Quote:
Originally Posted by nimblemotors
They are all rectangle boxes, really about the worst they can be....
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For Cd, perhaps, but reducing a rectangular vehicle's Cd comes at a cost to crosswind stability. Do you really want an RV that steers off the road in a crosswind? Hucho includes a study of crosswind stability vs. body shape, showing the progressive reduction in stability as Cd is reduced.
That's why RV's are all rectangular boxes, and all 911's have rear wings, too.
Have fun,
Frank