I don’t understand all the internet explanations using terms like “Range of attack” “Stall speed”
I’m trying to understand why it matters that the wing has a blunt front, if just angling a flat sheet slightly upwards should in my theory still lift it up at speed.
Although those round edges intuitively make sense somehow, i just want to understand why they work.
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Your second paragraph makes me think you have a fundamental misunderstanding of how a wing works. Wings don’t lift by changing their angle. They are shaped such that the air traveling above the wing has further to travel than the air below the wing. This means the air above is traveling faster and creating a low pressure zone above the wing. This is how lift is created. The best way to create lift like this is a sort of teardrop shape that is wide at the front. The control surfaces do change shape to turn or like flaps to allow the plane to fly slower while still creating enough lift.
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