On Fri, Sep 9, 2011 at 11:16 AM, Rob Butts <r.but...@gmail.com> wrote: > I have asked this question on this forum before but I never got a > definitive answer so forgive me for asking it again. > > > Does anyone know the theory behind the design of an electromagnetic > bicycle. I thought it was bringing in magnetic fields close to a > spinning metal disc but I'm not sure so I'm asking here.
Are you referring perhaps to an electromagnet brake? TLDR version. A moving conductor in a magnetic field produces an electric current which produces an electromagnetic field which oposes the initial magnetic field resulting in a braking effect. More detailed version: http://www.lmgtfy.com/?q=electromagnetic+brake&l=1 _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user