All I'm trying to point out is that in the 8 years I've been thinking about aerodynamics, I've come across a lot of BS and conjecture not based on anything other than a "That just makes sense to me so it must be true." This paper is the only thing I've run across that quantifies how the rear slope affects the Cd and Coefficient of Lift as well. If you think the paper should be ignored because he didn't state the Cd of the current truck or mislabeled a picture than that's you prerogative I guess.
Just point me in the direction of what we should use in its place since this one is crap. Who has written a better one? What do they say?
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