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Originally Posted by Yov
dropped down?
meaning the two middle wheels are lower than the others?
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Yes, like I said in my first post, if you have the center wheels lower, when you turn, the robot will pivot on them, which allows you to have to overcome less friction, which means turning is easier.
by lowering them just a slight amount, you still at any given time have the robot's mass over 4 powered wheels that are on the floor which means no significant (assumption, haven't done a study
) loss in traction