Re: Source for Aluminum Spheres (up to 12" threaded)

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

Original poster: Ed Phillips <evp-at-pacbell-dot-net> 

Tesla list wrote:
 >
 > Original poster: "Mccauley, Daniel H" <daniel.h.mccauley-at-lmco-dot-com>
 >
 >  >      Has anyone here ever compared large spheres with toroids for top
 >  > loading of high-power TC's?
 >  >
 >  > Ed
 >
 > Toroids do much better than spheres.  I believe the first person to
 > start using toroids was back in the 1970's from
 > what i've read from Richard Hull's historical notes.
 >
 > Dan

	In what way better?  Clearly they work just fine but wonder what their
edge is over a sphere with the same breakdown voltage.

Ed