Quote:
Originally Posted by Newo95
Another thing to take into consideration when considering using bicycle tires is their limmited contact with the ground. If you get into a shoving match with another robot, you will not only have to deal with the lack of torque caused by the large wheels, but the lack of traction between the ground and the wheel. We considered using bicycle tires for an offseason project, but the idea was scrapped due to problems with unpredictable fine control with the large wheels. This may come into play on the bonus bridges.
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The contact patch can vary greatly depending on the exact tire and the air pressure vs load.
Contact patch is only part of the traction equation, the normal force is a lot of it and as you increase the contact patch you lower the PSI of the normal force.