The gas turbine engine is a powerful apparatus that enables flight for countless aircraft models, commonly coming in the form of turbofan engine, turbojet engine, turboprop engine, and turboshaft engine types. In order to initiate standard operations, the gas turbine engine relies on the rotation of the high-pressure compressor which must be accelerated to the point where optimal air intake and fuel combustion takes place. A turbine starter is the device that makes such engine initiation possible, accelerating the compressor and assisting the engine until a self-sustaining speed is reached. In this blog, we will provide an overview of gas turbine engine starters, allowing you to better understand how they are used for flight operations.


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Fiber optics are powerful communication devices, capable of transmitting data over great distances in the form of light. While the signal power and speed of fiber optic signals is an advantage that allows for easy long distance communications, there can sometimes be instances where a signal can be too strong and requires weakening before it overloads a receiver. With devices known as fiber optic attenuators, or optical attenuators, optical signal power may be reduced in a free space or within a fiber.


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A relay is an electrical component that acts as an electrically operated switch, and such part types commonly serve numerous circuits. When implemented in an electrical system, relays are used for controlling a circuit with a low-power signal or to manage multiple circuits with a single signal. Relays can be used for numerous appliances and electronics such as microprocessors, power system networks, automation equipment, current protection devices, and more. As there are multiple relay types that feature varying construction and capabilities, understanding the most common types and their uses can be beneficial when searching for a solution for your part requirements.


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A pressure transducer is a device used to measure the pressure of a fluid by indicating the force the fluid is exerting on surfaces it comes in contact with. Pressure transducers are used in a broad range of control and monitoring applications including flow, air speed, level, pump systems, and altitude. To calculate pressure, pressure transducers consist of a force collector, such as a flexible diaphragm, which deforms when pressurized, and a transduction element that converts this deformation into an electrical signal.


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A terminal block is a modular block with an insulated frame used to secure two or more wires together. The standard terminal block consists of a clamping component and a conducting strip. The insulating body of a terminal block houses a metal strip, terminal bar, or other type of current-carrying element, in addition to providing a base for the clamping element. The body features a mounting arrangement allowing the block to be easily mounted and unmounted from a printed circuit board (PCB) or mounting rail. Most terminal blocks are modular and mounted on a DIN rail, allowing for an increased number of terminals depending on the requirement of the application. Terminal blocks are key in keeping connections secure and wires organized. In this blog, we will look at the most common types.


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An optocoupler, also known as an opto-isolator, photocoupler, or optical isolator, is a type of electronic component that uses light to transfer electrical signals between two isolated circuits. Optocouplers prevent high voltages from harming the system receiving the signal. Commercially available optocouplers can withstand input-to-output voltages as high as 10 kV as well as voltage transients with speeds up to 25 kV per microsecond. The most common type of optocouplers feature an LED and phototransistor in the same housing. Other types include LED-photodiodes, LED-LASCR, and lamp-photoresistor packages. Opto-isolators typically transfer digital on/off signals, though some techniques allow them to be used with analog signals.


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Fasteners are components that are crucial to aircraft construction, allowing for parts to be affixed in non-permanent and permanent fashions. When a threaded fastener such as a bolt is used for creating assemblies, a nut is always paired with the bolt in order to ensure that the connected objects are secure. As aircraft are often subject to high amounts of vibration during flight, nuts may loosen over time and lose their integrity. As such, special components known as lock nuts are often implemented in order to protect assemblies from loosening under vibration.


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While piston engines have served many aircraft faithfully over the past century, they still have their fair share of possible failures and part issues. As is with all engines, piston engine components may eventually lose their integrity or functionality with prolonged use, leading to a loss in engine performance or a failure. As such, it is important to always be on top of maintenance endeavors with regular inspections conducted on set intervals. Additionally, having an understanding of the most common parts that fail and why they do can be very beneficial for any owner or operator.


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From landing gear to flight surfaces, a great number of aircraft systems now utilize electronics to some degree for their operation and control. With a complex electronic system within an aircraft, many electronics and aircraft components work together to provide efficient operation that can be relied upon. To best understand the aircraft electrical system, it is beneficial to first be aware of the various major parts that make it up, as well as how each functions.


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Whether constructing a simple piping system or a robust aircraft structure, fasteners prove to be one of the most crucial components for assembly, load bearing, and more. Fasteners are mechanical devices, designed to conjoin or affix two or more components together in a permanent or non-permanent fashion. Within the aerospace industry, a number of fasteners are used to join together aircraft parts, allowing for structures to withstand the various extreme conditions that aircraft are subject to during typical flight operations. In this blog, we will discuss the captive fastener which is a type of screw that is commonly used for many types of assemblies.


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