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Re: [TCML] A New Kind of Valve Coil
Hi,
The bus caps on the bridge are 15000µF. They are wired in series
since I use a doubler so the the bus sees 7500µF. The doubler on the
output is made of four 1µF caps wired series parallel for a total C of
1µF. The resonant cap is about 1.5µF.
-Phillip
As a side note ... I forgot to link these image in the original post.
http://www.flickr.com/photos/pslawinski/5531054068/
http://www.flickr.com/photos/pslawinski/5572701703/ These images
show the longest sparks I've made with the coil.
On Sat, Jun 11, 2011 at 11:14, Quarkster <quarkster@xxxxxxx> wrote:
> Phillip -
>
> Very impressive; expanding Tesla coil design into a completely new area combining modulated power supply & vacuum tube.
>
> What is the capacitance value and voltage rating of the high-current "DC link" capacitors used in your SLR modulator?
>
> Quarkster
>
> --- On Tue, 6/7/11, 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: Tuesday, June 7, 2011, 8:22 PM
>
>
> 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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