I have no clue. All I know is that every year the riddle in the clue has confused me but this year it is the lack of confusion that confuses me. - hallk [more]
We have found some variation in the CIM motors. Some will have no bias while other will have noticable forward or reverse bias. This is one of the reasons why we twisted the cans on ours to balance them last year -- to make them all consistant.
twisted the cans? can you explain further on this? do you mean you realigned the brushes to the magnets? is that allowed?