Symmetric airfoils (which do exist) are considered to have a centerline in the obvious (symmetric) place, but this doesn't have anything to do with angle of attack. For various reasons, aerobatic planes sometimes have…
Symmetric airfoils (which do exist) are considered to have a centerline in the obvious (symmetric) place, but this doesn't have anything to do with angle of attack. For various reasons, aerobatic planes sometimes have…