11.9 Flight Controls

Question 1

Three main axes of an aircraft

Answer 1

Lateral axis
Longitudinal axis
Vertical axis

Question 2

Motions around the axes of an aircraft

Answer 2

Pitch
Roll
Yaw

Question 3

Motion around the lateral axis

Answer 3

Pitch = nose up, nose down

Question 4

Motion around the longitudinal axis

Answer 4

Roll = wing up, Wong down

Question 5

Motion around the vertical axis

Answer 5

Yaw = nose left, nose right

Question 6

Flight controls divided into two groups

Answer 6

Primary flight controls

Secondary flight controls

Question 7

The primary flight controls

Answer 7

Ailerons
Roll spoilers
Elevators
Rudder

Question 8

Ailerons consist of

Answer 8

Two ailerons and two sets of roll spoilers used for roll control

Question 9

Cables must be inspected for

Answer 9

Broken wires
Worn areas
Corrosion

Question 10

Broken wire on surface in the cable can be detected by

Answer 10

Rubbing a cloth back and forth along the cable

Question 11

Forces that 1-cable transmission transmits

Answer 11

Pull forces

Question 12

Most cable transmission systems used in aircrafts

Answer 12

2-cable transmissions

Question 13

2-cable transmissions use what to transmit force

Answer 13

Quadrants

Question 14

2 cable transmissions transmit what movement to the cables

Answer 14

Push and pull movements

Question 15

Three main types of quadrant

Answer 15

Normal quadrants
Single quadrants
Tension regulators

Question 16

The metal of a cable usually is

Answer 16

Steel

Question 17

Cable tension regulator ensures

Answer 17

that the Tension in a cable system is kept constant at different temperatures

Question 18

Cable tension regulator consists of

Answer 18

• Two quadrant halves, mounted on a common axle
• Spring loaded cross head, mounted on a guide
• Pull rods

Question 19

On warm aircraft what does the cable tension regulator do

Answer 19

Compensates for the increased cable tension

Question 20

On cold aircraft what does the tension regulator do

Answer 20

Compensates for the reduced cable tension

Question 21

Cable pulleys are used to

Answer 21

Change the direction of the cable run

Question 22

Pressure seals are used to maintain

Answer 22

Air tight seal around a cable that passes through a hole in a pressure bulkhead

Question 23

Fairleads are used to

Answer 23

Guide and support a cable along its routing

Question 24

Fairleads allow a maximum cable directions change of

Answer 24

3 degrees

Question 25

Each cable has an

Answer 25

End fitting or terminal

Question 26

End fittings are fastened to the cables using a

Answer 26

Swaging machine

Question 27

Turnbuckle is used to

Answer 27

Connect two externally threaded barrel ends

Question 28

Turnbuckles are locked in position with

Answer 28

Safety clips

Question 29

Most mechanical transmission use a combination of

Answer 29

Rods and cable systems

Question 30

Rods are used to transmit

Answer 30

Forces to and from the cable system

Question 31

Adjustable rod and non-adjustable rod have

Answer 31

Threaded end fittings

Question 32

Non-adjustable rods have a

Answer 32

Heat shrinkable sleeve

- prevents adjustment of the end fitting

Question 33

Adjustable rods have

Answer 33

• Inner and outer lock washers
• A lock nut
• Inspection hole to check for minimum screw penetration

Question 34

Chains are used to

Answer 34

Transmit forces to and from a cable system

Question 35

Main component of a chain installation

Answer 35

• The chain
• The wheel
• The protection guards

Question 36

Torque shafts are used to

Answer 36

Transmit torque for linear movements

Question 37

Torque tubes are used to

Answer 37

Transmit torque for rotary movements

Question 38

Torque tube system consists of

Answer 38

Several torque ties connected by couplings

Question 39

Torque tube couplings compensate for

Answer 39

Axial movement and change of alignment