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Old 09-24-2015, 12:08 AM   #23 (permalink)
jamesqf
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Quote:
Originally Posted by freebeard View Post
A 0.21 Cd SUV might be a stretch limo with a fineness ratio of 2.78:1 or whatever.
Sure, but I guess you missed the point I was trying to make, which is that the best possible aerodynamics won't compensate for too big a cross section.

As for the tractors &c, what point to aerodynamics when your top speed is maybe 10 mph?
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