Quote:
Originally Posted by ZakuAce
Has anyone seriously considered a robot with two wheels in the middle as the drive wheels and having it pivot? We're thinking it would get good traction, as all the weight (well most of it) would be on the two drive wheels, and the trailer would help balance out the wheels to keep the center of gravity in the middle. Also, the simplicity factor would allow us to spend more time making a way to score.
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This would give you no more traction than a 4WD robot as the downward force (max ~150lbs) is the same.
It would reduce your force required to turn (scrubbing) significantly.
I would be concerned that when you are fully turned (60+degrees difference between your robot and your trailer) you could possibly tip enough to touch the floor (breaking the rules) or tiping outside the envelope.
Also, I believe the robot needs to fit within the sizing box without being supported by the sizing box, and a 2 wheel bot may not do that on it's own.