(Solved):
Washout is the A of the effective zero- lift angle of attack of the wingtip sections with respect ...
Washout is the A of the effective zero- lift angle of attack of the wingtip sections with respect to the center wing section. It is often used to maintain good handling qualities as stall is approached. Question 4 (2 points) The spanwise lift distribution can be tailored by varying the chord incidence angle, which is called A twist, or by changing the zero-lift angle of attack using varying wing sections, which is called A twist