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6 Cards in this Set
- Front
- Back
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What is meant by pressure cooling of an air cooled engine? |
Ram air on the upper side of the engine is forced by a series of baffles to flow through the fins and the cylinders to a low pressure area on the lower side of the engine. |
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What must be inspected on the cooling system of an air-cooled engine? |
All of the baffles and air seals must be in place and in good condition |
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Why should an air-cooled engine not be run up to the high power without the cowling installed? |
Because the engine depends on the cowling to force air through the cylinder fins to remove the excess heat. |
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Why do some air-cooled engine installations have cowl flaps? |
To produce a low pressure on the lower side of the engine to pull air through the cooling fins on the cylinders. |
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Where can you find what is the maximum amount of cylinder fin area that can be removed in order to clean out a damaged area? |
Engine overhaul manual |
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What document describes the proper use of cowl flaps on an air-cooled engine? |
The pilot operating handbook (POH) |
