[robochick1319]

Originally Posted by Alan Anderson

Indeed, for much of the development of the TechnoKats' mecanum software this year the wheels would have a fit if they were lifted from the ground. The robot would jerk back and forth as the wheels convulsed, and it could easily have rocked itself off a set of blocks. Using closed-loop speed control does not play well with unloaded motors.

Really? We've used mecanum (even this year) and never had this "jerking" issue that rocked solidly placed blocks.

I guess I'm picturing jacking the robot up like a car then testing the wheels. Is there really that much sideways movement when your run the wheels off the ground?