Imagine an electric power steering unit that doesn't need any oil. Oh, wait,
my ION has one. Never mind.

"Philip Nasadowski" > wrote in message
...
> In article >,
> richard hornsby > wrote:
>
> > So maybe it would scale ... but is it cost effective, as you pointed
out.
>
> Yeah, once they change over their manufacturing, it would be. The
> trouble is the motor drive cost is STILL an issue. Then again, think of
> all the great advantages to it - imagine a steering rack with the power
> pump in the rack, motor submerged in oil. Can't do that with brushes.
>
> Oh yes, more modern RR equipment uses 3 phase AC induction motors for
> traction.