Chapter 15 - The Airframe

Question 1

What is the main function of the fuselage?

Answer 1

To hold people/cargo and act as a structure to attack different parts onto

Question 2

What is a semi-monocoque structure?

Answer 2

A light framework covered by a skin

Question 3

Do longerons run parallel to the longitudinal axis of the aircraft or the lateral axis of the aircraft?

Answer 3

The longitudinal axis

Question 4

What is the most common material for the skin of an aircraft?

Answer 4

Aluminium

Question 5

What is the main function of the wings of an aircraft?

Answer 5

To generate lift

Question 6

What is a typical secondary function of the wings of an aircraft?

Answer 6

To carry/hold fuel

Question 7

What is the main load carrying element of the wing?

Answer 7

The main spar(s)

Question 8

Which structural part of the wing runs parallel to the main spar(s)?

Answer 8

The stringers

Question 9

What is the function of the stringers?

Answer 9

To assist the main spar(s) in absorbing loads

Question 10

What is the function of a wing strut?

Answer 10

To provide extra strength by transmitting some of the wing loads into the fuselage

Question 11

Does the skin of the wing absorb any loads?

Answer 11

Yes

Question 12

What do the wing ribs do? (Two functions)

Answer 12

1. Absorb loads

2. Maintain the shape of the wing (aerofoil)

Question 13

Do the ribs run perpendicular or parallel to the main spar(s)?

Answer 13

Perpendicular

Question 14

How many sets of wings does a monoplane have?

Answer 14

One

Question 15

How many sets of wings does a biplane have?

Answer 15

Two

Question 16

Which is generally more stable, a high-wing or a low-wing aircraft?

Answer 16

A high-wing aircraft

Question 17

Which is generally more manoeuvrable, a high-wing aircraft or a low-wing aircraft?

Answer 17

A low-wing aircraft

Question 18

Where is/are the elevator(s) located?

Answer 18

At the rear of the aircraft, attached to the horizontal stabiliser

Question 19

Which type of movement do the elevators produce?

Answer 19

Pitching movement (nose up and down)

Question 20

As pilots, how do we produce a pitch up movement of the aircraft?

Answer 20

Pulling backwards on the control column (towards our chest) [note: opposite for pitch down]

Question 21

Where are the ailerons located?

Answer 21

Around the tip of each wing, attached to the trailing edge

Question 22

Which type of movement do the ailerons produce?

Answer 22

Rolling movement

Question 23

As pilots, how do we roll the aircraft to the left?

Answer 23

Pushing the control column to the left [note: opposite for roll to the right]

Question 24

Where is the rudder located?

Answer 24

At the trailing edge of the vertical stabiliser (fin)

Question 25

Which type of movement does the rudder produce?

Answer 25

Yawing movement (nose side to side)

Question 26

As pilots, how do we yaw the aircraft to the right?

Answer 26

By pushing the right rudder (foot) pedal [note: opposite for left yaw]

Question 27

When we use the elevator, about which axis the aircraft rotating?

Answer 27

The lateral axis

Question 28

When we use the ailerons, about which axis the aircraft rotating?

Answer 28

The longitudinal axis

Question 29

When we use the rudder, about which axis the aircraft rotating?

Answer 29

The normal (vertical) axis