Quote:
Originally Posted by CWtheMan
There is nothing in the structure of the Goodyear tire that would suggest it has less or more flex. Statically it's just masked by the insertion of the scuff guard material. The ultimate strength of a tire is provided by inflation pressure. More pressure less flex. Thus the only way to measure a tire's flex is by observing it under a load at a given inflation pressure.
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The strength of the tire has a lot more to do with construction than air pressure. I have had long discussions with a retired tire engineer from Michelin. He has been a part of designing tires from trucks to race car tires.
Also tire construction has more to do with pressure because if pressure was the man structure than heavy truck tires would have more than 130 psi. For that matter the tires on the crane I drive everywhere only take 105 psi and it is holding up 150,000 lbs.