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5 Cards in this Set
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What is the main advantage of a horizontally opposed engine over a radial engine for powering modern aircraft?
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horizontally opposed has smaller frontal area and is easier to streamline than a radial
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How many throws are there in the crankshaft of a six-cylinder horizontally opposed engine?
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Six
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What kind of connecting rod arrangement is used in a radial engine?
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A master rod connects the single throw of the crankshaft with a piston. All of the other pistons are connected to the master rod with link rods.
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Of what material are most piston rings made
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Gray cast iron.
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What is the reason for using hydraulic valve lifters in an aircraft engine?
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keeps all of the clearance out of the valve operating mechanism. This decreases the wear of the valve train components.
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