Quote:
Originally Posted by CapriRacer
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They wanted to do RR Force, which makes larger tires look worse for RR. but if RRC (Rolling Resistance Coefficient is used larger tires are better - which is the way most folks would look at it. The GSA asked NHTSA to reconsider - and that was a year ago. In the meantimm, NHTSA has gotten tied up with a lot of Toyota issues!
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Was "RR Force" for the same load or at the tire maximum load?
I want "RR Force" but realize it is a function of load. If "RRC" can be multiplied by the load to give "RR Force," I would be satisfied. I need "RR Force" adjusted for current vehicle weight to calculate the energy loss.
Bob Wilson
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2019 Tesla Model 3 Std. Range Plus - 215 mi EV
2017 BMW i3-REx - 106 mi EV, 88 mi mid-grade
Retired engineer, Huntsville, AL
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