it without secondary, you kill your caps and neon, i think
> thats
> > what happened in Your case.
> >
> > Gesendet mit meinem HTC
> >
> > ----- Reply message -----
> > Von: "Tim Flood" <tfloodrr@xxxxxxxxx>
> > An: "tesla@xxxxxxxxxx" <tesla@xxxxxxxxxx>
> > Betreff: [TCML] Sputtering Gap
> > Datum: Mi., Mär. 26, 2014 21:25
> >
> > Could really use some help.
> >
> > Just completed a new 15/60 NST powered coil with a SRSG. With the tank
> > circuit completely wired and the secondary removed I thought why not
> check
> > the operation of the rotary gap. The first time I powered up it ran fine,
> > firing smoothly up to the max variac setting.
> >
> > Subsequent power-ups resulted in the gap sounding like gun fire. The
> safety
> > gap on the SRSG is firing, the arcs at gap alignment vary in intensity
> and
> > there are smaller arcs running around the conductor ring on the disc.
> >
> > The rotor is 5" diameter with four 1/8" carbide electrodes turning at
> 1800
> > RPM.. There are two stationary electrodes on the front side. Electrode
> > spacing is .030" per gap.
> >
> > Thank you,
> >
> > Tim Flood
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