While aircraft are advanced vehicles with extremely durable systems and parts, they will still face wear and tear over time as a result of the various stressors and forces they face during typical flight operations. One issue that aircraft will face is fatigue, that of which can eventually lead to equipment and structural failure if not treated. Aircraft fatigue is most often faced by metal airframes, causing structures to slowly weaken. While fatigue is not completely preventable, it can be deterred to extend the periods between servicing through various common techniques.


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Although landing gear malfunctions can occur on any aircraft, not all of them risk the chance of death or injuries, obviating any investigations by the National Transportation Safety Board due to the rarity of serious incidents. However, 10% of all failures in an aircraft are caused directly by landing gear failure, which is often either attributable to mechanical reasons or human error. In both cases, aircraft safety is jeopardized regardless of the severity of danger, possibly leading to crash landings or other accidents if issues are ignored. Therefore, investigating and analyzing the root causes of landing gear breakdown is crucial to avoid and tackle such scenarios from taking shape.


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Any ship will eventually need repairs if it is out at sea for an extended period. These can be anything from minor adjustments to major overhauls, and even replacements in some cases. Ships typically return to a dock for service and maintenance purposes, and such processes are carried out by skilled mechanics or repair personnel for significant repairs. In some instances, ships might be too far from land to come back to a port for repair, so one will have to perform the repair operation at sea. Also, several standard maintenance processes can be carried out at the ship’s location. Therefore, it would be best to have skilled labor, equipment, and spare parts on hand to carry out necessary repairs. Here is an overview of the various repairs that often become necessary at sea.


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Aircraft are equipped with many controls, such as switches, levers, systems, and instruments, allowing them to traverse the sky with ease. For instance, the autopilot feature in aircraft is required to perform numerous functions like finding a specific course, changing altitudes, and following navigation sources with crosswinds. Most importantly, a flight director system is built with the computing ability to carry out all of these tasks, providing signals to assist pilots or autopilot control inputs to stay along a predetermined and computed flight path.


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The jet engine remains the pinnacle of modern aviation technology. With its extremely complex design and the need to consistently function without failure, aerospace engineers are constantly looking for ways to improve their performance and safety. In this domain, one of the biggest focuses is the material used in jet engine construction. Traditionally, each section of the engine was made of different materials due to the varying heat and mechanical stress. Today, several novel materials and composites are being tested to replace the heterogeneous design.


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The engine of an aircraft is paramount for its ability to sustain heavier-than-air flight over significant distances, typically providing thrust for forward propulsion through the combustion of fuel-and-air mixtures and various assemblies. Since the inception of powered flight in the early 1900s, numerous advancements have been made to aircraft engines with more complex types coming about throughout the years. While early engines were more simplistic and are intended for lighter aircraft, we now have jet engines and other advanced types that have revolutionized the ways in which we can design aircraft and traverse the atmosphere. In this blog, we will provide a brief overview of the most common types of aircraft engines, allowing you to understand their differences and their effect on flight operations.


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A relay is an electrical switch with the capacity to close and open circuits by utilizing electromagnetism to convert small electrical currents into larger currents. These conversions can be achieved as the electrical inputs activate electromagnets to either make or break existing circuits. Moreover, relays control circuit contacts that are normally open (NO) or normally closed (NC). 


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Mounted to the trailing edges of aerofoils on fixed-wing aircraft, flaps are a high-lift device designed to reduce a wing’s stall speed. With stall speeds being a persistent consideration among aircraft which are directly affected by its weight, flaps must be built to accommodate the size of an aircraft when employed during flight. Essentially used to effect drag and lift, especially during takeoff or landing procedures on shorter runways, flaps can be retracted for convenience when not necessary. To fully understand how one’s aircraft works, it is imperative to know all control surfaces and how they can easily impact an aircraft's orientation in the sky. Within this blog, we will get familiarized with aircraft flap types, how each works to accommodate aircraft specifications, and the drawbacks of each.


