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Re: [TCML] July 4th and why not to be in a hurry



It's hard to see what's wrong with the coil in this video.  I'd consider
that a good run if my coil was running like that ;).  Of course it's hard to
see anything at all in that video.  It would have been nice if the camera
had been fixed, and there was less zooming.

On Sun, Jul 6, 2008 at 10:02 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:

> Hi All,
>
> On July 4th, I ran my coil designed for my SISG circuit, however, I did not
> run it as an SISG. I ran it with my VFD RSG instead. I had 1 day to install
> the motor, stationary electrodes, wiring, etc... I was in a hurry. I
> finished the basics Thursday. About noon on the 4th, I set the coil and
> components out in the driveway. I didn't do a test run until about 5pm. Two
> problems occurred. Ballast variac was arcing. Found one of the terminal
> wires arced to the variac chassis. Fixed it. Then shorted the feeds at the
> coil base. Fixed that. I ran it for about  seconds after and left it until
> dark.
>
> I ran it 3 times during the fireworks and all. The 2nd run was not so good
> and this is what I wanted to show you. It just so happened that my buddy
> down the street showed up for that particular run and brought his video
> camera. So I was able to at least get that run on video. It's probably good
> to identify visually when a coil is not well tuned, is running poorly,
> striking the primary way too often (poor field control), and just all around
> lousy performance (what we want to avoid). So I have a video of sorts for
> that particular run if interested. In the last run of the night, I turned
> the voltage up and increased power enough to get past most primary strikes,
> but there were still a few (longer sparks and some ground strikes, but still
> not up to par).
>
> The following run is a medium power setting which is not always good for
> the coil. Just enough power to play havoc with the primary.
> On a positive note, you can at least hear the VFD rotary. Normally, when
> control is good, I have more fun just fooling around with rotary speed. But
> not so much this time. Of course, friends and neighbors watching had no clue
> how bad this run was.
>
> http://www.classictesla.com/july4th.html
>
> Take care,
> Bart
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>
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