Preparation of Engines for Installation After the decision has been made to remove an engine, the preparation of the replacement engine must be considered. The maintenance procedures and methods used vary widely. Commercial operators, whose maintenance operations require the most efficient and expeditious replacement of aircraft engines, usually rely on a system that utilizes the … Read more
The terms afterburning and thrust augmentation generally pertain to military engine applications. The terms are used to describe the same system. Normally, this is used to increase the thrust of the engine up to double the original thrust. The required additions to the exhaust nozzle for this system are a flame stabilizer, fuel manifold, flame … Read more
Aircraft powered by gas turbine engines sometimes require noise suppression for the engine exhaust gases when operating from airports located in or near highly populated areas. Several types of noise suppressor are used. A common type of noise suppressor is an integral, airborne part of the aircraft engine installation or engine exhaust nozzle. Engine noise … Read more
The Stromberg PS carburetor is a pressure-type fuel metering device used on reciprocating aircraft engines. It meters fuel according to engine airflow and uses pressure differentials within its regulating system to maintain the correct air-fuel mixture throughout the operating range. The PS series carburetor is a low-pressure, single-barrel, injection-type carburetor. The carburetor consists basically of … Read more
Connectors and conduit are important components of aircraft engine ignition and electrical system installations. Connectors provide secure electrical connections while allowing circuits and equipment to be disconnected for maintenance, and conduit protects wiring from mechanical damage. Proper selection, installation, and handling help maintain reliable electrical operation in the demanding engine environment. Connectors Connectors (plugs and … Read more
Proper propeller maintenance is essential for minimizing vibration, ensuring efficient engine performance, and extending propeller service life. Excessive vibration can result from propeller imbalance, improper blade tracking, or incorrect blade angle settings, increasing stress on the engine and airframe. Routine inspection and adjustment help maintain smooth operation, improve aircraft reliability, and reduce the risk of … Read more
Proper maintenance, inspection, and timing of a reciprocating engine ignition system are essential for reliable engine operation. Maintenance procedures include checking magneto internal timing and E-gap, timing the magnetos to the engine, performing operational ignition system checks, and inspecting ignition leads and harnesses for defects. Accurate adjustment and careful testing help ensure that the ignition … Read more
Proper propeller removal and installation are essential to ensure safe operation, correct alignment, and reliable performance. Following approved maintenance procedures helps prevent damage to the propeller and engine components while maintaining proper mounting integrity. This section outlines the general procedures for removing and installing a propeller assembly. Removal The following procedure is provided for demonstration … Read more
An engine awaiting overhaul or return to service after overhaul must be given careful attention. It does not receive the daily care and attention necessary to detect and correct early stages of corrosion. For this reason, some definite action must be taken to prevent corrosion from affecting the engine. Engines that are not flown regularly … Read more
An increasing number of light aircraft are designed for operation with governor-regulated, constant-speed propellers. However, many general aviation aircraft still operate with fixed-pitch propellers. Light-sport aircraft (LSA) commonly use multiblade fixed-pitch composite propellers, while many medium-size turboprop aircraft are equipped with reversible-pitch propeller systems. Larger transport and cargo turboprop aircraft typically use propeller systems with … Read more
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