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Mod 6 > 6.10 > Flashcards

6.10 Flashcards

1
Q

Strand

A

Made of wires twisted together

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2
Q

Cable

A

Made of strands twisted together

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3
Q

What forces to Cables and Pulleys transmit

A

Tension and Pulling

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4
Q

What device is used to keep tension in a Single cable system

A

Spring Loaded Device

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5
Q

What is Preforming

A

Bending of strands to there position in a cable

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6
Q

What metals are Cables made from

A

Galvanised Carbon Steel

Stainless Steel

CRS

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7
Q

What kind of forces (stresses) act on a cable

A

Tension Stress and Bending

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8
Q

What is Tensile Strength of a Cable Dependent on

A

Size

Material

Construction

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9
Q

Explain Cables looses strength due to bending

A

The inability for strands and wires to adjust themselves when the cable is bent

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10
Q

Explain Fatigue sue to bending in Cables

A

Small cracks form under bending loads

Eventually causes Fatigue failure

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11
Q

Wear of a Cable is determined by

A

Outer Wire Size

Composition

Construction

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12
Q

Larger Outer wires have

A

More wear resistance

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13
Q

Misaligned Pulleys will cause an increase in

A

Cable Wear

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14
Q

What effect will stretching of a cable have on output

A

Produce an Uneven Delayed and Reduced Output

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15
Q

Structural Stretch

A

Core Compression

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16
Q

Elastic Strecth

A

Elongation of Wires

17
Q

Elastic Limit of Stainless Steel Cable

A

60% of Breaking Force

18
Q

Elastic Limit of Galvanised Steel Cable

A

50% of Breaking Force

19
Q

How many strands 7 x 19

A

7

20
Q

How many wires in a 7 x 19

A

19 wires

21
Q

Smaller Wires means

A

More Flex

22
Q

LockClad Cables

A

Twisted Steel wire with Aluminium tube around it

Same coefficient of expansion as fuselage

23
Q

What do turnbuckles do

A

Adjust Cable Tension and Length

24
Q

Turnbuckle LH thread indications

A

Knurl or Grove

25
Q

How are Turnbuckles locked

A

Spring Clips

Lockwire

26
Q

What conditions can alter the tension of a cable

A

Temp

Flexing of aircraft

27
Q

Tension Regulator Purpose

A

Keep Tension in Tolerances

28
Q

Broken Cable Compensator Purpose

A

Protect against Broken Cables

29
Q

Fair leads Purpose

A

Prevent Chaffing when routing through Aircraft Structure

30
Q

Max Deflection of a Cable in Fairlead

A

3 °

31
Q

Quadrants and Drums

A

Input or Output of Cable Systems

32
Q

Bowden Cables

A

Transmit force via inner cable in hollow housing

33
Q

Lengthening Housing of Bowden Cables

A

Tightens Cable

34
Q

Shortening Housing of Bowden Cable

A

Loosens Cable

Mod 6 (8 decks)

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