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M11 > M11.1/11.2 > Flashcards

M11.1/11.2 Flashcards

(78 cards)

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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
What primary flight control is the Rudder?
Yaw Control
26
What primary flight control is the Elevator?
Pitch Control
27
What primary flight control is the Ailerons and roll spoiler?
Roll Control
28
What is the function of the Rudder Limiter?
Reduce the Rudder deflection at high speed
29
How do you prevent Adverse Yaw (3 ways)
Use aileron differential Frazzle Aileron Spoilers
30
How do you correct Adverse Roll?
Ailerons
31
What 2 actions does the ruddervators combine?
Rudder and elevator
32
What tailed aircraft use ruddervators and don’t have a vertical or horizontal stabiliser?
V-tailed
33
What is a vortex generators used for?
Re energise slow movement in the boundary layer (speed up the wind)
34
What do stall wedges do? And where?
Encourage stall at the root of wing
35
What is the balance panel connected to?
Leading edge of control surface
36
With balance panels it devices a space of a control surface into two chambers what are these two called?
Upper chamber Lower chamber
37
In-between the two chambers in balance panels what is done to make sure they are split for each other?
Static pressure is allowed in through the slots
38
What are the 3 speed ranges in flight?
Subsonic Transonic Supersonic
39
What speed range is Mach less than 0.8?
Subsonic
40
What speed range is Mach 0.8 to 1.2?
Transonic
41
What speed range is Mach 1.2 to 5?
Supersonic
42
Is speed of airflow over the wing faster or slower than cruising speed?
Faster
43
In Supersonic speed ranges what changes occur to pressure and density?
Pressure change No density changes
44
What flight speed are the regions are equal?
Subsonic
45
What flight speed do the regions start at the nose of the aircraft?
Transonic
46
What flight speed do the regions start behind the aircraft?
Supersonic flight
47
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?
Wings would be higher
48
What is a shockwave?
Air barrier broken when aircraft fly through it at speed
49
What are the 2 types of shockwave?
Normal Oblique
50
What is the definition of a normal shockwave?
When air barrier is formed?
51
What direction are Oblique shockwaves formed to the aircraft? (Straight on, angle or flat)
At a Angle
52
When super sonic flow passes through the normal shockwave airflow velocity drops to what?
Drops to subsonic speed
53
Which shockwaves are stronger normal or oblique?
Normal are stronger
54
What waves are not shock waves and formed when supersonic airflow changes direction around a curve or corner?
Expansion waves
55
After Mach Critical where does the most drag generate?
On the wings which go over the Mach Critical compared to the cruising speed of the aircraft
56
What is the wave drag?
Drag due to the shock waves
57
What does a Converging intake do to the airflow?
Decrease velocity Increases pressure and density
58
Are aircraft subjected to stress in flight ground both or neither?
Both in flight and ground
59
What are the Three classes of aircraft structure?
Primary Secondary Tertiary Structures
60
What are the Three classes of aircraft structure?
Primary
61
What are the 2 damage tolerance concepts?
Safe life and Fail safes
62
What are the 2 types of damage in relation to aircraft before they and be sent out? Hint (ones is and ones not)
Allowable and non allowable damage
63
What identification number is cargo doors start with in hundreds?
800
64
What identification number is the tail start with in hundreds?
300
65
What are the Three main parts in the aircraft’s fuselage? Which is the most important?
Longeron (this one is the most important) Stringer Frame
66
What is another name for clip?
Cleap
67
What is the bottom of the cabin and cargo hole called?
Cabin/cargo floor structure
68
What type of force can struts handle?
Compressive forces
69
What are structure members that can handle compression called?
Truss
70
What forms the aerodynamic profile on a wing? (Two main pieces both the same but one has a extra part to the name)
Nose rips and ribs
71
What is a feature of the skin in monocoque construction? And what is the advantage of it? And what is the disadvantage of it?
Thick Skin Skin takes the load But its heavy
72
What beam goes across the fuselage where the wheel well is to streangthen the weak area in the fuselage?
Keel beam
73
What is splitting components so cracking can be stopped in structures so load is shared?
Fail safe concepts
74
What is the disavantages of putting failsafes in structures?
Heavier weight from fasteners
75
What is safe life?
When a component reaches a certain amount of hours needs to be changed
76
What may individual components be given since they can be smaller within a system?
Additional safe life
77
what are the 3 zones in a 3 digit code?
First digit is Major zone Second digit is Sub zone Third zone is Zone
78
What are the six stations on the aircraft?
Fuselage station Body station Wing station Butoux station Waterline station Component station

M11 (5 decks)

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