AGK - Piston Engine Designs Flashcards

1
Q

If you add cylinders to a piston engine, what happens?

A

It increases the maximum power output for the piston engine.

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2
Q

What is the most common design engine for modern light aircrafts?

A

Horizontally opposed engines.

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3
Q

Camshaft must go ____ the speed of the crankshaft.

A
  1. Half
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4
Q

What does the crank assembly comprise of?

A

It comprises of the crankshaft, connecting rods and piston.

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5
Q

How many sparkplugs are there per cylinder?

A

There are two spark plugs per cylinder due to redundancy.

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6
Q

What does the cylinder comprise of?

A

A barrel and a head.

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7
Q

Why is it better to have 2 spark plugs per cylinder?

A

Their is in-built redundancy, and it also increases efficiency since mixture is ignited at both ends of the cylinder.

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8
Q

Where are the piston rings located?

A

They are located around the piston skirt, and they seal gaps to prevent oil from squeezing past the piston.

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9
Q

What do the cams on the crankshaft ensure?

A

They ensure the inlet and exhaust valves for each cylinder open and close at the right time.

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10
Q

What do hydraulic tappets adjust?

A

They adjust the tappet clearance as the engine warms and cools.

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