Re: [TCML] A New Kind of Valve Coil

[Roger Smith <rwsmith@xxxxxxxxxxxxxx>]

On 6/7/2011 10:22 PM, 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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Hi Phillip,  Thats quite a remarkable setup there.  Is there anything 
special you had to do to the 833 tube coil so that it could handle this 
pulsed mode operation.   I noticed that the tickler coil was up kind of 
high but I'm guessing that that's where you keep it for CW operation as 
well.

Roger
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