MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 121
ine manufacturers always lay down certainlimits which must be strictly observed, otherwise thelife of the engine may be seriously impaired. Methods of Lubrication. 1. Force Feed: In this method the oil is forced underpressvure from a pressure pump through the hollowcrankshaft and lubricates the… … SUMP FILTER 2. Splash: The oil is contained in a sump, or reser-voir, at the bottom of the engine. It is churned by therevolving crankshaft into a heavy mist which splashesover the various engine parts. This type of lubricationis practically obsolete in present-day aircraft engines. 3. Hand Feed:…
Airplanes
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