In reply to R C Macaulay's message of Fri, 10 Oct 2008 16:47:43 -0500: Hi Richard,
Maybe real tornadoes do this when they suck something up with a difference consistency (e.g. pass over a pool). If so, then you may not have much luck recreating the effect with a vortex in pure water. >Howdy Jones, >I have been reading this thread with interest. We believe a vortex >configuration whereas the center funnel can be "formed or shaped" into a >series of several "hourglass" stages, progressively larger toward the top, >may add much. It may be possible to configure these "hourglass shapes" using >magnets. We are working on it but have yet to produce one in the test tank. >A keen observer of vids of tornadoes can occasionally see several of these >"hourglasses in the funnel. It is interesting that these particular funnels >are the the one's that create inner funnel lightning. The vids show an >occasional "inner lighting effect". >Strange and wonderful stuff.. Fun stuff. >Richard > > >Jones wrote, >>Magnetization might help. Regards, Robin van Spaandonk <[EMAIL PROTECTED]>