Quote:
Originally Posted by Vikesrock
As Eric mentioned, this is actually NOT what you typically want to do. If the CG is directly above the center wheels the robot will tend to rock far more frequently than if the CG is located in front of or behind the center pair.
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Weight distribution is like Eggs for Breakfast: Some people pay more attention to detail than others. I personally like to have my weight centered when I build a 6 wheel, and will shift the middle wheels to match. If your robot is actually "rocking" to the point where it's affecting your steering, you may have dropped your center wheel too much. It really doesn't take much, if ANY, drop to allow a 6 wheel to turn without bouncing.
EDIT: Example of drop not being entirely necessary if you do your design work right: Team 25. Those crazy folks haven't dropped a wheel in years, and they don't bounce...