"Ignoramus7943" wrote in message
...

On 2010-01-03, Ed Huntress wrote:
This is a very cool technology. The price is a bit
steep...$45,000...gag,
so it's not a hobbyist item. But it would be very, very cool to have some
of
these suckers.

Baldor is planning to use them in some new motors, for up to 30,000 rpm.

http://www.nytimes.com/2010/01/03/bu...novel.html?hpw


Here's a stupid question. Suppose that your device is running happily
on those magnetic bearings.

Then, wham, power to them goes out.

What will happen?

i

That's answered in the brief article linked to above.

--
Ed Huntress