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Re: Final test on new TC



Subject: 
            Re: Final test on new TC
       Date: 
            Tue, 25 Mar 1997 15:01:11 +1200
       From: 
            "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization: 
            Wellington Polytechnic, NZ
         To: 
            tesla-at-pupman-dot-com


Hi Skip,

> For the first time I have witnessed what R. Hull refers to as synergy. I
> never have been able to get the discharges to emanate from the purposely
> placed bump on the toroid. I always seemed to have multiple discharges
> which rotated around the toroid but never concentrated at one spot. In
> this particular instance I achieved what appeared to be pretty good tune
> between the primary turns, cap and toroid size.At this point I started
> to decouple the secondary by raising it .75" at a time. Interestingly
> with the secondary almost exactly 4" above the primary the discharges
> became concentrated at the bump on the toroid. .75" above or below this
> point caused the discharges to again split up and rotate around the
> toroid. Also at this coupling the primary tuning became very sharp. Plus
> or minus one turn reduced the discharges by almost 1/2. Changing the
> size of the toroid also reduced the discharge length. *This is synergy.*

How did discharge length vary with different secondary heights when 
the primary was exactly tuned?

Malcolm