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RE: [TCML] Questions on grounding



The issue is that without forced air, the gap will fire more often at a lower voltage and give inferior performance.  This has been verified my many people by observation of performance.  I'll guess that both real and apparent power will be higher with forced air, but I'll leave it to you to confirm this with power measurements ;-)

It may also be that quenching suffers for lack of air flow.  If that is true, the input power draw may not change significantly.

Regards, Gary Lau
MA, USA



> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Dex Dexter
> Sent: Thursday, April 16, 2009 5:04 AM
> To: Tesla Coil Mailing List
> Subject: RE: [TCML] Questions on grounding
> 
> Does that mean that power input (W) increases while apparent power drawn (VA)
> remains aprox. the same in a cooled static gap tesla transformer?
> 
> 
> Dex
> 
> --- chriskarr4@xxxxxxxxxxx wrote:
> 
> From: Christopher Karr <chriskarr4@xxxxxxxxxxx>
> To: Tesla Pupman List <tesla@xxxxxxxxxx>
> Cc:
> Subject: RE: [TCML] Questions on grounding
> Date: Wed, 15 Apr 2009 12:50:15 -0700
> 
> 
> Hello Joe,
> The reason that a fan on the spark gap helps improve output of a Tesla coil is that it
> helps to extinguish the arc and blow out the ions. When the ions are all gone, the
> gap takes a higher voltage to make it break down, which means that there's more
> 'bang energy', resulting in more energy transferred to the secondary coil and that
> means larger streamers on the output.
> Christopher

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