Quote:
Originally Posted by JulianEdgar
Originally Posted by JulianEdgar:
Aerodynamics of Road Vehicles, 5th Edition, 2016, Page 449:
"The lift forces acting on a vehicle are extremely significant in road dynamic terms, since they can influence self-steering and braking behaviour, and thus the driver's ability to control the vehicle."
They stated it as I have written it. If they thought it relevant only to a select class of vehicle, no doubt that would have been stated too. It's in the chapter 'Aerodynamics and driving stability' - not for example, in special chapters on sports cars or motorsport.
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If so, then the only explanation, with respect to the USA market would be, the higher allowable speeds compared to pre-1995 ( 85-mph vs 55-mph ), higher overall vehicle heights of pickups, CUVs and SUVs, plus their high drag / lift coefficients.