"Stephen J. Rush" wrote in message
. ..
On Sun, 27 Jan 2008 07:40:28 +0000, Lord Garth wrote:

This motor apparently has 3 coils with one end common to all three. The
motor came from a Western Digital drive. Does anybody know the pulse
pattern to the coils?

Nidec will never reveal nothing.

Sounds like it wants 3-phase sinewave power. You wouldn't want a stepper
for a spindle motor; the application needs constant angular velocity.


Thanks for that, I'll look into it as soon as I can get the scope over here.