----- Original Message ----- From: Harry Veeder <hvee...@ncf.ca> Date: Tuesday, September 1, 2009 8:40 pm Subject: Re: [Vo]:More stuff on ball bearing motors
> > > ----- Original Message ----- > From: Horace Heffner <hheff...@mtaonline.net> > Date: Monday, August 24, 2009 4:08 am > Subject: Re: [Vo]:More stuff on ball bearing motors > > > > > On Aug 23, 2009, at 3:51 PM, Harry Veeder wrote: > > > > > Six links to papers on ball bearing motors, but > > > none of them give you access to free papers. :-( > > > > Thanks for posting all this! > > > > > > > > > > Some appear to contradict Horace's finding concerning non- > > > ferromagnetic > > > materials. > > > > > > Harry > > > > The ball motor only in theory. Experiment trumps theory in my > > book. > > Note statement: "Experiments have not confirmed ...". Note also > > the > > comment "However, this torque is [theoretically] too small in > > practice to keep a ball bearing motor running." > > I was alluding to the first paragraph of the introduction to this > paper: > > http://www.springerlink.com/content/l5618xjmt127xq62/ > > where they *claim* it works with ferromagnetic and non-ferromagnetic > materials. > > > Harry Sorry Horace I realized my mistake. The nonmagnetic (stainless steel) bearings you tested are not ferromagnetic *and* not paramagnetic. Harry
