Quote:
Originally Posted by California98Civic
Clarify for me, by "drag" do we mean CdA and not just Cd? The airfoil has identical CdA? Seems increadible. That's not the case right? This is just identical Cd, yes?
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Drag is the force pushing back on the body as it moves through a fluid. it is directly proportional to CdA as long as fluid density and velocity are held constant.