It didn't seem to be out of tune at all and the breakout point was just a
small nail on the toroid. Im assuming the issue lies more in the increased
top load voltage. Thanks though!
Jeremy
On Jan 3, 2014 5:05 PM, "Stan Gray" <wsmg@xxxxxxx> wrote:
> Did you try retuning?
>
>
>
>
> ________________________________
> From: Jeremy Gassmann <jeremyee78@xxxxxxxxx>
> To: Tesla List <tesla@xxxxxxxxxx>
> Sent: Friday, January 3, 2014 2:02 PM
> Subject: [TCML] Breakout point or no breakout point
>
>
> Hello everyone,
> Happy new year! To celebrate the new year this year, I gave a demo of
> my coil to some friends (and neighbors if they were watching). I was
> actually able to do it outside for the first time and tried taking off the
> breakout point since I wasn't concerned where the streamers came out. When
> I did this, however, I began getting racing sparks up the secondary. I know
> that removing the breakout point increases the top load voltage by a
> certain amount but I was surprised that it gave me the racing sparks issue
> as I thought that was related to the primary-secondary coupling. So I guess
> my question is...is it better to use a breakout point or can you typically
> get longer streamers without it since the voltage would be higher? How do I
> fix the racing sparks issue in the no breakout case? Simply raise the
> secondary some? Or would adding a smaller toroid under my main toroid but
> closer to the secondary help control the fields some? I know I would have
> to retune the primary some in this case but thought it might be worth it.
> Or would it even be better to just use the smaller top load?
>
> Here is a quick description of my coil: NST driven (15 kV, 120 mA total),
> 0.04 uF MMC, 8" x 36" secondary, large top load is 7" x 29" and smaller
> toroid is 4" x 22", spark gap is a synchronous rotary gap. If I missed any
> thing, please let me know. Thanks a lot in advance!
>
> Jeremy Gassmann
> Cincinnati, Oh
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