Airfoils Flashcards
1
Q
Maximum thickness of an airfoil is usually found
A
25% aft of the leading edge.
2
Q
Maximum Camber is the
A
Center of Lift
3
Q
What is Wing Area (S)
A
The plan surface area, which includes the area covered by the fuselage.
4
Q
What is wing span? (b)
A
the distance from wing tip to wing tip
5
Q
What is washout?
A
Forward twisting of the wing tips, allowing the roots to stall but save aileron authority.
(root is at a high angle of attack, but with the twisting the ends of the wing are at a lower angle of attack, below the Critical AOA)
6
Q
What is average chord?
A
The geometric average.
S/b = Cav
7
Q
What is aspect ratio?
A
The Wing Span (b) divided by the average chord.
b/Cav
