Thanks I wanted some feed back before I tried anything. Im the best when it comes to learning the hardway.
Sent from my Cricket smartphone
-------- Original message --------
From: Jon Danniken <danniken@xxxxxxxxxxx>
Date: 12/23/2014 14:25 (GMT-06:00)
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] New nst/primary strikes
On 12/22/2014 08:50 PM, John Cooper wrote:
> Have two nst's for12kv 60ma total now. Longer streamers now. Too
> long sometimes they blow by the strike rail to the primary. Its 21"
> from bottom of topload to primary copper tubing. The strike rail sits
> 3.5" above primary. I tried putting my smaller 3"x15" toroid under
> the 4"x17" to raise but still hitting primary. A breakout rod point
> up helps a lot but every now and then it hits bottom. I'm
> considering doing the 6" secondary which would add another 15" in
> height above primary but until then Is there anything other than
> breakout points that would help. Would changing the diameters of the
> toroid help? Ie using different size pie pans with dryer duct. My
> thinking is if it was wider then the primary coil would not be right
> under.
>
>
> My secondary windings start flush with the primary, if I raise it the
> coupling will become weaker meaning shorter streamers?
>
>
> I've seen some coils on youtube and the streamers go down but outside
> the primary, wondering if my strike rail was removed would that stop
> it from attracting it to the primary?
Yes, I believe it was Terry Fritz who modelled the strike rail, and
found that it was an attractor for streamers. I ditched mine and found
that it drastically reduced primary strikes.
If you are already getting primary strikes, it won't hurt to experiment
by removing the strike rail.
Jon
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