Re: [TCML] Q,,question

[Yurtle Turtle <yurtle_t@xxxxxxxxx>]

Heck, once you've gone to all the trouble to split and
flatten the tubing, it would be "simple" to solder a
AWG 10 or 8 solid wire to each edge, to avoid corona.

Adam

--- resonance <resonance@xxxxxxxxxxxx> wrote:

> 
> 
> If you go thru all this trouble producing a copper
> ribbon you run into 
> another, and more serious, problem --- corona.
> 
> The edge of the ribbon is very sharp as compared to
> the well rounded surface 
> of a 3/4 inch ID copper tubing.  This effect
> produces a lot of corona 
> sweeping up the coil and will start to deteriorate
> the coil especially in 
> high performance coils that have a spark length = or
> greater than the sec 
> coil length.
> 
> If you use a copper ribbon and shoot some B&W 30 sec
> time lapse photos you 
> will see a large amount of nearly invisible (to the
> human eye) corona 
> sweeping up the coil.  Try the same with copper
> tubing and the effect is 
> very minimal.
> 
> I did this experiment near 40 years ago with an old
> B&W camera, and never 
> again use copper ribbon for any of my primary coils.
>  Copper tubing is the 
> best and certainly the most reliable solution.
> 
> Dr. Resonance
> 
> Resonance Research Corp.
> www.resonanceresearch.com
> 



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