Dual spark gap With 1/4" copper electrodes, 7.5k NST, 10 - .15MFD X 2000K
caps.
If you want detail pictures I can send them to your private email.
Doug
On Mon, Feb 18, 2019 at 4:46 PM David <zipo@xxxxxxxxxxx> wrote:
> Doug, could you tell a little more about your power source and spark
> gap, please.
>
> Dave
> Nokesville va.
>
> On 2/18/2019 3:45 PM, Douglas Johnson wrote:
> > Gary, That is my plan but first I want to be getting the most I can out
> of
> > the coil.
> > Doug
> >
> > On Mon, Feb 18, 2019 at 3:34 PM Gary Lau <glau1024@xxxxxxxxx> wrote:
> >
> >> Assuming that you still have those sliding secondary coils to facilitate
> >> coupling adjustment, can you slide them while the coil is running and
> see
> >> if spark length strictly diminishes with lower coupling, or if there are
> >> any peaks or nulls along the way?
> >>
> >> Gary Lau
> >> MA, USA
> >>
> >> On Mon, Feb 18, 2019 at 1:50 PM Douglas Johnson <doug379306@xxxxxxxxx>
> >> wrote:
> >>
> >>> Here is another video of the adjustable coupling. original primary was
> 10
> >>> turns .060 wire, this primary is 4 turns of 1/4" copper. Both primary's
> >> are
> >>> 5" total diameter. Performance is much better!
> >>> Doug
> >>> https://youtu.be/mXPoXpcY0so
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