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Old 03-02-2006, 06:25 PM   #11
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you also have to consider ground pressure through the contact patch say yo have a 10" wide contact patch now and you go to a 15 " contact patch you are basically putting about 1/3 less pressure to the ground per square inch so it can work both ways snow wet it will be a disadvantage dry it can be a advantage
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Old 03-02-2006, 07:20 PM   #12
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Quote:
Originally Posted by J Wikoff
Alright:

Friction (what makes the car move) = mu (coefficient of friction) * mass * acceleration due to gravity
or
f = mu * m * g

So size of contact patch does not change mass or gravity. Is mu dependent on contact patch size?
Hypothetically that may be true...but I'm guessing drag cars put 18 inch wide tires just because they have a few extra thousand dollars they dont know what to do with.
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Old 03-02-2006, 08:21 PM   #13
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Right. I'm looking for the reason why. Is it just handling?
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Old 03-02-2006, 09:38 PM   #14
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are you trying to say that the wider tires do not increase the friction breaking point?
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