Re: Questions??

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: jhowson4@xxxxxxxxxxx 


ok, yea thanks. I was using 1/4in bolts so I will diffidently give 
the nails a try.



-------------- Original message --------------
From: "Tesla list" <tesla@xxxxxxxxxx>

> Original poster: "Barton B. Anderson"
>
> Pulling the arc means nothing. You need the NST to arc across an air
> gap without any caps hooked up. The sparkgap should be in parallel
> for this test. The size of the electrodes will greatly influence the
> air gap. Because it is a low 6kV NST, I recommend starting with a
> needle gap (two sharp nails should do the trick). If you can get a
> decent distance with this needle gap, then try something larger such
> as 1/4" bolts. Once you find the air gap required to reliably arc the
> air gap, keep the setting as is and don't change it. The reason:
> Arcing the the air gap with the NST and sparkgap alone (no caps
> involved) sets the "safe" voltage level for the NST. NST's will die
> easily from overvoltage of the se condar y winding (and usually caused
> by the coiler setting the gap too wide). You don't want that, you
> simply want to find the reliable air gap needed for the electrodes
> you choose to use (it's that simple).
>
> This is a low 6kV NST, so realize that the gap is going to be a very
> narrow gap.
>
> BTW, larger coils are easier to get going. Smaller coils are a little
> more difficult and lower voltage NST's only make the task more
> difficult. Just be aware of that and don't be disheartened if things
> don't always go as planned. Just keep in touch with the TCML of your
> results and we'll eventually help to get the coil working the best we can.
>
> If you need help with the Javatc program, I'm probably the guy to
> ask. There are some quirky things we are forced to deal with using a
> JavaScript type program doing the kind of stuff Javatc does. The main
> quir k is " waiting" for results. Browsers will always pop an alert
> (the script is causing the browser to run slow. Do you want to
> cancel?"). Always say "No, I don't want to cancel". This annoyance is
> "not" the program, but the browser itself. Only Microsoft (or
> whichever browser) can stop that message alert. That means, we are
> stuck with it. I "highly" recommend Internet Explorer 6 or higher.
> Netscape sucks for document object handling (that stupid message will
> pop up 10 times in a simple run, where Internet Explore is usually
> just once). Other browsers are sometimes ok depending on the version.
> But Internet Explorer is by far the best for this particular task.
> Just a tip if you happen to play with Javatc.
>
> Take care,
> Bart
>
>
>
> Tesla list wrote:
>
> >Original poster: jhowson4@xxxxxxxxxxx
> >
> >When I have the t ransformer connected to just the spark gap I can
> >pull an arch of about 1 inch.
> >And even when the gap is slightly working with all 20 (6000volt
> >0.015 caps) in series there is hardly any noise and that way I can
> >pull a gap of about 4mm. I can get about 3mm if I use a tin foil
> >glass cap that I made.
> >Just the transformer and gap without capacitors makes more noise
> >than when it is connected right.
> >-------------- Original message --------------
> >From: "Tesla list"
> >
> > > Original poster: acmq@xxxxxxxxxxxxxxxx
> > >
> > > > Original poster: jhowson4@xxxxxxxxxxx
> > > >
> > > > I tried using the capacitors 2 in series and 3 2's in parallel and
> > > > nada. Its one of the same problems I had before the spark gap does
> > > > not fire. There is a little zap (like shorting a 9 volt battery) If
> > > > I tap the electrods together which is easy because of the base. But
> > > > thats about it.
> > >
> > > Or your capacitor is short-circuited, or it is too big and acting as a
> > > short-circuit, or your transformer is not working. How long is 
the spark
> > > when only the transformer is connected to the spark gap?
> > >
> > > > > >* type of spark gap and how constructed
> > > > &
> >
> >gt; &g
> >t;2 bolts mounted in lexan or something with a large computer cooling
> > > > > >fan sucking are through it the bolts are about .08 mm from each
> > > > > >other (which is as far apart as they will go while still 
allowing a
> > > > jump)
> > > > >
> > > > > That i s fine.
> > >
> > > 0.8 mm, maybe. 0.08 is too small. 6 kV should jump at least 7 mm. If
> > > your transformer does not produce a spark several mm long when 
connected
> > > alone to the gap, something is wrong with it. The connection of the
> > > primary circuit in parallel with the gap should result in 
almost the same
> > > spark length at the gap, but with much higher noise. If the 
spark at the
> > > gap reduces to a fraction of mm with the primary connected, there is
> > > something wrong with the primary capacitor, or the connections.
> > >
> > > Antonio Carlos M. de Queiroz
> > >
> > >
> >
> >
> >
> >
> >
> >
>
>
>