Thread: tire direction
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Old 06-18-23 | 01:20 PM
  #70  
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Bikes: 1982 Trek 930R Custom, '91 Diamondback Ascent w/ XT, XTR updates, Fuji Team Pro CF road flyer, Specialized Sirrus Gravel Convert, '09 Comencal Meta 5.5 XC, '02 Marin MBX500, '84 Gitane Criterium bike

Originally Posted by DiabloScott
Well they don't of course. Auto tires are wide and have a flattish profile and they can hydroplane because the water can't out of the way fast enough. Bicycle tires could hydroplane if we're talking really wide ones like 4" with a flattish profile, but your basic road bike tire is too narrow and too round for that to happen; in fluid mechanics terms, the two do not have dynamic similarity so using one to model the other is invalid. The videos you posted show slippery roads and high resistance from riding through deep puddles, not hydroplaning.

More to the OP's point, no tread in any direction would've prevented any of those crashes.
look up:Tire CONTACT PATCH Pressure per SQUARE INCH of Contact " some time... then realize that you are wrong. the principles involved are Identical... and where the rubber meets the road, the "round profile" bike tire is no longer ROUND... etc.

do you also think bike brakes and automotive brakes aren't the same too?
Last edited by maddog34; 06-18-23 at 01:26 PM.
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