Pressure gauges are devices that monitor performance parameters in terms of internal pressure. In a water system or tank, for instance, the water and air that runs through them is pressurized, and a pressure gauge measures the force of the pressure in the water or air to ensure that it is working within the proper parameters. Pressure that is too high or too low can indicate a serious mechanical issue in the device or system, and if left unchecked can cause serious damage.


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Relays are electronic control devices that pair a control system (or input loop) with a controlled system (or output loop). They are typically used in automatic control circuits, with a smaller current to control a larger “automatic switch” of current. Relays are used in the role of automatic adjustment, safety protection, and conversion circuits.


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The term “thermistor” is a combination of the words thermal and resistor. Negative Temperature Coefficient (NTC) thermistors are components within an electric circuit that lose resistance as they come in contact with increasing temperatures. They are widely used as temperature sensors in applications varying from microwaves to computers to the seat heater in your car. Not only do they measure temperature, thermistors also measure liquid levels, making their use in mechanical systems invaluable. What's more, NTC thermistors can operate between -55 to 200 degrees Celsius making them suitable for a variety of environments on an aircraft.


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The modernization of aircraft has seen a correlated increase in the amount of AC power systems providing the vessel its electrical capabilities. Many of these electrical systems operate solely on AC. On the other hand, lighter aircraft tend to function better when using DC systems. The model AC electrical system would be composed of an AC alternator, a system that regulates the aforementioned alternator, as well as fuses and wiring.


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An automatic identification system (AIS) receives information broadcast by other vessels and base stations that are equipped with an AIS transponder and transmits static and dynamic information from its own vessel. The system uses two data-specific channels in VHF to receive and transmit the information. There are various types of data that an AIS is capable of transmitting, these include: MMSI coding, GPS antenna positioning, speed over ground (SOG), course over ground (COG), and more. These transponders are responsible for allowing vessels to see and be seen by other marine vehicles equipped with AIS— they act as a preventative locating tool.


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The first U.S. patent for the o-ring was filed in 1937 by Niels Christensen. During WW2, the US government deemed it as a critical war-related item and therefore transferred the rights to manufacture it to many other organizations. Christensen received a payment because of this, but 20 years after his death, his heirs received another large payment due to litigation. With how important and commonly used o-rings are today, maybe the payments would be even bigger.


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An alternator is an electrical generator that converts energy into electricity in the form of an alternating current (AC).  An automatic drive controls the alternators rational speed allowing for the alternator to maintain a constant output. All AC alternators are required to rotate at a specific speed to keep the frequency of the AC voltage within proper limits. If a frequency strays more than 10 percent from the required value, the electrical system will not work properly. To ensure an alternator always stays within values, a unit called a constant-speed drive is used. This unit always rotates at the correct speed and can be mounted independently or within the alternator housing. This unit is comparable to an automatic transmission found in an automobile; the engine can change but the speed remains constant.  In an aircraft, the hydraulic transmission is mounted between the AC alternator and the engine. Hydraulic oil is used to operate the transmission allowing for a constant output speed and engine rpm drives the hydraulic pump, turning the alternator.


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When you need to lift heavy objects like the engine of a Boeing 747, you’re not doing it with a team of guys, yelling at them to “put their back into it”. You’re doing it with a crane and sling. Choosing the right kind of sling requires understanding of the application. Depending on the details, you’ll have to choose between wire rope, chain, and synthetic slings.


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Air compressors are the most common machine in a number of industries, from aerospace and aviation to construction and manufacturing. And because they’re used to power a lot of different machines like paint guns, pressure washers, and sandblasters, it’s important to know the differences between air compressors and know what kind you need for your project.


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Superchargers are engine-driven air pumps that give the engine additional pressure to the induction air, which results in additional power. Superchargers have the capability to boost manifold pressure above 30 “Hg.


