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Re: "Warming Up"



Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>

I've noticed that the effect seems to be less if the
gaps are freshly cleaned.  Strange effect.  Upon first
starting up after a long cooldown, it won't even break
out of the top load, but after 5-10 seconds it starts
to break out, and eventually ends up with nice strong
multiple 24" sparks...

Curt.

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: "Harold Weiss" <hweiss@xxxxxxxxxx>
>
> Hi Curt,
>
> I have seen the same thing with some of my older
> coils.  The gap is
> heating up and closing to the best distance as the
> metal
> expands.  Also check to see if the electrodes are
> dirty.  Sometimes
> oxidation can do that until it is burnt away.
>
> David E Weiss
>
> >Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>
> >
> >I've noticed that my 60mA NST powered coil gets a
> >significantly longer spark after running 15-20
> >seconds.  After it "Warms Up" it starts at full
> power,
> >but if it's been sitting for a day it begins at
> less
> >than a third of the spark length.
> >
> >I assume it's out of tune when it's "Cold", do you
> >think this phenominom coukd be related to the
> >capacitors?  I seem to recall hearing once that
> >capacitors could change capacity significantly with
> >temperature...
> >
> >Curt.
> >
>
>
>