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The hot section of any turbofan or turboprop airplane is key in producing thrust, the seminal force used in flight. It is a collection of important engine parts such as the turbine blades, combustion chamber, stators, vane rings, compressor turbine disk, and shroud segments. As these are crucial components to the performance of the engine, hot section inspections are imperative in ensuring the reliable performance of your aircraft.
Learn MoreThe U.S. military is a highly coveted customer within the aerospace and defense supply chains as their need for components is understandably plentiful. Each and every part that the DoD uses however, must have a National Stock Number (NSN) assigned by the Defense Logistics Agency. A manufacturer can not request an NSN, instead the component must be recognized by the military, a participating NSN country, or a government contractor.
Learn MoreThe complexity of aircraft hydraulic systems depends heavily on the functions it needs to perform. In smaller planes, hydraulics is used to operate constant-speed propellers, landing gear, and aircraft wheel brakes. On larger planes, the systems tend to be more complex as they are used to operate flight control surfaces, spoilers, wing flaps, brakes, and other flight critical functionality. The principles of hydraulics are based on Pascal’s law—pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid, such that the pressure ratio remains constant.
Learn MoreFlying an aircraft safely and effectively relies on feedback on flight conditions from a wide variety of sensors and equipment. These sensors monitor conditions and effects on the aircraft and feed this information to flight computers for processing before being displayed to the pilot.
Learn MoreIf you look outside a commercial jet’s window out at the wing, you’ll probably see a variety of different panels and surfaces rise, lower, and shift as the plane takes off, flies, and lands. But what do these different panels do, and why are they used in one situation over another?
Learn MoreThe operating principle of Hydraulic Systems is that force applied to a single point will be transferred to another point using an incompressible fluid, typically an aircraft oil. A modern system is composed of two pistons and a filled cylinder connecting them. When one of the pistons is activated, the liquid moves through the cylinder and applies pressure on the other piston, causing it to move. The efficacy of oil is high in hydraulic systems, and the majority of the force applied appears at the second piston. The cylinder which connects the pistons can be any size, shape, or length.
Learn MoreOne of the most basic requirements for keeping any engine in good shape is an oil change. The proper amount of oil will lubricate engine components and reduce wear. There are several requirements to keep in mind when selecting an oil and maintaining the engine.
Learn MoreAircraft communication is key for pilots as the utilization of global airways continues to grow. Generally speaking, aircraft fly at an altitude of 35,000 to 42,000 feet and must be able to maintain regular contact with other aircraft, control towers, and their home base.
Learn MoreElectromechanical relays are switches used to control high power electrical devices. They turn a small amount of power into a much larger amount. These relays use an electrical supply in order to perform a mechanical action, hence the name. Moving parts are used to connect contacts within the relay. Electromechanical relays are most commonly used to control a single circuit using a low power signal or to control multiple circuits with a single signal.
Learn MoreThey always sound so high tech that we hardly notice that our day-to-day lives always involve the use of sensors. From IR sensors in TV remotes to passive infrared sensors on automatic doors or LDRs for outdoor and street lightings, sensors are everywhere.
Learn MoreBearings are some of the most common mechanical elements in any machine or system. Typically, bearings are components used between two other components that allow for rotational and/or linear movement, while reducing friction and increasing efficiency. This is based on the simple idea that things roll better than they slide.
Learn MoreAircraft flaps are a high-lift device designed to increase aircraft lift once a certain speed is reached. Flaps help the wings adapt to whatever phase of flight they may be in. The usage of flaps on wings provide these three major advantages:
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