Types Of Rotor Head

Question 1

What are the 4 types of Rotor Head?

Answer 1

Teetering Rotor Head
Fully Articulated Rotor Head
Semi-Rigid Rotor Head
Rigid Rotor Head

Question 2

Is the Rigid Rotor head real?

Answer 2

No it’s Theoretical

Question 3

What are the three hinges of a Fully Articulated Rotor Head?

Answer 3

Horizontal flapping hinge
Drag hinge
Feathering hinge

Question 4

What is the only hinge of a Semi-Rigid Rotor Head?

Answer 4

Feathering hinge

Question 5

How is flapping & dragging archived on a Semi-Rigid Rotor Head?

Answer 5

Allowed for by the flexing of the arms of a cruciform-shaped rotor-head

Question 6

Where is a Delta-Three Hinge usually found?

Answer 6

Tail rotors

Question 7

What is the delta three hinge designed for?

Answer 7

Improve stability of the rotor head.

Question 8

What does the the delta three hinge reduce or eliminate?

Answer 8

Flapping

Question 9

How many hinges does a fully Articulated rotor head have?

Answer 9

3

Feathering
Flapping
Lead lag/Drag

Question 10

What hinges does a semi-rigid rotor head have?

Answer 10

Feathering

Flapping and drag are done by rotor head

Question 11

Movement of feathering hing?

Answer 11

Blade angle of Attack

Question 12

Movement of flapping hinge?

Answer 12

Up & down

Question 13

Movement of Lead lag/Drag hinge?

Answer 13

Back & Foward