What are the two types of oil systems found in reciprocating aircraft engines?
Aircraft reciprocating engine pressure lubrication systems can be divided into two basic classifications: wet sump and dry sump. The main difference is that the wet sump system stores oil in a reservoir inside the engine. After the oil is circulated through the engine, it is returned to this crankcase based reservoir.
What are the different lubricating system components on reciprocating engines?
The principal units in a typical reciprocating engine oil system includes an ‘Oil Tank’ (dry sump), ‘Oil Filters’, ‘Pressure’ and ‘Scavenge Pumps’, ‘Oil Cooler’ (radiator), an ‘Oil Pressure’ and ‘Temperature Gauge’, plus the necessary interconnecting oil lines, which are all shown in the Figure 3.1.
What are the 2 types of oil system used on aircrafts?
Most aircraft engines utilize either a wet sump or dry sump type of lubrication system. One of the primary differences between the two systems is the wet sump stores oil in the engine crankcase, while the dry sump uses an external oil tank mounted on or near the engine.
Which type of oil is typically used in aircraft reciprocating engines?
Most piston aircraft and engine manufacturers approve two major types of oil for use: straight mineral oil and ashless-dispersant (AD) oil. Straight mineral oil is pretty much what comes from a refinery, and it’s a good lubricant, but it won’t keep your engine clean.
How does oil system work in aircraft?
In aviation engines, the oil must carry off a greater percentage of the engine’s heat. Oil is a heat-transfer medium which flows through the crankcase and oil coolers, and dissipates the heat from moving parts, thus constantly cooling engine bearings and piston rings.
What is the main function of lubricant?
Functions of lubrication : To lubricate each part of the bearing, and to reduce friction and wear. To carry away heat generated inside bearing due to friction and other causes. To cover rolling contact surface with the proper oil film in order to prolong bearing fatigue life.
What are the three common lubricants?
There are 4 types of lubricants: Oil, Grease, Penetrating Lubricants, and Dry Lubricants. The 2 most common lubricants you’ll be dealing with daily are oil and grease, however, your facility will still be using dry and penetrating lubricants.
What does oil do within an engine quizlet?
What does oil do within an engine? Oil decreases resistance and friction between two sliding bodies, resulting in a reduction of engine wear.