Airframe & Engine Flashcards

(29 cards)

1
Q

What windshield is made of

A

Perspex

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2
Q

Spar, ribs, stringers

A

See photo

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3
Q

Monoplane

A

A plane with one set of wings

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4
Q

Stress analysis

A

Analysis of the components of the airplane to withstand force the airplane is intended to

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5
Q

Strain

A

The degree by which a material is deformed after a stress

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6
Q

5 stresses on airplane

A

Tension
Compression
Shear
Torsion
Bending

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7
Q

Semimonocoque

A

Light framework covered by skin, usually alumunium

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8
Q

Wing structure element that takes up vertical bending

A

Spars

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9
Q

When parkingnwith wind, how should I position the aircraft

A

Into the wind

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10
Q

Four strokes of an engine on each cylinder

A

Intake
Compress
Ignite (power)
Exhaust

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11
Q

Crank shaft

A

The shaft used to control the piston movements

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12
Q

Camshaft

A

The shaft used o control the valves
The air fuel mixture valve and exhaust valve

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13
Q

TDC top dead center

A

When piston is furthest away from crankshaft

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14
Q

BDC bottom deas center

A

When piston is closest to the crankshaft

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15
Q

Valve leg or valve lead

A

The delay in which valve opens or closes before /after reaching TDC PR BDC
For example, allowing maximum time for intake as it opens beforce TDC

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16
Q

Valve overlap

A

When both valves are open

17
Q

Dual ignition

A

Two spark plugs per cylinder

18
Q

Magnetos

A

The component providing the electrical current to the spark plugs

19
Q

Magneto distributor

A

As each cylinder at different stage, the distributor decides which cylinder gets a spark

20
Q

Otto cycle

A

four-stroke cycle

21
Q

The magneto distributor finger moves ____ in every complete four-stroke cycle

22
Q

To start an engine, aircraft use

A

Electric starter motor

23
Q

During engine start, how many magnetors are used?

A

One, usually left, and is boosted with a coil (read more)

24
Q

What’s the name of the component that transfers high current during START from battery to starter motor

A

Solenoid (Not true probably)

25
Spark advance
Spark occuring slightly before reaching the head of the cylinder (TDC)
26
Impulse coupling
Magneto. With primary coil and secondary coil, the primary coil shuts off causing a very high voltage spark in the secondary coil. Generates a high voltage Retards the ignition timing to to start the engine
27
Tachometer
RPM indiciator
28
Hobbs meter
Counts the time from engine start (or battery on)
29
Diesel benefits
- Cheaper - Ecofriendlier - Self igniting (does not need spark plugs, fuel is ignited through compression)