Originally Posted by basjoos
I always wondered how Fred Flintstone was able to propel his car with just his feet. I guess those ultra-wide tires on his car produced some really low RR values.
I'm sure the width vs. RR curve has a point of diminishing returns.
I think I saw something about extremely low RR for stone tires (not Firestone), and a significant flywheel/gyroscopic effect once in motion.
I think wind tunnel test are done with the wheels stationary. A spinning wheel wouldn't show a change in frontal cA, but there must be a dynamic change in cD for an eggbeater style of wheel. Any quantitative studies on this?