[Prev][Next][Index][Thread]

Re: Just One Pop (Faraday Screen)



Subject:  Re: Just One Pop
  Date:   Wed, 21 May 1997 00:10:19 -0400 (EDT)
  From:   richard hull <rhull-at-richmond.infi-dot-net>
    To:   Tesla List <tesla-at-pupman-dot-com>


>A grounded "Faraday Screen" of 1" mesh chicken wire 24" wide was hung 
>about a foot in front of the electometer ball.  The electrometer was 
>positively charged with a negatively charged Teflon rod by 
>electrostatic induction.  At 6' from the side of the ball, full scale 
>positive and negative deflections of the meter were possible by 
>wiggling the Teflon rod.  Wiggling the rod in front of the "Faraday 
>Screen" produced only the slightest meter movement.  Electrostatic 
>sheilding was almost total.
>
>Again the detuned coil was fired in single shot and continous modes 
>with the Faraday Screen in place.  Exactly as before there were 
>negative deflections in both single shot and continous modes.  The 
>Faraday Screen was removed and the experiment was repeated.  The 
>results were the same.  The Faraday Screen while effectively screening 
>the negative electrostatic field from the Teflon wiggle wand had no 
>effect on the TC carrier or mechanism that induced the negative charge 
>on the electrometer ball. 
>
>RWW
>
>
Nice experiments Richard.

These agree with some we had placed on a recent tape where a faraday
shield
didn't seem to affect the TC output as recorded on the Keithley
electrometers.

Richard Hull, TCBOR