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Bearings are common components of marine vessels and their engines, implemented for the means of supporting rotational and reciprocating movements of crankshafts, camshafts, and the cross head of the engine. Bearings play a crucial role in facilitating power generation operations for various marine engine types, and their well-being and lubrication will regularly dictate the health of the engine and its avoidance of breakdowns. As the clearances of bearings will often denote the amount of wear that such components have undergone, it is important to understand how to conduct such measurements as well as what they mean.


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Electricity is paramount for powering the countless appliances and electronics that we rely on every day, but it is also a volatile force that needs to be managed for safety. When an excessive amount of current passes through wires due to a short circuit, a great amount of heat may be generated and sensitive components can be seriously damaged. Additionally, short-circuiting can even cause electrical fires and dangers to individuals which can be extremely dangerous for certain applications such as aviation. In order to prevent the damages and hazards associated with overload conditions, electrical circuits are guarded with circuit protection devices. The most common circuit protection devices are fuses, current limiters, and circuit breakers. As each device type has its own features and capabilities that dictate their use, it can be very beneficial to understand the differences between each Fuses are a basic component for circuit protection, and they are a thermal device with an element which exhibits a low melting point. Fuses generally have low current carrying capacities, and they are designed to melt in the occurrence of a short circuit. With this method of operation, fuses can quickly interrupt a circuit for safety. The element of the fuse may be constructed from varying materials, and the most common are lead silver, tin, bismuth, and their related alloys. To provide ample protection for the circuit, fuses must be placed near the power source so that they may manage the entire cable. For aircraft applications in particular, fuses are often heavy-duty and may serve AC and DC sources. Furthermore, aircraft often employ fuses for both the circuit and devices for redundancy and further protection.


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A fastener is a hardware device used to mechanically join two or more objects together, generally in a non-permanent joint. Fasteners have a broad range of uses in a diverse set of industries. As such, there are many different types of fasteners on the market. The most common types of fasteners are bolts, screws, nuts, and washers. In this blog, we will discuss each type and its unique characteristics.

Bolts are the most common type of fastener. They are commonly used to hold two unthreaded components together. Bolts feature external male threads on one end and a hexagonal head on the other. A bolt is typically fastened with a nut on the opposite end, though one of the parts may have a threaded hole to replace the bolt and minimize the number of components. There are many different types of bolts, each with unique advantages and disadvantages. The main types of bolts are hex-head, double end, eye, penta, carriage, socket head, and u-bolts.


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Despite being among the most overlooked aspects of an aircraft avionics system, the antenna is perhaps the most important. Aside from certain devices, like autopilots, avionics rely heavily on antennas to communicate. Modern antennas are available in many different shapes and sizes, each formed by its function. More often than not, a well-equipped aircraft will feature a collection of antennas, making it difficult to understand what each antenna does. However, when you look at them one by one, aircraft antennas are easy to understand. Their size, shape, and placement is generally determined by the frequencies at which they are used and their directional qualities. This blog will cover the most common types of antennas found on aircraft as well as their functions.


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When it comes to marine diesel engines, proper maintenance and repair is not something to take lightly. Even something as simple as forgetting to install an o-ring when replacing the oil filter can be a costly error. The nature of boating is such that the water you are moving through is constantly trying to slow or stop you. Because of this, even traveling at slow speeds can exert your engine more than you might think. Problems may be arising without any signs, so preventative maintenance is a must. The diesel marine engine is by no means a simple part, but there are four areas that, when cared for properly, will go a long way in ensuring the proper performance of your engine. These are the lubrication, cooling, electricity, and fuel systems. This blog will discuss how to care for each.


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Within the realm of piping systems and fluid transportation, solenoid valves prove to be an indispensable piece of equipment with their various capabilities. As an electrically controlled valve, solenoids utilize magnetic fields to open and close orifices. As such, they serve a large variety of applications such as vacuums, irrigation systems, car washes, heating systems, compressed air systems, and much more. Due to their wide use for the transportation of clean liquids and gases, understanding their functionality and types can be useful for procuring parts and maintenance endeavors.


