Quote:
Originally Posted by Old Tele man
Quoted from the last paragraph on page 39 (red color emphasis, mine):
"The lack of quality linear correlations between rolling
resistances and the basic parameters investigated suggested
that if the researcher is investigating manufacturer/tire design
differences within a tire size, other more complex aspects of the tire will need to be considered."
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And expanding on what Old Tele Man wrote, here's the quotes before that:
"Linear correlation studies of rolling resistances with the basic parameters of tire weight, over all diameter, tread depth, and UTQG treadwear rating did not
generate correlations that could be considered to represent useful tools to the consumer for predicting rolling resistance qualities of tires.
After subdividing into speed rating subcategories, linear correlation studies again failed to generate useful tools for predicting rolling resistances from the parameters measured. "
In other words, they could not find anything that was a good predictor for RR.