Hi Jasen,

 DW>> Imagine having a gas turbine, and 300 volts, right next to your ear!

 JB> 300 volts doesn't scare me - my shaver uses 230 and 300
 JB> isn't much more.

Same here. The voltage as such is no prob.

What I wonder about are the mechanical aspects. The rotor must ¨be making
an awful number of revs and although it is small, a ¨substantial amount of
kinetic energy must be involved. If a ¨bearing blows... And what about the
gyroscopic momentum?

 JB> the other place theses will find applications is in laptop
 JB> computers. and that scares me a little more...

Why?

Cheers, Michiel

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