Re: Sword-like VTTC spark pix at my website

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-uswest-dot-net>" <m.j.watts-at-massey.ac.nz>

On 7 Feb 01, at 17:27, Tesla list wrote:

<snip>
> A coiler named John Kent has built a spark gap coil which ran at a
> moderate bps, and gave a most unusual straight-ish spark from the top
> of a sherical top load.  This spark, which was similar to my sword
> like VTTC spark, actually rotated like a corkscrew or vortex.  He
> called this type of spark a "sprite".  I've never heard of this type
> of spark from anyone else.  It was a rather remarkable thing to see. 
> As the coil ran, this condition would occasionally disappear, and a
> normal type of spark would form.  Then at some point, one could see
> the corkscrew effect starting to form again.  It was very interesting,
> and it would be interesting to experiment with such effects.   I
> realize that spherical toploads often form a straight spark, but this
> was somewhat different than other cases I've seen.

I would call it a Tesla Tornado.

:)
Malcolm