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Re: Tesla history project

Original poster: "Harold Weiss" <hweiss@xxxxxxxxxx>

Hi Ed, All,

This might be something for those with INCA to try modeling. That might give us the story of how the bumps worked. With all the extra surface area, it might boost the capacitance for a given shape. (my guess) Thinking about the leaves of an electroscope, it might drive the charge to the inside surface, thus raising the breakdown voltage.

David E Weiss

Original poster: Ed Phillips <evp@xxxxxxxxxxx>

"Hi Dave,

In his patents, he shows a Wardencliff type tower with a large toroid
instead of a mushroom.

David E Weiss"

I suspect that general shape is a more efficient use of material than a
toroid, but the reason for the "bumps" has never been clear to me since
they must result in some increase in local field and hence lowering of
breakdown voltage.  Has anyone ever seen an explanation?  They look
sorta cool but............