Re: Spark Gap Problem

• To: tesla-at-pupman-dot-com
• Subject: Re: Spark Gap Problem
• From: Wells Campbell <wellscampbell-at-erols-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Wed, 28 Apr 1999 17:05:15 -0600
• Approved: twf-at-verinet-dot-com

Tesla List wrote:
> 
> Original Poster: Adam <psycho-at-tradewind-dot-net>
> 
> I just finished my Gary Lau style vacuum cleaner spark gap, and I've got
> a bit of a problem.
> 
> Whenever the gap is close, as in Tesla Coil use, the vacuum cleaner
> motor starts to have a heart attack.  As soon as the gap is widened to
> about .25 inch, which is totally unrealistic, everything is fine.
> Suggestions?
> 
> Thanks,
> Adam


It sounds like back-pressure is overloading your motor. You could
fashion a variable vent in your line, keeping pressure high, but
increasing airflow. . You could even vent this "bleed-off" flow towards
the electrodes and mounts, to further dissipate heat. 

Good luck
Wells 

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