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| Re: Rubber-tired subways (1163528) | |||
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Re: Rubber-tired subways |
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Posted by SelkirkTMO on Tue Jun 26 06:28:44 2012, in response to Re: Rubber-tired subways, posted by SLRT on Tue Jun 26 06:08:01 2012. The studies can be interesting. First thing I learned in schoolcar was how little contact there is between steel wheels and iron. the contact surface for each wheel is about that of one DIME. Wheel slip, leaves, rubber tires do better. Steel on steel is good for reducing rolling friction and drag, but there's limits on grade and traction. Those studies should be interesting.But the reason why France went with rubber was grades and the superior acceleration and deceleration with more "grip" ... Montreal? Heh. Well ... pardonez moi. :) |
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