Chris Loiacono wrote:

> That's why I went to 5V motors for next tests. Also Bipolar.


Don't fall victim to fashion and assume bipolar is always
better. Bipolar is better for HOLDING torque, generally
40% better for same motor current.
However it has double the inductance of unipolar and
torque at speed will be LESS than unipolar.
This is seen much more pronounced when the motor is
an older type where the magnetic and electric properties
were DESIGNED for max performance in the unipolar mode.
-Roman

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