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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These shapes are in 2-dimensional flow and their drag is based upon wetted area.
We'd use the data for wings,struts,tails,rudder,landing gear,pylons,bracing wires,some forms of auxiliary tanks.