Aviation Safety Question of the Week

February 4, 2019, 1:15 PM

A helicopter moving forward at 100 knots has a relative wind speed on the advancing and retreating blade sides of 400 knots and 200 knots, respectively. This difference in speed causes a dissymmetry of lift. What feature counteracts dissymmetry of lift?

 - February 4, 2019, 1:15 PM