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Originally Posted by California98Civic
G1 Insight drivers pretty upset at Car & Driver! 
That's interesting, of course. The article speculates on the same theme. But .28 is still lower than the C&D tunnel offers (.30). So, I'm still wondering if the testing method makes its own noise. Did Mercedes test without the wheels spinning? That kinda thing. |
I wonder how Cd is actually calculated in a wind tunnel? Is it derived from total drag force and calculated frontal area? If so, that leaves a lot of room for fudging--er, estimating--numbers.