Lecture 6 Flashcards

1
Q

What is the fuselage?

French for…?

A

The body of the aircraft

Spindle shaped

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2
Q

What is the empennage?

French for…?

A

The whole tail assembly

To feather an arrow

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3
Q

What is the nacelle?

A

The engine and mounting location

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4
Q

What part of the aircraft provides the majority of lift required for flight?

A

Wings

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5
Q

What is the landing gear used for?

A

To absorb the impact of the landing

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6
Q

What is a former?

A

Placed in a fuselage to give shape and rigidity

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7
Q

What is a stringer?

A

Braces placed between ribs or formers to give strength to the wing or fuselage
Stringer = Short Stiffener

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8
Q

What is a longeron?

A

A structural stiffener stretching the entirety of the fuselage
Longeron = Long Stiffener

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9
Q

What is the skin?

A

The outer layer of the airplane

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10
Q

What is a bulkhead?

A

A vertical wall within the fuselage

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11
Q

What is a firewall?

A

A special bulkhead that goes between the engine and the fuselage or wing

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12
Q

What do the following words mean?

Starboard
Port
Forward
Aft

A

Starboard: right side
Port: left side
Forward: toward the front of the aircraft
Aft: toward the back of the aircraft

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13
Q

What is the fuselage station?

Where is this located?

Where do measurements start? End?

A

Datum (Station 0.0)

Anywhere the designer wishes, typically front of the aircraft

Start at the nose and go to the tail

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14
Q

What is the wing station?

A

Horizontal distance in inches from the centerline (butt line) of the fuselage to the wing tips

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15
Q

What is span?

A

Lateral distance from wing tip to wing tip

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16
Q

What is the waterline station?

A

Vertical distance in inches from the centerline (butt line) of the fuselage

17
Q

Dorsal Fin vs Ventral Fin

A

Dorsal: on top of the aircraft, in front of the vertical stabilizer
Ventral: on the bottom of the aircraft

18
Q

What do you call a plane with one wing per side?

Two?

Three?

A

Monoplane

Biplane

Tri-plane

19
Q

What are the ribs?

A

Structural members that give the wing its shape

20
Q

What is the spar?

A

Structural, load carrying beam in the wing

21
Q

What are winglets?

What is their purpose?

A

A bend in the wing tip

Reduce drag (wing tip vortexes)

22
Q

What are the four types of landing gear?

A

Conventional (tail wheel)
Tricycle (nose wheel and main gear)
Bicycle (main landing gear in the center of the aircraft)
Quadricycle (four main gear sets in the center of the aircraft)

23
Q

List pro(s) and con(s) for conventional landing gear

A

Pros:
Strong
Light
Low drag

Cons:
Hard to land
Poor visibility when taxiing

24
Q

List pro(s) and con(s) for tricycle landing gear

A

Pros:
Easy to land
Good visibility when taxiing

Cons:
Nose wheel breaks easily
Adds weight
Adds drag

25
Q

List pro(s) and con(s) for bicycle landing gear

A

Pros:
Takes landing loads away from wings
Reduces structure weight needed to support landing gear

Cons:
Wheels at wingtips are delicate
Adds mass to wing tips and reduces maneuverability

26
Q

List pro(s) and con(s) for quadricycle landing gear

A

Pros:
Takes landing loads away from wings
Reduces structure weight needed to support landing gear
Lowers fuselage’s lower deck heigh

Cons:
Adds weight

27
Q

What is main landing gear?

What is auxiliary landing gear?

A

Support most of the weight of the aircraft

Stabilize the aircraft and support less weight

28
Q

Where is the GPS antenna mounted?

Why?

A

On top of the aircraft

GPS satellites are in space

29
Q

What are longer antennas used for?

A

Radio communication and navigation

30
Q

What are shorter antennas used for?

A

Higher frequency data