Re: [TCML] Ambient Potential Polarity of TC - John F or Dave S has answer?

[futuret@xxxxxxx]

 I seem to remember that there was some controversy about the polarity, and the original results
were over-turned a couple of times as various experimenters found differing results.
An article was published in Electric Spacecraft magazine, and then there were
some follow-up articles.  I don't remember offhand what the final outcome was.  Maybe
Bert Hickman or others have something to say about this issue also?  I think the
question was eventually resolved.   

John

 


 

 

-----Original Message-----
From: Bert Pool <micro_wave@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Sun, Jan 31, 2010 9:49 am
Subject: Re: [TCML] Ambient Potential Polarity of TC  - John F or Dave S has answer?


As I recall, Richard Hull did some measurements with a Keithly electrometer, and determined that there was a steady state field. We know that positive and negative electrical discharges do NOT have identical characteristics, and *might* lead to a net charge of one polarity or the other. 
 
John Freau or Dave Sharpe, both who have visited Hull's labs back in the day,  might be able to confirm this with more detail.  Guys? 
 
Bert Pool 
 
 
stork3264@xxxxxxxxxxx wrote: 
 
>Assuming a simple quarter wave Tesla coil referenced to ground is there a measurable electrostatic field  potential of the ambient space surrounding the top load?  Without doubt, potential is varying between positive and negative with respect to ground.  The question is there a measurable ES field of a single polarity?  Is there favoring of positive or negative plasma discharge in air?  Is there an inherent rectification of the plasma?  For safety of our equipment measurements are usually AC.  Has anyone performed  a DC measurement of the ambient potential field referenced to ground? 
> 
>Stork 
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