Re: [TCML] A New Kind of Valve Coil

[Bert Hickman <bert.hickman@xxxxxxxxxx>]

Thanks, Phillip - very interesting videos!

I found the evolution of the heavier/hotter portions of the channels 
from (mostly) straight to writhing and tortuous forms especially 
interesting. The relatively slow evolution implies that helical 
discharges often observed with VTTC's or other slow-envelope systems may 
be mainly due to thermal effects and turbulence/vortex formation. If the 
discharges were being driven by electromagnetic forces, the effect might 
occur much earlier in spark growth. Good stuff!

Bert
--
Bert Hickman
Stoneridge Engineering
http://www.capturedlightning.com
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Phillip Slawinski wrote:
> Hi All,
>
> I just wanted to share my project of the past few months with the
> list.  It's a new type of valve coil.  Gone are the microwave oven
> transformers, and in their place is a digitally controlled power
> supply.  This is basically the Valve-based answer to Steve Ward's QCW.
> Credit goes to Steve Ward for help with the design of the frequency
> modulated SLR power supply.
>
> If you want more details, just ask.
>
> Here are some videos.
>
> Overview of the system ->  http://www.youtube.com/watch?v=Oman-AoXXSo
>
> 1000FPS video of spark growth (48" sparks) ->
> http://www.youtube.com/watch?v=YNAgG6DqRQE
>
> -Phillip Slawinski
> _______________________________________________
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> Tesla@xxxxxxxxxx
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