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Microtecnica
Microtecnica S.r.l. is a main Italian aircraft component company (hydraulics), now owned by UTC of America. History The company was founded in 1929. It supplies equipment for helicopters and regional jet aircraft, such as the AgustaWestland AW101, the NHIndustries NH90 and Agusta A129 Mangusta. It supplied hydraulic actuation systems for the Panavia Tornado, such as the air intake control system, which it designed with Hawker Siddeley Dynamics, and the auxiliary power unit. Ownership In April 2011 the company was bought for 330 million euros. Products * Flight control actuation hydraulic systems * Aircraft environmental control system In aeronautics, an environmental control system (ECS) of an aircraft is an essential component which provides air supply, thermal control and cabin pressurization for the crew and passengers. Additional functions include the cooling of avionic ...s References {{United Technologies Aircraft component manufacturers of Italy Electrical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Società A Responsabilità Limitata
''Società a responsabilità limitata'' (S.r.l. or srl) is a kind of legal corporate entity in Italy, which literally means (but is not entirely equal to) limited liability company. It has a similar form to ''società sportiva dilettantistica a responsabilità limitata'' (S.s.d a r.l.) for amateur sports-related companies and their corresponding regulations: article 90 of the Italian Law №289 of 2002. Differing from ''società per azioni'' (S.p.A.), S.r.l. may not issue shares that have par value, but only the quota ( it, quote) or units of the share capital. Moreover, the articles of association of S.r.l. allowed different allocations of profits and assets, which was more comparable to a limited partnership. A fourth form of corporate entity, "''società cooperativa a responsabilità limitata''" (S.c.r.l. or S.c. a r.l.), was seen in the cooperatives of Italy. References {{DEFAULTSORT:Societa a Responsabilità Limitata Legal entities Types of business entity ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hawker Siddeley Dynamics
Hawker or Hawkers may refer to: Places *Hawker, Australian Capital Territory, a suburb of Canberra *Hawker, South Australia, a town *Division of Hawker, an Electoral Division in South Australia *Hawker Island, Princess Elizabeth Land, Antarctica *Hawker Creek, Missouri, United States In business * Hawker (trade), a vendor of food or merchandise * Hawker Aircraft, a British aircraft manufacturer * Hawkers (company), a Spanish sunglasses company Other uses * Hawker (surname) * One who practices falconry, hunting with hawks * Hawker College Hawker College is a senior secondary college in the Australian Capital Territory. It caters to students completing their final two years of secondary education, and offers a wide range of curriculum choices. Established in 1976, Hawker has a non ..., a senior secondary college in the Australian Capital Territory * Hawker (dragonfly), a family of dragonflies in North America and Europe {{DEFAULTSORT:Hawker ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Engineering Companies Of Italy
Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others. The presence of an electric charge, which can be either positive or negative, produces an electric field. The movement of electric charges is an electric current and produces a magnetic field. When a charge is placed in a location with a non-zero electric field, a force will act on it. The magnitude of this force is given by Coulomb's law. If the charge moves, the electric field would be doing work on the electric charge. Thus we can speak of electric potential at a certain point in space, which is equal to the work done by an external agent in carrying a unit of positiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aircraft Component Manufacturers Of Italy
An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. Common examples of aircraft include airplanes, helicopters, airships (including blimps), gliders, paramotors, and hot air balloons. The human activity that surrounds aircraft is called ''aviation''. The science of aviation, including designing and building aircraft, is called ''aeronautics.'' Crewed aircraft are flown by an onboard pilot, but unmanned aerial vehicles may be remotely controlled or self-controlled by onboard computers. Aircraft may be classified by different criteria, such as lift type, aircraft propulsion, usage and others. History Flying model craft and stories of manned flight go back many centuries; however, the first manned ascent — and safe descent — in modern times took place by larger hot-air ball ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Environmental Control System
In aeronautics, an environmental control system (ECS) of an aircraft is an essential component which provides air supply, Air conditioning, thermal control and cabin pressurization for the Aircrew, crew and passengers. Additional functions include the Thermal management (electronics), cooling of avionics, smoke detection, and Fire suppression system, fire suppression. Overview The systems described below are specific to current production Boeing Commercial Airplanes, Boeing airliners, although the details are essentially identical for passenger jets from Airbus and other companies. An exception was Concorde which had a supplementary air supply system fitted due to the higher altitudes at which it flew, and also the slightly higher cabin pressure it employed. Air supply On jetliners, air is supplied to the ECS by being bleed air, bled from a Gas compressor, compressor stage of each gas turbine engine, upstream of the combustor. The temperature and pressure of this bleed air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Actuator
An actuator is a component of a machine that is responsible for moving and controlling a mechanism or system, for example by opening a valve. In simple terms, it is a "mover". An actuator requires a control device (controlled by control signal) and a source of energy. The control signal is relatively low energy and may be electric voltage or current, pneumatic, or hydraulic fluid pressure, or even human power. Its main energy source may be an electric current, hydraulic pressure, or pneumatic pressure. The Control device is usually a valve. When it receives a control signal, an actuator responds by converting the source's energy into mechanical motion. In the ''electric'', ''hydraulic'', and ''pneumatic'' sense, it is a form of automation or automatic control. History The history of the pneumatic actuation system and the hydraulic actuation system dates to around the time of World War II (1938). It was first created by Xhiter Anckeleman who used his knowledge of engines and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aircraft Flight Control System
