Quote:
Originally Posted by thatguitarguy
Perhaps someone should take high school physics. More bumps do not equal more grip. If this were so, drag racers, NASCAR racers, IRL racers, Formula 1 racers, etc., would want bumpy race surfaces. The very opposite is true. They put smooth grippy tires on smooth track surfaces. The reason street tires are not smooth like race tires, is that they have to be able to displace water.
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The concrete surface is rough, If you run your hand over it you will abrade your skin. The smooth tire has the most surface area in contact with the concrete, that's why they use them when it's dry-- wait, aren't you arguing that surface area doesn't matter??
Why do race cars have wide tires with no void space? And don't say for longer tread life, because they could accomplish that by using thicker rubber, without having the disadvantage of heavier wide wheels.