I understand that the wing of the plane creates downforce, lifting the plane into the air, so how do planes fly upside-down? Wouldn’t the wings start pushing the plane down into the ground once flipped?
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When a plane is flying level, the wings are actually tilted up – the leading edge is higher than the trailing edge. This is how the plane is built. So, if you fly upside down, the wings would tilt down, and if you didn’t do anything, the wings would indeed start pushing you to the ground.
However, if you adjust the orientation of the plane while it is upside down, it is possible to get the wings angled so that once again the leading edge of the wing is higher than the trailing edge. If you do that, the wing will once again start lifting the plane, even though it is upside down.
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