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Machine technology is some of the most fundamental building blocks and least complex components that can lead the way into new innovations. The most basic machine mechanisms that have enabled this include such parts as the lever, inclined plane, wedge, pulley, wheel & axle, and the screw. These items are vital to machinery and mechanisms, from manufacturing equipment to aircraft gears and pulleys. Every simple machine has both an ideal mechanical advantage, and an actual mechanical advantage that affects the physics of the machine. The ideal mechanical preferred position is found when utilizing estimations dependent on the development of the basic machine. For a detailed look at how these mechanisms affect and alter pulleys, read the article below.


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Some people may automatically associate airplane cables with being a kind of wire rope that is used for the airplane sector. Though they can certainly be applied for that and more including flexible seat back controls to controlling the development of the wing folds and setting down rigging on planes with simple flight frameworks, the airplane wire cables can be implemented as particular high quality wire rope that is intended to withstand the extraordinary ecological conditions found on a flying vessel, such conditions can incorporate solid and hot temperatures such as dampness. For more details on aircraft cables, read the article below.


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Pins are fasteners that allow for objects and materials to be secured together, and they may serve for a variety of assemblies and applications. From rigid materials that are inserted into a slot to flexible components arranged in parallel, clamping prongs, pins come in many shapes and forms to suit particular needs. When shopping for such fasteners, you may have come across those that are considered “military fastener pins”. While these components may seem similar in their design and use, they differ in their capabilities and ratings. In this blog, we will discuss what military-spec components are, as well as the various military fastener pins that are commonly used.


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A filter can refer to many different items as filters are often used to channel certain substances or contaminants out of a circuit, flow, or pathway. In the same light, a filter can also refer to an electrical filter that can limit certain frequencies. In this article, we will take a look at this type of filter.To elaborate on what this filter is and what it can do, a filter is a circuit that is able to enhance or relay passing certain frequencies while limiting frequencies of other variations. Along these lines, a channel can remove significant frequencies from signals that additionally contain insignificant frequencies or other types of frequencies that are not needed.


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With the constant advancement of aviation technology, avionics, and other components, an increasing number of aircraft systems and mechanical functions are becoming more reliant on electronics. Solenoids and relays are two components that may fulfill these needs, as solenoids serve for the electromechanical interface while relays switch the electronic loads for many aircraft systems and devices. As both of these components are used in many modern aircraft, it is important to understand how relays and solenoids work, how they may save aircraft power, and how they provide functionality for various aircraft systems.

In their most basic form, solenoids are components that produce a magnetic field through a wound coil as electric current is inducted through them. Through this magnetic field, the solenoid effectively converts energy into linear motion. Often, solenoids are used as an actuator for a pneumatic or hydraulic valve, or as an electrical switch. As a switch, the solenoid may serve the starter of a vehicle, such as an automobile starter solenoid.


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Within applications such as construction or assembly, riggers and rigging equipment are some of the most indispensable parts of the operation. Utilizing a range of equipment, riggers can safely move bulky and heavy items around a site, as well as up and down floors as needed. Rigging gear parts include equipment such as eye bolts, rings, lifting & rigging hooks, ropes, slings, pulleys, and blocks. As they all take on an important role in transporting objects in a secure and precise way, understanding the functions that various parts play is important. In this blog, we will provide a brief overview of the common rigging gear parts that are utilized across a variety of industries.


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Within the cockpit of an aircraft, there are many instruments and tools that help a pilot maintain safe and efficient flight. From knowing the current altitude to being aware of how much remaining fuel is left, understanding the complete state of the aircraft at all times is crucial. The airspeed indicator is an extremely useful instrument to measure speed. In this blog, we will discuss the airspeed indicator and how it is able to provide the pilot accurate speed readings during flight.


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The complex nature of sophisticated marine electronics means you will likely run into confusion whether you’re a seasoned boater or a young novice. Before figuring out what you should have on your boat, it’s important to know the items available to you. The seven basic electronics all boats need are an AIS, chartplotter, EPIRB and PLB units, fishfinder, MFD, radar, and VHF radio.


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Ships, submarines and other marine vessels are able to propel themselves using propulsion forces. There are a wide variety of marine propulsion systems that are available for private, military and commercial use. Below you can see a basic outline of the systems that are popular in the market.


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