How do wings generate lift when flying upside down?
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I flew aerobatics for years. ELI5 response…most airplanes are designed to be stable. Dihedral (the V shape of the wing when viewed from head on, and the shape of the wing are designed to make it return to level flight when you’re not steering.
Now imagine a plain wooden ruler. If that was the wing, and you were upside down, pulled your hands off the steering wheel, you would notice the plane continued in the same direction it’s pointed.
Important to note that different planes are built for their respective purpose. Planes built for general aviation (i.e Cessna, Piper, Bonanza) and commercial aircraft are built inherently stable and will “seek” to keep the wings straight and level in the absence of control inputs. Planes built for military and aerobatics will have wings that are much more straight when looking at them head on.
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