On Wednesday, January 23, 2013 5:27:11 AM UTC, Wes Groleau wrote:
On 01-22-2013 10:36, Jon Danniken wrote:

They're just little sync motors, like you'd find in a clock. To save

money, they don't have any provision to determine which way they spin,

so direction of travel is determined by pole proximity.



That may be true of some, but most I've seen NEVER go in the same

direction twice.


They must do as there's only two directions clockwise and anti-clockwise ;-)



--

Wes Groleau



In any formula, constants (especially those obtained

from handbooks) are to be treated as variables.