On Mon, Dec 13, 2010 at 2:17 AM, <[email protected]> wrote: > In reply to David Jonsson's message of Sun, 12 Dec 2010 23:31:18 +0100: > Hi David, > [snip] > > It may be technically impossible for a significant mass, but I think that > for > individual molecules it would be trivial. > > e.g. two carbon atoms separated by a distance of say 3 Angstrom, I get > > Force to balance gravity x separation distance = minimal binding energy > i.e. > > 24*amu*g*3*Angstrom = 7.3E-16 eV > > which is absolutely trivial compared to the binding energy of most > molecules. > > If one were to use a plasma of molecular ions suspended in a DC mag field > (to > orient them), spun up with a superimposed EM field, it might have quite > some > effect. :) > > ...however I suspect that the real problem lies in that the "end point" of > the > centrifugal force is the center of rotation, not the center of the Earth. > :( >
No, rotation can be in regard to anything, not just one point. Rotation is just acceleration and it can be arbitrary. There are practical problems to do what you suggest. To align molecules like that is very hard. And there is no C2 gas molecule. David David Jonsson, Sweden, phone callto:+46703000370 > > > >I have read now. > > > >Why can't they clearly write what it is all about? It seems like mystic or > >allegoric activity. > > > >Have they just found out the effect or can they really explain what it is > >all about? > > > >The mechanics behind my effect is really simple. Horizontal movement at > the > >escape velocity causes a stable trajectory where gravity forces are > >cancelled by centrifugal forces. > > > >If they are supposed to lift a flying wheel according to my idea with most > >of its mass at its rim with a diameter of 0.4 meters they have to rotate > the > >wheel at 35.2 km/s = 28 000 revolutions per seconds = 1 680 000 rpm and > that > >is technically impossible. I think the speed record is around 500 m/s for > >extremely well balanced cylindrical gas centrifues. Even a fingerprint > will > >give the cylinder an imbalance that makes it impossible to use at full > >speed. > > > >I calculated in the following way. The escape velocity on Earth is 11.2 > >km/s. Since a rotating motion is only partially horizontal in motion the > >speed has to be multiplied with pi to get an average speed at the escape > >velocity. The rest is geometry. > > > >Laithwaite mentions speeds of 5-6000 rpm which is 0.4% of a full lift so > >maybe the effect is noticeable. > > > >David > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/Project.html > >
