In reply to Harry Veeder's message of Thu, 22 Feb 2007 14:11:03 -0500: Hi, [snip] >Michel Jullian wrote: >> >> The tube doesn't oscillate because the process Robin described is continuous. > >For this to be plausible the tube could never be neutral. In fact, if the >tube's charge were to fall below some minimum value the tube's weight will >cause it to drop. > >Harry
As long as power is supplied, it isn't neutral. Since the mass of the tube(s) is by definition less than that of the whole lifter, as power is applied, the tube will lift first, then with application of additional power, the whole lifter will rise. Regards, Robin van Spaandonk http://users.bigpond.net.au/rvanspaa/ Competition (capitalism) provides the motivation, Cooperation (communism) provides the means.