"Jim Thompson" wrote in
message ...
On Sun, 27 Jan 2008 04:24:30 -0600, "Stephen J. Rush"
wrote:

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.


Or 3-phase electronically commutated DC motor.

...Jim Thompson


The trick will be getting a tap onto the underside of the board. It looks
as if it will be a 30 gauge wire solder job so nothing to difficult . This
motor
has compression contacts to the PCB.