What is a vortex ring state?
A vortex ring state is when the helicopter’s downwash recirculates into the induced flow and the helicopter descends while under power.
Blog: Archives
What are the three primary regions of the disc in an autorotation?
The three primary regions of the disc in an autorotation are the stalled, driving, and driven.
What is the purpose of the flare at the end of an autorotation?
The flare at the end of an autorotation is to arrest the decent.
What is the height-velocity diagram?
The height-velocity diagram is provided by the aircraft manufacturer and indicates speeds that should be avoided as a safe autorotation might not be possible.
How do changes in center of gravity (CG) affect helicopter flight characteristics?
The aircraft manufacturer sets the helicopter’s center of gravity limits. If operating outside of these limits, the helicopter may be uncontrollable in certain situations.