For the individuals who have worked in or with physics or the science behind movement, particularly that of various kinds of fans, there is no mistaking the distinction between the terms propeller and impeller. Ask a novice however what the difference is and they will tell you many different answers. While they are similar and though sometimes the terms are used interchangeably, there are many important distinctions that you need to know if you want to use them efficiently and properly.
FSC 5965 is a Federal Supply Class that contains components such as headsets, microphones, handsets, and speakers that are used for aviation purposes. When procuring or replacing such equipment for aircraft operations, it can be hard to decide what is best for your given needs and what role each device plays for aircraft operations. In this blog, we will discuss the various equipment and devices included within FSC 5965 Headsets, Handsets, Microphones and Speakers, and how to make a well informed decision when it comes time to purchase.
The aviation warning light system is a crucial aspect in the aeronautical sector as they are used to direct pilots flying in the sky of any obstacles or potentially dangerous impediments in the cross of their flight path. Over the years, the aviation warning light system, also known as aviation obstruction lights, have evolved from what was once a simple pattern of red, blue, and green lights to a more sophisticated formula that enables pilots to navigate safely throughout the skies. In modern aviation, any structure that exceeds a certain height (usually 200 ft above ground level) is required by law to be properly marked with aircraft warning lights. These objects can include smoke stacks, wind mills, water tanks, industrial chimneys, turbines, pylons, cranes, or any broadcast masts & towers. Along with this rule, there are many other systematic rules and classifications of the warning light systems for aviation. For more information on this, read on below.
Obstruction lighting is an important aid in ensuring the safe flight of aviators around the world. You’ve almost certainly noticed it before, but you may not have given it a second thought. Obstruction lighting refers to the lighting atop tall buildings and structures that allows operators to see them from a distance. They are used at night and serve as an important collision avoidance measure. Towers, skyscrapers, bridges, hills, and even chimneys or antennas are all objects that could be considered aviation obstruction. Obstruction lighting is critical in illuminating these objects and creating a safe environment for flight.
Before we can dive into how turbofan engines work, we need to first look at the core functionality of a turbojet engine. This is because the only difference between the two is an added fan placed in front of a turbojet’s core engine. This fan is encased in its own inlet and increases airspeed and thus pressure, ultimately resulting in an increase in overall exit thrust. This enhancement occurs without the need of additional fuel, making turbofans the engine standard for airliners because of their fuel efficiency. There are four main parts of a jet engine that air flow passes through that need to be explained to understand just how thrust is produced. These parts are where air enters an engine inlet and meets the compressor to, when it passes through the combustor, turbine, and exits out the nozzle.
Aircraft spacers are used to guide wires, keep conflicting wires separated and hold wiring bundles in place. Wire organization is key in aircraft assembly to avoid electrical system malfunction and ensure the longevity of installed wiring. These spacers can be tubing, shafts, piping, or part fitters and come in a wide variety of shapes, sizes, and materials. Their shape can be hinged, hexagonal, cylindrical or flat and some materials used in their manufacturing include steel, aluminum, brass and synthetic materials such as nylon, rubber and plastic.
Within aircraft, there are a multitude of systems that utilize hoses. Hoses can be installed for fuel lines, hydraulic systems, brakes, oil coolers, and more. Flexible aircraft hoses in particular are important in situations where parts may be subjected to vibration or the hose system needs a lot of flexibility. In this blog, we will discuss some of the important considerations and steps that should be taken into account when purchasing and installing a flexible aircraft hose.
Hydraulic systems are a widely used, reliable, and cost effective method of creating motion and actuation for various components. They can be utilized for car braking systems, aircraft flight control systems, industrial machinery, and much more. Simply put, hydraulic systems work by pressurizing liquid in an enclosed space, which in turn transfers that pressure equally through the system which can be used to perform various tasks. With hydraulics, it is important that that pressure remains equal and there is a backup in case of leakage or failure. To prevent and solve this problem, many hydraulic systems utilize hydraulic bypass valves.
When you’re dealing with complex, highly-engineered, and expensive aircraft, it is important that every single piece does its job. From the engine down to the smallest fastener, each part has an important role to play. Bolts, a small but critical fastener in the construction of any aircraft, are no different. The stress of flight means that non-aviation grade hardware simply doesn’t do the trick. It has neither the strength nor the corrosion resistance to work effectively in flight. This has required aviation authorities to develop strenuous standards for aircraft bolts, as well as an exhaustive description and coding system.
The O-ring is a manufacturing component that has been around for over a century. Thanks to their design simplicity and practical nature, O-rings remain in widespread use to this day. Their function is as simple as their design, which serves to create a tight, leak-proof seal between two components. They are very similar to gaskets, although O-rings are normally used in higher-pressure environments where other seals parts would fail. O-rings work by sitting between two other pieces that will be connected. The O-ring lies in the connective joint between the two parts where, once under pressure, will shift around causing it to more tightly hold onto the inner and outer walls of the pieces it’s connecting.
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