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Re: [TCML] A New Kind of Valve Coil
Beautiful work Phillip, I am sure that we'll see a lot of more experiments in this "controlled voltage feeding systems" area. Your growing spark images resemble very much with the streamer formation I see on the high speed movies of lightning bolts. I think that V-envelope control is a good method to grow very long sparks.
--- On Wed, 6/8/11, Phillip Slawinski <pslawinski@xxxxxxxxx> wrote:
> From: Phillip Slawinski <pslawinski@xxxxxxxxx>
> Subject: [TCML] A New Kind of Valve Coil
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Wednesday, June 8, 2011, 6:22 AM
> 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
> 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
> 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) ->
> -Phillip Slawinski
> Tesla mailing list
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