On Wed, 27 Apr 2005, Prometheus Effect wrote: > I can only report on what I achieved and from memory > it was not stable.
So then, stable or not, what was *your* record for number of roll-arounds? > To do this required a lot of lift > and as I only used ferrite fridge magnets this was not > that easy. Epitaxy reported much better results but > then he used Neos and an exotic glass ball filled with > compacted ferrite powder. > > Experience has shown that going down this pathway > (linking multiple ramps in a circular form) was not a > good idea. Ball rolling losses increase quite a bit > when the inside and outside track radius are different > and you still have significant magnetic drawback to > deal with. Its only by exiting straight down that you > can make dragback insignificant. > > Greg > > Find local movie times and trailers on Yahoo! Movies. > http://au.movies.yahoo.com > (((((((((((((((((( ( ( ( ( (O) ) ) ) ) ))))))))))))))))))) William J. Beaty SCIENCE HOBBYIST website billb at amasci com http://amasci.com EE/programmer/sci-exhibits amateur science, hobby projects, sci fair Seattle, WA 206-789-0775 unusual phenomena, tesla coils, weird sci