Re: [TCML] Little white balls within streamers

["DC Cox" <resonance@xxxxxxxxxxxx>]

Interesting ideas for sure.

I wonder if two camera, separate at 90 degrees, could be perfectly
synchronized to video the event.  Perhaps this would give us some concrete
answers.

I had a coil with an 8 ft spark over here in Tucson, setup at a friend's
house in a large development.  As the goblins approached, approx 20 ft away,
wondering what this strange
machine was, we turned it on at full power.  Scared most everyone for at
least 5-10 sec before they recovered and had enough nerve to enter the
driveway to pick up their candy.

I think some people will be talking about the real scary house in Tucson for
years.  I know some of the adults asked a lot of questions while the kids
were picking up their candy.

Well, it is TRICK or treat night, right?

DC




On Fri, Oct 31, 2008 at 7:48 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:

> Hi DC,
>
> It's All Hallows Eve and my wife is handing out the candy (yea!). I guess I
> get some TCML time tonight.
>
> Odd that you mentioned fractals. I was thinking the same about the spirals
> (I think because I watched the show about fractals in nature on one of the
> science channels a day or two before viewing the detail in the sparks). On
> my old pc, I had a fractal software where I could manipulate the equation to
> create various fractals using the main Mandelbrot set (boundary) and of
> course other sets. Really fun to watch how the mathematical alterations
> altered the fractal. Obviously, fractals are observed in nature (which is
> governed by physics), so no reason why electrical behavior would be any
> different (the same physics apply).
>
> The spirals could just be wave points (and probably are considering the
> properties of a conductive streamer). It could be the IGBT pulse during the
> image capture (but, I don't think so as bps couldn't have been that high).
> It's actually a relatively quick capture of sparks. The sparks shown in that
> photo is what I actually saw with my eyes during that particular strike
> event. Not a lot of shutter delay or anything like that. I had simply turned
> up the juice and found another sweet spot (so to speak) in the bps rate. An
> odd thing occurred shortly after. The sparks stopped (out of nowhere). I
> immediately turned down the juice and sparks ignited again. Seems there is a
> point where the bps just gets too fast and everything stops. I tried this a
> few times and the same thing occurred. Possibly a phenomenon of running a
> low Cp value with the SISG? Not sure.
>
> I think for longer sparks, I've got to up the capacitance. One really cool
> observation is that those low cost IGBT's are doing just fine. I haven't had
> a board component die. Maybe the board quirks that others have had is due to
> high Cp and associated high energy through the gates. As far as I can tell
> so far, low Cp IGBT coils do just fine (when I say "low", I mean lower than
> the normally huge Cp used).
>
> Take care,
> Bart
>
> DC Cox wrote:
>
>> Perhaps energy vortices, similar to vortices in a fast running stream.
>> Mathematical equivalent using fractals.
>>
>> Dr. Resonance
>>
>> On Wed, Oct 29, 2008 at 7:16 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:
>>
>>
>>
>>> http://www.classictesla.com/photos/sisg/sisg-spark005.jpg
>>>
>>> Just seemed interesting
>>>
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