Catching up on an older post. ----- Original Message ----- From: Harry Veeder <[email protected]> Date: Tuesday, August 18, 2009 8:02 pm > > ----- Original Message ----- > From: Horace Heffner <[email protected]> > Date: Tuesday, August 18, 2009 7:21 pm > > > > On Aug 18, 2009, at 11:34 AM, Harry Veeder wrote:
> > > > > >> I've definitely nailed down the effect > > >> > > >> is electromagnetic. > > > > > > I'd say you have demonstrated a necessary condition but not > > > necessarily > > > a sufficient condition for the effect. > > > > > > The effect works with magnetic bearings and not with non-magnetic > > > bearings. That is sufficient to establish the effect is > > electromagnetic. Further, a back-emf is produced, which confirms > > it > > is electromagnetic. How can these facts be if the effect is not > > electromagnetic in nature. Heat is totally ruled out as a cause. > > Your conclusion is based on the premise that there are two mutually exclusive causes -- heat vs electromagnetism. You have ruled out thermal expanison, and ruled in electromagnetism but that is not the same thing as establishing the effect is *entirely* electromagnetic since heating may inform in the electromagnetics. Harry
