Quote:
Originally Posted by freebeard
My impression is that massive add-ons increase drag but shaping the underbody is 'free' down-force.
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Certainly there are higher and lower drag versions of ways to get downforce but in the end, downforce is downforce and the cost of downforce is drag.
Thought experiment: 0 downforce car vs max downforce car doing a coast-down test. 0 car wins because it isn't using force vectored down.
I was taught in flight school that lift = drag.