1.1 Aircraft require thrust to produce enough speed for the wings to provide lift or enough thrust to
overcome the weight of the aircraft for vertical takeoff.
1.1.1 Durability and Reliability
1.1.2 Power and Weight
1.1.3 Fuel Economy
1.1.4 Operating Flexibility
1.1.6 Powerplant Selection
2 Types of Engine
2.1 Inline Engines
2.2 Opposed Engines
2.3 V-Type Engines
2.4 Radial Engines
2.5 Reciprocating Engines
2.5.3 Connecting Rods
220.127.116.11 The connecting rod is the link that transmits
forces between the piston and the crankshaft.
18.104.22.168 The piston of a reciprocating engine is a
cylindrical member which moves back and forth
within a steel cylinder.
22.214.171.124.1 Piston Rings
126.96.36.199.1.1 The piston rings prevent leakage of gas pressure from
the combustion chamber and reduce to a minimum
the seepage of oil into the combustion chamber.
188.8.131.52 The portion of the engine in which the power
is developed is called the cylinder.
184.108.40.206.1 Firing Order
220.127.116.11.1.1 The firing order of an engine is the
sequence in which the power event occurs
in the different cylinders.
18.104.22.168 A bearing is any surface which
supports, or is supported by,
2.5.8 Operating Cycles
22.214.171.124 Four- Stroke Cycle
126.96.36.199.1 Intake Stroke
188.8.131.52.2 Compression Stroke
184.108.40.206.3 Power Stroke
220.127.116.11.4 Exhaust Stroke
18.104.22.168 Two-Stroke Cycle
22.214.171.124 Rotary Cycle
126.96.36.199 Diesel Cycle
3.1 Thermal Efficiency
3.2 Mechanical Efficiency
3.3 Volumetric Efficiency
3.4 Propulsive Efficiency
4 Gas Turbine Engines
4.1 Consists of...
4.1.1 1. An air inlet, 2. Compressor section,
3. Combustion section, 4. Turbine
section, 5. Exhaust section, 6.
Accessory section, and 7. The systems
necessary for starting, lubrication,
fuel supply, and auxiliary purposes,
such as anti-icing, cooling, and