Re: coil won't "stay on"

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Michael by way of Terry Fritz <twftesla-at-qwest-dot-net>" <MFraylich-at-btinternet-dot-com>

It is probably a thermistor of some sort so the transformer doesn't
burn
out, when you are runing it through the primary you are short
circuiting the
transformer so it gets hot, try fiting a fan on it and see if that
helps

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, May 31, 2001 8:03 PM
Subject: help: coil won't "stay on"


> Original poster: "Pholp Smiff by way of Terry Fritz
> <twftesla-at-qwest-dot-net>"
<kawanze-at-hotmail-dot-com>
>
>
>
>
> I built a neat little coil powered by two <mailto:12kv-at-30ma>12kv-at-30ma
transco
> transformers, i have all the other components built to those
specifications. I
> just finished constructing a better torroid for it (it may be
> worth noting
that
> the topload is slightly larger than the old one, and it is closer
> to the
top of
> the secondary than the old one)and when i go to turn it on i'll get
perhaps two
> large arcs, and then it will just turn off. I've noticed a *click*
> sort of
> sound from the transformers that occurs just as the coil turns
> off. Is
there
> some sort of safety mechanism inside these that will cause this
> effect? If
i
> just leave off the secondary and topload completely i could pretty
> much
run it
> indefinately with no problems of that sort. Oh yeah, another thing
> that's
kinda
> different about my coil is rather than having a ground, i just
> directly
> connected the primary to secondary, because im lazy.
>
> I also have another problem. Sometimes when my coil is running (Well
before it
> would just SHUT OFF), it would be shooting out 4 foot
> arcs/sparks/streamers/whatever and be nice and loud, then suddenly go
quiet and
> only spit out purple fuzz around the topload. This problem seems
> to be
> independent of the first, could it perhaps be tuning? or the
> height from
> topload to base - or base to secondary windings? What's puzzling
> is how it
will
> be running great and then suddenly give me whimpy output. It
> almost seems
like
> a wire comes loose or something.
>
>
> Thanks for you help,
> Phillip Smith
> (Baton Rouge, La)
>
>
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