11.3.4 Flight Control Surfaces

Question 1

Flight control surface construction

Answer 1

• monocoque often used
• elevator consists of spar, ribs and skinning panels
• rudder and aileron consist of spar , honey comb core and skinning panels

Question 2

Balancing

Answer 2

Lessens force required to operate primary control surfaces

Question 3

How to eliminate flutter

Answer 3

Balancing control surfaces so c of g doesnt fall behind their hinge line

Question 4

Mass balancing

Answer 4

Weight places forward of hinge

• it prevents flutter and vibration

Question 5

What material is used in weights for mass balancing

Answer 5

Lead or tungsten

Question 6

Stressed skin structure for primary flight control surfaces

Answer 6

Monocoque

Question 7

Parts used in construction of rudder and aileron

Answer 7

Spar, skinning panels , honeycomb core

Question 8

Parts used for construction of elevators

Answer 8

Spars , ribs and skinning panels