An IDG, more formally known as an Integrated Drive Generator, is a type of power system commonly implemented within aircraft for the means of governing all engine hydraulic systems. In general, such assemblies consist of a single housing which contains a Constant Speed Drive (CSD) and an AC generator mounted in parallel. With the controlled differential capabilities of the CSD, a consistent output speed can be maintained for driving the AC generator. With this process, many key components of the aircraft are provided the energy necessary for their functionality. As a result, it is crucial that operators maintain their IDG for optima
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Electricity is a useful, but dangerous source of energy if not handled safely, presenting the risk of appliance damage, electrical fires, physical harm, and more. As a result, much care is put into the design of electrical systems and the various components that are used to transport electricity. Electrical fuses are standard safety devices found in numerous assemblies and applications, serving as sacrificial devices that guard appliances and circuits from electrical overload conditions. Read more »
While there are many bearing options available, roller-element bearings should be considered whenever high radial loads are present in a rotational system. Ultimately designed to reduce friction while facilitating motion in a particular direction, roller-element bearings employ cylindrical rollers to assist machinery with their individual load requirements, modes of operation, as well as aim to minimize the impact of forces exerted on mechanical equipment within an assembly. Further improving part flexibility, roller bearings come in four common types, each of which supports different load demands depending on the shape of the rolle
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A ball bearing is a common form of rolling-element bearing, featuring balls placed between races to maintain separation. With the use of such products, rotational friction between moving surfaces can be mitigated while axial and radial loads are supported. With the use of ball bearing cages, also known as retainers, the bearings may be held together while balls are separated from one another. Coming in numerous types, such bearing elements are crucial for standard operations and may act as a reservoir or supplier of oils for lubrication. In this blog, we will discuss ball bearing cages and retainers, allowing you to better unde
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Welding is a process of joining two or more parts together through the application of high heat that causes fusion through the cooling of melting surfaces. Electrical resistance welding in particular is a process in which an electric arc and pressure are used for the joining of elements. With the use of a powerful arc, metal pieces may be melted down and forged together through fusion. First invented in the 19th century, electric resistance welding still remains a popular procedure for many applications due to its various advantages over other welding types.
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For a majority of modern aircraft, flight is made possible through the continuous combustion of fuel-and-air mixtures that drive turbines, create propulsion, and more. While the power needed for flight is created through such methods, the resulting exhaust from ignited fuel-and-air mixtures needs to be efficiently expelled from the system to avoid major pressure and heat build-up. Exhaust can also be harnessed for increased propulsion in some aircraft after being used to drive systems, making the engine exhaust system a very crucial aspect of any aircraft. In this blog, we will provide a brief overview of common engine exhaust syste
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The flight line of an airport or airfield is the area near hangars where aircraft may be unloaded, offloaded, and serviced. As a high-level activity space that may have running aircraft, operating APUs, fuel trucks, baggage handling equipment, and other objects present, maintenance technicians and workers must be on constant alert and aware of their surroundings for the means of safety. In this blog, we will provide an overview of the common hazards associated with flight lines, allowing you to understand best practices to keep yourself and others safe.
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The induction system is crucial for the operation of a reciprocating aircraft engine, ensuring that air is brought into the system for the means of combustion. As air is brought in from the outside, it is mixed with fuel before being delivered to the engine cylinder assembly for ignition. Due to the relation of the induction system’s ability to draw in air and the general performance of the aircraft, it is important that such assemblies are well-designed and maintained. In this blog, we will discuss how the induction system works and how it supplies the engine with sufficient airflow.
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Welding is a process in which two or more parts may be joined together through the use of high heat, pressure, or a combination of the two. While a significant portion of an aircraft may be conjoined with fasteners, many assemblies are also made possible through the use of welding. Depending upon the pa
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The radial engine is a type of reciprocating internal combustion engine in which the cylinders radiate outward from a central crankcase like the spokes of a wheel. When viewed from the front, radial engines resemble a star. For this reason, they are sometimes called star engines. The radial configuration was commonly used for aircraft engines prior to the rise of gas turbine engines. In this blog, we will discuss the operation of radial engines in detail.
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