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      01-29-2013, 09:51 PM   #7
Drives: BMW X3
Join Date: Jan 2013
Location: West Michigan

Posts: 3
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I believe I heard during the race coverage last year that the wet tires "pump" 400 gallons a minute of water at some RPM's. Never really thought of tires as pumps before but it makes sense; They move water from the center of the contact patch to the outside to prevent hydroplaning.

Looking into street tires I have seen water "pumping" numbers around 30-50 gallons. So F1 rain tires move roughly 10 times the water of a street tire...

Imagine F1 snow tires!
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