Airframe Design And Materials Flashcards

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1
Q

What are static loads?

A

Loads on the ground (weight & gravity)

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2
Q

What are dynamic loads?

A

Forces in flight - due to manoeuvres and atmospheric conditions

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3
Q

Where on the wing is the greatest stress carried?

A

Wing roots

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4
Q

What is corrosion?

A

Weakens a structure and stress fractures can form

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5
Q

Which two environments pose the greatest threat of corrosion?

A

Marine and humid

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6
Q

What causes fatigue?

A
  • High number of cycles
  • Hard manoeuvring
  • Low maintenance
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7
Q

What is hard time maintenance?

A
  • Happens at fixed intervals (A and D checks)
  • Financially beneficial for airlines
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8
Q

What is on condition maintenance?

A
  • As and when needed
  • Brakes, tyres, wipers, lights
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9
Q

What is a composite structure?

A

Combination of two or more materials

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10
Q

Features of composites

A
  • Light
  • Stiff and resistant to fatigue/corrosion
  • Expensive to repair
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11
Q

Max structural ramp mass

A

Max permissible mass before A/C taxis

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12
Q

Max structural T/O mass

A

Max permissible mass at the start of T/O run

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13
Q

Max zero fuel mass

A

Max mass of A/C without usable fuel

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14
Q

Max structural landing mass

A

Max mass on landing

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