Airframes Flashcards

1
Q

Fuselage Types - Truss Type

A
  • Frame of wood beams or metal tubes, bolted or welded
  • Used on older style aircraft
  • Frames covered with fabric, metal, or composite
  • Frame carries load and fuselage stresses
  • Two types are “Warren” and “N Girder”
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2
Q

Fuselage Types - Monocoque

A
  • Stressed Skin Structure, skin carries SOME of the load
  • Perfect Stressed Skin means the skin carries ALL of the load
  • Formers maintain shape
  • Bulkheads carry load
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3
Q

Fuselage Types - Semi Monocoque

A
  • Combination of stressed skin and formers or frame system
  • Has a firewall
  • Cessna 172
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4
Q

Wing Terms - Chord

A

Straight Line from leading to trailing edge

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5
Q

Wing Terms - Camber

A

Upper Curvature of the wing

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6
Q

Wing Terms - Span

A

Distance from wingtip to wingtip

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7
Q

Wing Terms - Wing Root

A

Inboard section of wing closest to fuselage

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8
Q

Wing Terms - Load Factor

A

Actual weight being imposed vs weight of aircraft

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9
Q

Construction Terms - Spars

A
  • Bars that run from wing root to tip (parallel to wing)
  • Carry most of the load in flight
  • Prevent torsion
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10
Q

Construction Terms - Ribs

A

Give shape to the wing

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11
Q

Construction Terms - False Ribs

A

Smaller ribs placed between leading edge and front spar

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12
Q

Construction Terms - Drag/Anti-Drag Wires

A

Provide additional support to the wing

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13
Q

Construction Terms - External Struts

A

External bracing from the fuselage to the wing to provide additional support (C172)

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14
Q

Construction Terms - Wing Tip Bow

A

Curved metal tube giving wingtip its shape

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15
Q

Construction Terms - Compression Struts

A

Steel Tubes placed between spars to prevent compression/distortion of the wing

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16
Q

Semi Cantilever Wing

A

Bracing supported by external struts (C172)

17
Q

Full Cantilever Wing

A

No external bracing (Seminole)

18
Q

Nose Wheel Gear Advantages

A
  • Greater Visibility over nose while taxiing
  • Nose over tendencies eliminated
  • Greater maneuverability on ground
19
Q

Tail Wheel Gear Advantages

A
  • Less Drag
  • Cheaper and Easier to build and maintain
  • Will sustain less prop damage
  • More suitable for ski operations
20
Q

Forms of Shock Absorbers

A
  • Low Pressure Tires
  • Oleo (traditional shock absorber)
  • Rubber discs or doughnuts
  • Steel Spring
21
Q

Brakes - What to watch for

A
  • Leave parking brake off if chocked
  • Hydraulic leak around main gear (red puddle)
  • Cracks in pads
  • Rusting over long periods due to lack of use