Upon completion of this chapter, the student will be able to describe and analyze the
aerodynamics associated with unpowered rotary flight.
Draw and label a blade element diagram for autorotation.
Define pro-autorotative force.
Define anti-autorotative force.
State the three phases required to transition from powered to unpowered flight.
State the effects of a flare in autorotation.
State the variables that affect autorotative descent.
State the purpose of the height-velocity diagram.