Flashcards on Aircraft Reciprocating Engine Systems

Aircraft Reciprocating Engine Systems: A Student's Guide

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What can be learned about the condition of an engine from a compression check?

Whether the valves, piston rings, and pistons are adequately sealing the combustion chamber.

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Aircraft Engine Maintenance

4 cards

Card 1

Question: What can be learned about the condition of an engine from a compression check?

Answer: Whether the valves, piston rings, and pistons are adequately sealing the combustion chamber.

Card 2

Question: How can a cold cylinder be located on a double-row radial engine?

Answer: Use a cold cylinder indicator ("Magic Wand") to find any cylinder with a temperature lower than the normal operating temperature of the others.

Card 3

Question: What instrument(s) can be used to check a cylinder bore for out-of-roundness?

Answer: A dial indicator, a telescopic gauge and micrometer, or an inside micrometer.

Card 4

Question: Why is it important to preserve engines that will not be operated for an extended period?

Answer: Moisture will accumulate in the engine and initiate corrosion, which can ruin the engine.