Quote:
Originally Posted by M_a_t_t
So you can't make the top of the car not produce lift but you can counteract it using other mods. For pure drag reduction you would want an overall neutral lift/downforce. It sounds like a neutral car body isn't very realistic (especially DIY) in terms of real world and the best result would still have some overall lift.
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Quote:
Originally Posted by JulianEdgar
No, it's actually quite easy. My Insight develops downforce from a very simple (but large) undertray and basic diffuser. If I wanted zero lift, I could easily reduce its size.
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If I could try to ask that a different way...
If the top of a car produced 100lbs of lift, would an undertray producing 100lbs of down force, or an undertray producing 0 lbs of down force net the car the lowest overall drag?