Re: Large Van De Graaf Sphere

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

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Dwight.Crider-at-regulusgroup-dot-com>
> 
> You might find  large "old dish pans or wash tubs" that could be TIG welded
> to heavy guage sheet aluminum to give a flattened, rounded cylinder,
> possibly for $50-100 total. This would not be 4' in diameter but still
> large by most standards. FWIW, The larger Van De Graaf generators I have
> seen were shaped similarly. I have seen kitchen aluminum cannisters used
> for smaller devices.(Same shape)  ||;o)
> 
> Dwight Crider

	My "large" VDG uses two haves of a spun toroid for the two ends, plus
just such a cylinder between them.  Don't think it increases the
breakdown voltage, but it does increase the capacitance and create a
more impressive bang when it sparks.

Ed