# Answer to Question #56280 in Other Engineering for Alexandros

Question #56280

Using XFLR5

Based on a CL vs Alpha and on a CD vs Alpha:If an airfoil flies upside down, what is the maximum lift, and at what angle?

How can am i suppose to find that out from those two graphs provided by XFLR5 ?

Based on a CL vs Alpha and on a CD vs Alpha:If an airfoil flies upside down, what is the maximum lift, and at what angle?

How can am i suppose to find that out from those two graphs provided by XFLR5 ?

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