Re: Primary calculations

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Stolz, Mark by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mark.Stolz-at-st-systems-dot-com>

Hi Duncan, All

My copper ribbon is also approx. .035" thick, but is 2" wide.  Would that
make a significant difference?  After further thought on this I am thinking
that if I pretend this is a 2" circumferance copper tube that's been
flattend out, my diameter would be D = C/PI or .0636 = 2/3.14?

Mark Stolz
Houston, TX

>Original poster: "Dr. Duncan Cadd by way of Terry Fritz 
><twftesla-at-qwest-dot-net>" <dunckx-at-freeuk-dot-com>
>
>Hi Mark, All!
>
> >I am about ready to construct my primary and have a problem.  All of the
> >"popular" TC programs that I've looked at require a diameter for the
primary
> >conductor.  I was planning on using a flat copper "ribbon" for the
primary.
> >Math is not my strong suit so I was going to rely on the program to do
the
> >calculations.  Does anyone know of a program that can do these calcs for
me?
>
>
>It shouldn't make much difference if you simply use the thickness of
>the ribbon in place of the diameter of the wire, even if the result
>isn't spot-on, you'll be plenty close enough to get sparks off the
>topload.  Then you can do the final tuning by the tried and tested
>try-it-and-see routine.  I used brass "boiler band" from a model
>engineering supplier (half inch by ~0,035") and had no problems with a
>*very* crude guesstimate.
>
>Dunckx
>Geek #1113 G3
>


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