Quote:
Originally Posted by CapriRacer
...because I had had other conversations where some folks assumed the RRC was a constant at a given pressure. I would really like to clear this up, but so far I haven't been able to.
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As speed increases so does centrifugal force on a tyre. It would make sense to me for CRR to drop as speed rises- the tyre essentially becoming harder.
Cd isn't a constant either, we just tend to treat is as such.