A conventional Fixed-wing aircraft, fixed-wing aircraft flight control system consists of flight control surfaces, the respective cockpit controls, connecting linkages, and the necessary operating mechanisms to control an aircraft's direction in flight. Aircraft engine controls are also considered as flight controls as they change speed. The fundamentals of aircraft controls are explained in flight dynamics (fixed-wing aircraft), flight dynamics. This article centers on the operating mechanisms of the flight controls. The basic system in use on aircraft first appeared in a readily recognizable form as early as April 1908, on Louis Blériot's Blériot VIII pioneer-era monoplane design. Cockpit controls Primary controls Generally, the primary cockpit flight controls are arranged as follows:Langewiesche, WolfgangStick and Rudder: An Explanation of the Art of Flying McGraw-Hill Professional, 1990, , . * a Yoke (aircraft), control yoke (also known as a control column), centre s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auxiliary Power Unit
An auxiliary power unit (APU) is a device on a vehicle that provides energy for functions other than propulsion. They are commonly found on large aircraft and naval ships as well as some large land vehicles. Aircraft APUs generally produce 115 V AC voltage at 400 Hz (rather than 50/60 Hz in mains supply), to run the electrical systems of the aircraft; others can produce 28 V DC voltage. APUs can provide power through single or three-phase systems. Transport aircraft History During World War I, the British Coastal class blimps, one of several types of airship operated by the Royal Navy, carried a ABC auxiliary engine. These powered a generator for the craft's radio transmitter and, in an emergency, could power an auxiliary air blower. One of the first military fixed-wing aircraft to use an APU was the British, World War 1, Supermarine Nighthawk, an anti-Zeppelin night fighter.Andrews and Morgan 1987, p. 21. During World War II, a number of large Ameri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Components Of Jet Engines
This article briefly describes the components and systems found in jet engines. Major components Major components of a turbojet including references to turbofans, turboprops and turboshafts: *Cold section: **Air intake (inlet) — For subsonic aircraft, the inlet is a duct which is required to ensure smooth airflow into the engine despite air approaching the inlet from directions other than straight ahead. This occurs on the ground from cross winds and in flight with aircraft pitch and yaw motions. The duct length is minimised to reduce drag and weight. Air enters the compressor at about half the speed of sound so at flight speeds lower than this the flow will accelerate along the inlet and at higher flight speeds it will slow down. Thus the internal profile of the inlet has to accommodate both accelerating and diffusing flow without undue losses. For supersonic aircraft, the inlet has features such as cones and ramps to produce the most efficient series of shockwaves which fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aircraft Part
An aircraft part is an article or component approved for installation on a type-certificated aircraft. Approval for these parts is derived from the jurisdictions of the countries that an aircraft is based. In the United States, the Federal Aviation Administration oversees the approval for these parts under Federal Aviation Regulation Part 21. Manufacture of parts Production Certificate A production certificate holder may produce parts from the type design that is associated with the production approval. Parts manufactured under a Production Certificate are considered to be "approved parts." Parts Manufacture Approval A Parts Manufacturer Approval, or PMA, is one way to obtain approval to produce replacement or modification parts for installation on a type-certificated product. Such parts are considered to be "approved parts." Technical Standard Order Authorization Parts and assemblies may be produced under a Technical Standard Order Authorization (TSOA). Such parts are con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Panavia Tornado
The Panavia Tornado is a family of twin-engine, variable-sweep wing multirole combat aircraft, jointly developed and manufactured by Italy, the United Kingdom and West Germany. There are three primary Tornado variants: the Tornado IDS (interdictor/strike) fighter-bomber, the suppression of enemy air defences Tornado ECR (electronic combat/reconnaissance) and the Tornado ADV (air defence variant) interceptor aircraft. The Tornado was developed and built by Panavia Aircraft GmbH, a tri-national consortium consisting of British Aerospace (previously British Aircraft Corporation), MBB of West Germany, and Aeritalia of Italy. It first flew on 14 August 1974 and was introduced into service in 1979–1980. Due to its multirole design, it was able to replace several different fleets of aircraft in the adopting air forces. The Royal Saudi Air Force (RSAF) became the only export operator of the Tornado in addition to the three original partner nations. A tri-nation training and ev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agusta A129 Mangusta
The Agusta A129 Mangusta ( en, Mongoose) is an attack helicopter originally designed and produced by Italian company Agusta. It is the first attack helicopter to be designed and produced wholly in Europe. It has continued to be developed by AgustaWestland, the successor company to Agusta. It has been exclusively operated by the Italian Army, which introduced the type to service during 1990. The A129 has undergone several combat deployments, seeing use in Somalia, Afghanistan, and Iraq. It has proven well suited to operating in hot climates, as well as quite flexible in the field. The original 60 rotorcraft have been upgraded multiple times since entering service with the Italian Army; improvements have included compatibility with additional munitions, new targeting systems, improved avionics, better data-handling, and a more powerful transmission. Various improvements and export models have been proposed, including dedicated naval and reconnaissance variants. Perhaps the most n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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