On Feb 4, 2009, at 11:24 AM, Terry Blanton wrote:

They are also claiming passive magnetic bearings.

Terry

Maybe they don't understand Earshaw's Theorem? Or maybe using superconductors (which also requires power.) See:

http://en.wikipedia.org/wiki/Earnshaw%27s_theorem

OTOH, it is well known that magnetic bearings can partially eliminate bearing loads - so what is it new that they have to offer?

Best regards,

Horace Heffner
http://www.mtaonline.net/~hheffner/




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