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M11 > M11.1/11.2 > Flashcards

M11.1/11.2 Flashcards

1
Q

What Axis is Pitch?

A

Lateral

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2
Q

What Axis is Roll

A

Longitudinal

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3
Q

what Axis is Yaw

A

Vertical

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4
Q

What are these Moments used for (different Axis)

A

To move the aircraft

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5
Q

What controls aircraft’s axis/moments

A

Aircraft controls

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6
Q

What do pilots use to command Yaw
And how many of these are in the cockpit

A

Rudder pedals
2 pairs of 2 pedals (2 pedals each)

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7
Q

What are the primary control surfaces used for?

A

To move the aircraft

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8
Q

What is located at the outboard trailing edge of each wing and used to control the roll of the aircraft?

A

Ailerons

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9
Q

What Axis do Ailerons change?

A

Longitudinal (Roll of aircraft)

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10
Q

What direction do elevators move?

A

Up and down

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11
Q

Do Elevators move together or opposite?

A

Together

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12
Q

What happens to the camber against the horizontal stabiliser when Elevators are raised?

A

Negative camber created against the horizontal stabiliser

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13
Q

In Roll how are ailerons positioned to eachother?

A

Opposite

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14
Q

What flight unit is used to supplement an aileron?

A

Spoilers

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15
Q

What action do aircraft spoilers counteract?

A

Counteracts the effect of lift-induced drag

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16
Q

At high speed what ailerons do you not use?

A

Outboard ailerons

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17
Q

Stabilators are dual-purpose control surfaces what to actions do they combine?

A

Elevators and horizontal stabilisers

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18
Q

What aircraft are stabilators most commonly found on?

A

High-speed military aircraft

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19
Q

What does a Variable Incidence stabiliser control?
and what plane on (horizontal,vertical or longitudinal)

A

Long term pit controls device

Longitudinal plane

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20
Q

Canards is a type of aerodynamic configuration but what is missing in this configuration compared to most aircraft?

A

Missing horizontal stabiliser

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21
Q

There are 2 types of canard what are they?

A

Fixed canard
Movable canard

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22
Q

In fixed canards what are they also called?
And what does it do?

A

Lifting canard
Shares the weight of the aircraft with the wings in lift

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23
Q

What is the primary role of a canard?

A

To provide pitch control

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24
Q

What is the rudder compared to all other control surfaces?

A

The biggest control surface

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25
Q

What primary flight control is the Rudder?

A

Yaw Control

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26
Q

What primary flight control is the Elevator?

A

Pitch Control

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27
Q

What primary flight control is the Ailerons and roll spoiler?

A

Roll Control

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28
Q

What is the function of the Rudder Limiter?

A

Reduce the Rudder deflection at high speed

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29
Q

How do you prevent Adverse Yaw (3 ways)

A

Use aileron differential
Frazzle Aileron
Spoilers

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30
Q

How do you correct Adverse Roll?

A

Ailerons

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31
Q

What 2 actions does the ruddervators combine?

A

Rudder and elevator

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32
Q

What tailed aircraft use ruddervators and don’t have a vertical or horizontal stabiliser?

A

V-tailed

33
Q

What is a vortex generators used for?

A

Re energise slow movement in the boundary layer (speed up the wind)

34
Q

What do stall wedges do?
And where?

A

Encourage stall at the root of wing

35
Q

What is the balance panel connected to?

A

Leading edge of control surface

36
Q

With balance panels it devices a space of a control surface into two chambers what are these two called?

A

Upper chamber
Lower chamber

37
Q

In-between the two chambers in balance panels what is done to make sure they are split for each other?

A

Static pressure is allowed in through the slots

38
Q

What are the 3 speed ranges in flight?

A

Subsonic
Transonic
Supersonic

39
Q

What speed range is Mach less than 0.8?

A

Subsonic

40
Q

What speed range is Mach 0.8 to 1.2?

