-=> Mike Ross said to Greg Mayman
 -=> about "VEHICLE LED'S" on 09-08-03  08:46.....

 MR> It wouldn't be the hysteresis but the permanent magnetizing flux. For
 MR> example the iron pole pieces line up with the permanent magnet poles
 MR> and it take a certain amount of force to turn the rotor to a position
 MR> inbetween, then it snaps back lined up with a pole.

...which should return the power lost in the first place.

In truth the drag when the lights were off was most likely losses
due to eddy currents in the iron pole pieces.

From Greg Mayman, in beautiful Adelaide, South Australia
   "Queen City of The South"    34:55 S  138:36 E

... Don't sweat it, it's only ones and zeros.
___ Blue Wave/386 v2.30

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