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RE: [TCML] Questions on grounding



The word "quench" is too often grossly misused.  It means the point in time when the spark gap stops conducting.

Unfortunately, many newbies take it to mean just blowing air on a gap, which may assist quenching.  I have not witnessed it, but some have reported that spark gap performance diminishes when airflow is taken to an extreme.  I think that often, folks reason that if a little airflow is good, more is better, so they resort to unnecessary measures like using leaf blowers and compressors to blow their gaps.  I've used vacuum cleaner motors to power my sucker and hyperbaric (vortex) gaps, and never saw a benefit to using more than 20% or so of full-power to the motor.  Use a lamp dimmer to throttle it down.  It's silly to have the blower motor consume more power and be louder than the rest of the coil!

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Dex Dexter
> Sent: Wednesday, April 22, 2009 5:35 AM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Questions on grounding
> 
> 
> Bart and everybody,
> 
> Bit off topic question.
> I have heard of the possibility so called "overquenched gap".
> How strong must be an airflow through the static gap of a NST coil to observe the
> effect of the "overquenching"?
> 
> 
> Dex

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