Quote:
Originally Posted by Tom Ore
The rollers aren't necessarily free to spin. Some spin fairly well, others are sticky, some are stuck. The newer AM mecanums seem to be more consistent than the older ones. Breakaway was rather rough on the mecanums - bouncing down the back side of the bump bent the screws holding the rollers and the rollers would stick.
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If the rollers are not free to spin, then the wheel is no longer operating as a mecanum wheel.
... and if a swerve steering motor burns out or jams, the wheel is no longer swerving and the affected wheel will scrub.
BTW, don't use mecanum on dusty dirt, you are asking for trouble. The roller "bearings" will get contaminated and it won't operate properly any more.