Assertion: airfoil | /r/AtLocation | clear negative angle of attack
Facets:
Source sentences:
text: This means that if the airfoil is at a clear negative angle of attack, it will stall and try to pitch back up to an angle of attack closer to zero.
text: This means that if the airfoil is at a clear negative angle of attack, it will stall and try to pitch back up to an angle of attack closer to zero.