A

Transonic

41
Q

What speed range is Mach 1.2 to 5?

A

Supersonic

42
Q

Is speed of airflow over the wing faster or slower than cruising speed?

A

Faster

43
Q

In Supersonic speed ranges what changes occur to pressure and density?

A

Pressure change
No density changes

44
Q

What flight speed are the regions are equal?

A

Subsonic

45
Q

What flight speed do the regions start at the nose of the aircraft?

A

Transonic

46
Q

What flight speed do the regions start behind the aircraft?

A

Supersonic flight

47
Q

If the airspeed is 0.8 locally in some parts it could be 1.0 so if airspeed is a set Mach what would it be in and where?

A

Wings would be higher

48
Q

What is a shockwave?

A

Air barrier broken when aircraft fly through it at speed

49
Q

What are the 2 types of shockwave?

A

Normal
Oblique

50
Q

What is the definition of a normal shockwave?

A

When air barrier is formed?

51
Q

What direction are Oblique shockwaves formed to the aircraft?

(Straight on, angle or flat)

A

At a Angle

52
Q

When super sonic flow passes through the normal shockwave airflow velocity drops to what?

A

Drops to subsonic speed

53
Q

Which shockwaves are stronger normal or oblique?

A

Normal are stronger

54
Q

What waves are not shock waves and formed when supersonic airflow changes direction around a curve or corner?

A

Expansion waves

55
Q

After Mach Critical where does the most drag generate?

A

On the wings which go over the Mach Critical compared to the cruising speed of the aircraft

56
Q

What is the wave drag?

A

Drag due to the shock waves

57
Q

What does a Converging intake do to the airflow?

A

Decrease velocity
Increases pressure and density

58
Q

Are aircraft subjected to stress in flight ground both or neither?

A

Both in flight and ground

59
Q

What are the Three classes of aircraft structure?

A

Primary
Secondary
Tertiary
Structures

60
Q

What are the Three classes of aircraft structure?

A

Primary

61
Q

What are the 2 damage tolerance concepts?

A

Safe life and Fail safes

62
Q

What are the 2 types of damage in relation to aircraft before they and be sent out?
Hint (ones is and ones not)

A

Allowable and non allowable damage

63
Q

What identification number is cargo doors start with in hundreds?

A

800

64
Q

What identification number is the tail start with in hundreds?

A

300

65
Q

What are the Three main parts in the aircraft’s fuselage?
Which is the most important?

A

Longeron (this one is the most important)
Stringer
Frame

66
Q

What is another name for clip?

A

Cleap

67
Q

What is the bottom of the cabin and cargo hole called?

A

Cabin/cargo floor structure

68
Q

What type of force can struts handle?

A

Compressive forces

69
Q

What are structure members that can handle compression called?

A

Truss

70
Q

What forms the aerodynamic profile on a wing?
(Two main pieces both the same but one has a extra part to the name)

A

Nose rips and ribs

71
Q

What is a feature of the skin in monocoque construction?
And what is the advantage of it?
And what is the disadvantage of it?

A

Thick Skin
Skin takes the load
But its heavy

72
Q

What beam goes across the fuselage where the wheel well is to streangthen the weak area in the fuselage?

A

Keel beam

73
Q

What is splitting components so cracking can be stopped in structures so load is shared?

A

Fail safe concepts

74
Q

What is the disavantages of putting failsafes in structures?

A

Heavier weight from fasteners

75
Q

What is safe life?

A

When a component reaches a certain amount of hours needs to be changed

76
Q

What may individual components be given since they can be smaller within a system?

A

Additional safe life

77
Q

what are the 3 zones in a 3 digit code?

A

First digit is Major zone
Second digit is Sub zone
Third zone is Zone

78
Q

What are the six stations on the aircraft?

A

Fuselage station
Body station
Wing station
Butoux station
Waterline station
Component station

M11 (5 decks)

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