Quote:
Originally Posted by aerohead
The 2015, ECORUNNER - V, by Delft Technical University, may have reported the lowest extant drag for a land vehicle. Cd 0.0512.
This would have to be considered within the context of a 3.8-sq-ft frontal area vehicle, averaging 15-mph ( burn - and - coast ), on a closed-course, perhaps completely shielded from any wind, or terrestrial boundary layer.
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EXACTLY how would you shield from the terrestrial boundary layer? If it flies, it isn't a car, ditto for a vacuum.