Re: Spheres on toroids

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

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

Hi Thomas,

OK, I'm jeolous.  How did you edit the shape for the field plot?  Is there a
README file somewhere?  I need to rerun inca again and see if I can figure
this out.  The field plot is a very neat feature.  Thankyou Antonio.

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.
 >
 >