The specs you're listing are wrong. Bipolar parallel amps are exactly double bipolar series amps. Unipoal amps should be approximately 1.4 times bipolar series amps. Seems like it might be the following, but I'm not sure:
Bipolar series - 2.9a
Bipolar Parallel - 5.8a
Unipolar - 4a
The voltage varies according to the a. Bipolar series V is double bipolar parallel...
What are all the specs on the motor plate?
How much more torque bipolar parallel has over bipolar series has is dependent on speed. The faster you go, the greater the difference.
As for the Xylotex, I need to know the correct specs for the motor. But, if it is 2.9a bipolar series, you'll get about 86%, or about 170oz-in of torque from this motor and a Xylotex.
__________________
Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
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