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Engines can be regarded as the most striking and impressive part of an aircraft. The biggest aircraft engine in KLM’s fleet is the General Electric GE90-115B. The engine measures at 3.43 meters in diameters. The engine is the power house for the airlines Boeing 777-300ERs, which is also KLM’s biggest twin-enringed aircraft. The engines can create 115,000 pounds of thrust which according to the Guinness Book of World Records, is the world’s “most powerful commercial jet engine.”


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When learning how to care for your hydraulic accumulator one should always know as much about their product as possible. While accumulators are all about storing and distributing energy that also have functions that can help with shock absorption and many other key features. Your unit should be serviced and tested often to ensure it is running smoothly and effectively.


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The tail rotor on a helicopter is located, as its name states, on the tail of the helicopter. Its’ purpose is to prevent the helicopter from spinning the opposite way of the main rotor blades. Imagine having to ride in a helicopter that is continuously spinning in circles, it would not be an as efficient form of transportation. Passengers would be sick or dizzy, and parts of the aircraft could possibly fall off with only one place to go, the ground. This would result in civilian injuries/deaths, along with a lot of property damage. The tail rotor blades counteract the main rotor blades allowing the helicopter to fly straight and be easily controlled by the pilot, especially during maneuvers. It spins horizontally to compensate for the torque created from the main rotor. The placement of the tail rotor placed away from the center of gravity, on the tail, allows for the most effective results.


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The 21st century has brought the generation of faster more efficient products and services to increase customer satisfaction. Over the years MTU Maintance has displayed their commitment to the industry on the amount of service it provides all over the world. It currently holds facilities in continents such Asia, Europe, and North America. MTU Maintance has been able to complete repairs in over 18,000 shops for service with in the 36 years that the company has begun repairs. Within the span of the repairs it has increased their repair portfolio to over 30 engines that have been repaired and completed for flight once again.


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Boeing has reached yet another mile stone with the approval of yet another Dreamliner known as the 787-10 aircraft. A newer more revolutionized version of their 787-9 model, Boeing continues to innovate. The U.S Federal Aviation Administration FAA has granted Boeings 787-10 model a Amended Type Certificate (ATC) that allows for the aircraft to be airborne.


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Arlington Texas is the home to L3s training and simulation facility currently known as Link. The Link facility is a world renown provider of operator and maintance platforms that specialize in total training solutions. L3 is expanding to upgrade Link’s facility by a mere 40,000 sq ft. The expansion is well under way and is said to be completed by summer 2018. An idea of how large the facility will be, is estimated two times the size of Links headquarters that can be found in New York City. The building will be equipped with a library, classrooms, locker rooms, student amenities and six fully loaded flight simulators. The facility can be referenced minutes away from the Dallas Fort Worth International Airport.


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Precision and work efficiency is something that many companies invest into to be able to produce at their highest potential. When it comes to maintance on aircraft it requires extreme precision and tedious work on solely one aircraft. Completing normal checkups has been under speculation and has been deemed “old fashion” with the incorporation of a lot of newer aircrafts. The term that mro-network.com has used for older types of review is “A, B, C, D checks.” Checks such as these need to be more efficient when it comes to fleets containing various models.


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World renown aerospace company, Boeing, joined hands with leasing company Aviation PLC to celebrate the delivery of Aviation PLC’s first Boeing airplane, which is the 777-300ER. This airplane will be leased to and used by Philippine airlines, the country’s national carrier. This is Philippine Airlines’ tenth 777-300ER.


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Supersonic travels have been under speculation for quite some time, although its costly and dangerous precautions. Rockwell Collins and NASA have teamed up to bring in air supersonic more available to a more common ground. Supersonic travels have been accomplished by military jets used for precise missions; Rockwell planes hope to integrate the supersonic speed into airplanes.


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Alaskan Airlines has been able to come to an agreement with satellite connectivity company Gogo for new innovations. Going forth, Gogo is to renovate Alaskan Airlines fleet with 2ku satellite-based Ku-band in-flight connectivity technology.


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