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Re: Spheres on toroids



Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net> 

I figured it out!!!  Great addition to the tools available for this group.

My thanks to Antonio for this great program and to Paul for the on line
discussion.  This is exactly what I wanted.

Gerry R
Ft. Collins, CO



 > Original poster: Thomas <tom-at-pwrcom-dot-com.au>
 >
 > Found it.
 >
 > It is an exceptional program, after fiddling with the default parameters
for
 > 5 minutes I could plot any shape I wanted. Well done Antonio - very
 > intuitive.
 >
 > After drawing all sorts of shapes, made of toroids cones and spheres, I've
 > come to the conclusion that the toroid is best. It shields below and is
most
 > likely to break out on the side. I'm still experimenting though, it's
going
 > to take a bit of calculation to draw the phi toroid/sphere thing someone
 > posted earlier.
 >
 > The good news is I've been able to cancel the sphere order.
 >
 > Thanks Bart and Antonio.
 >
 > Tom.
 >
 >  > > Original poster: Bart Anderson <classi6-at-classictesla-dot-com>
 >  > >
 >  > > Hi Tom,
 >  > >
 >  > > I used Antonio's Inca program to play with the toroid_sphere
 >  > > case. Take a
 >  > > look at the Efield plot.
 >  > > http://www.classictesla-dot-com/temp/toroid_sphere.jpg
 >  > >
 >  > > Max field is at the predominantly blue area of the toroid
 >  > > (where streamers
 >  > > will breakout). But what I find interesting is the how the
 >  > > sphere has moved
 >  > > the toroid max field downward on the toroid. Wonder if that's
 >  > > a problem? I
 >  > > guess the toroid affects the sphere similarly.
 >  > >
 >  > > Take care,
 >  > > Bart
 >  > >
 >  > > Tesla list wrote:
 >  > >
 >  > > >Original poster: Thomas <tom-at-pwrcom-dot-com.au>
 >  > > >I've just purchased a 440mm (~16") sphere for the top of my
 >  > > 6" x 27" Tesla
 >  > > >coil. It won't arrive until the new year.
 >  > > >
 >  > > >This sphere will sit on top of the already existing 125mm x
 >  > > 375mm (~5" x
 >  > > >~15") toroid.
 >  > > >
 >  > > >Is it likely that I will still only get streamers from the
 >  > > toroid (as the
 >  > > >radius of curvature is smaller than the sphere and hence e
 >  > > field strength
 >  > > >larger)?
 >  > > >
 >  > > >Tom L.
 >
 >