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Re: How to rise the secondary? (fwd)





---------- Forwarded message ----------
Date: Tue, 14 Jul 1998 23:42:37 -0600
From: terryf-at-verinet-dot-com
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: How to rise the secondary? (fwd)

At 10:18 PM 7/14/98 -0600, you wrote:
>From: "Robert W. Stephens" <rwstephens-at-headwaters-dot-com>
>To: Tesla List <tesla-at-pupman-dot-com>
>Subject: Re: How to rise the secondary? (fwd)
>
SNIP>>>>>>>>>>>>>>>>>>>>>>>>.
>
>John,
>
>I hope you can be as suprised as I was when I made this physical test.
Take an 
>average TC that can produce a solid 8 foot discharge, even on holidays.  Take a
>straight piece of copper wire, aluminum , steel or even a salty piss trail
on an 
>otherwise insulating rug  that equals the let's say 8 foot output spark length.
>Electrically connect this conductor to your topload and suspend this piece of
>straight outwardsbound conductor radially away from the topload of your coil
>discharge terminal through the help of insulating nylon fishing line, or 
>plastic barrels.  With an o-scope and signal generator measure the
secondary Fo 
>of the HV resonator before and after the introduction of this electrically
isolated
>streamer length wire representation model!
>
>Hint: If the software program you rely upon doesn't anticipate this 
>experiment I suggest you test this effect in real hardware and find a 
>way to include it's variability into your software.  It is rather 
>significant!!!!
>
>I suggest that you will discover that a long streamer causes a great 
>deal more than _insignificant_ tuning and loading effect upon a 
>non-sparking Tesla coil.
>
>Richard Hull and many others of us with dirty hands now know this well from
>the doing.
>
>Robert W. Stephens



A very interesting post and idea!!!!  My models don't do this type of load
effect but they probably should!  I hope it can be modeled as a lumped
parameter :-))

        Terry Fritz