Rotor system Flashcards
1
Q
Four subsystems
A
Main rotor blades
Hub
Flight controls
Bifilar vibration absorber
2
Q
What allows the blades to flap, lead, lag and move about axis for pitch changes
A
Elastomeric bearings
3
Q
Droops out?
A
70% Nr
4
Q
Droops in (seated on shutdown)
A
50% Nr
5
Q
Anti-flap restraints
A
35% Nr
