Aircraft components Aircraft components An Auxiliary Power Unit (APU) is a relatively small self-contained generator used in aircraft to start the main engines, usually with compressed air, and to provide electrical power and air conditioning while the aircraft is on the ground. In many aircraft, the APU can also provide electrical power in the air. ...more on Wikipedia about "Auxiliary power unit"
A bypass duct is an annular passage that allows some of a turbofan's airflow to bypass the engine core, or gas generator. If the turbofan is unmixed, the bypass duct will terminate at the bypass nozzle. In mixed turbofans, the bypass duct leads to the cold chute of a forced mixer or cold mixer of an annular mixer. ...more on Wikipedia about "Bypass duct"
In aeronautics, canard ( French for duck) is a type of fixed-wing aircraft in which the tailplane is ahead of the main lifting surfaces, rather than behind them as in conventional aircraft. The earliest models, such as the Santos-Dumont 14-bis, were seen by observers to resemble a flying duck — hence the name. ...more on Wikipedia about "Canard"
A cockpit was originally a pit used for cockfighting, where owners would pit fighting birds against each other for the purpose of gambling. In the 16th century, it was used to mean a place of entertainment or frenzied activity. William Shakespeare used the term in Henry V to specifically mean the area around the stage of a theater. In 1759, the English artist William Hogarth produced a satirical print called The Cockpit showing the enthusiasm of the gamblers during a cockfight. The word "cockpit" came to be used for any area that was the scene of grisly fighting. Belgium is sometimes known as the "Cockpit of Europe." ...more on Wikipedia about "Cockpit"
Contra-rotating propellers, also referred to as coaxial contrarotating propellers, are a complex way of applying the maximum power of a single piston or turboprop aircraft engine. Contra-rotating propellers are common in some marine transmission systems, in particular for medium to large size planing leisure crafts. Two propellers are arranged one behind the other, and power is transferred from the engine via a planetary gear transmission. The configuration can also be used in helicopter designs, where similar issues and principles of torque apply. ...more on Wikipedia about "Contra-rotating propellers"
A controllable pitch propeller (CPP) or variable pitch propeller is a special type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also create reverse thrust for braking or going backwards without the need of changing the direction of shaft revolutions. ...more on Wikipedia about "Controllable pitch propeller"
Conventional landing gear describes an aircraft landing gear configuration with an undercarriage arrangement consisting of two main wheels and a tail wheel. In early aircraft, a tail skid made of metal or wood was used. In modern aircraft, a small, articulated wheel assembly is attached to the most posterior part of the airframe. The terms taildragger and tailwheel are aviation jargon for conventional gear. ...more on Wikipedia about "Conventional landing gear" There's a bit of shortopedia in all of us. shortopedia
Following three hijackings in 1972, Boeing 727 aircraft were ordered by the Federal Aviation Administration to be fitted with a device known as a Cooper Vane, a mechanical aerodynamic wedge, which prevents the rear stairway from being lowered in flight. The device was named for famed airplane hijacker D. B. Cooper, who used the rear stairway to exit the plane and make his escape via parachute. ...more on Wikipedia about "Cooper Vane"
The cruciform tail is an aircraft empennage configuration that, viewed edge-on, looks much like a cross. In this arrangement, the horizontal stabilizer intersects the vertical tail somewhere near the middle, and above the top of the fuselage. Often this arrangement is chosen to keep the tail out of the engines' slipstream or to avoid complex interference drag. ...more on Wikipedia about "Cruciform tail"
(Droop-nose) The Droop Nose is a recognisable feature of Concorde and the Tu-144. When these aircraft were in service, the pilot would drop the nose so they would have more visibility of the runway and taxiways. When in flight, the nose would be raised. There was also a moving visor that would rise and drop with the nose. ...more on Wikipedia about "Droop-nose"
A drop tank is a external fuel tank carried by aircraft for long-range flights. It is designed to be discarded when empty or in the event of combat or emergency. ...more on Wikipedia about "Drop tank"
A ducted fan is a propulsion arrangement whereby a propeller is mounted within a cylindrical shroud or duct, the duct prevents losses in thrust from the tips of the propeller. Outside of aircraft where it is most common, the ducted fan is most prominently seen in airboats and hovercraft.
...more on Wikipedia about "Ducted fan"
In (mostly military) aircraft, the ejection seat is a system designed to rescue the pilot or other crew in the event of the aircraft becoming unflyable. In most designs, the seat is propelled out of the aircraft by a rocket motor, carrying the pilot with it. The concept of an ejectable escape capsule has also been tried. Once clear of the aircraft, the ejection seat deploys a parachute, and descends safely to earth. ...more on Wikipedia about "Ejector seat"
Empennage is an aviation term used to describe the tail portion of an aircraft. "Empennage" and "tail" may be interchangeably used. ...more on Wikipedia about "Empennage" The article you are reading is from http://www.shortopedia.com shortopedia
A fairing is a structure whose primary function is to produce a smooth outline and to reduce drag. These structures are generally light-weight shapes and covers for gaps and spaces between parts of a vehicle, aircraft or rockets to reduce form drag and improve streamlining. ...more on Wikipedia about "Fairing"
The flight data recorder (FDR) is a flight recorder used to record specific aircraft performance parameters. A separate device is the cockpit voice recorder (CVR), although some recent types combine both in one unit. Popularly known as the black box used for aircraft mishap analysis, the FDR is also used to study air safety issues, material degradation, and jet engine performance. These ICAO regulated "black box" devices are often used as an aid in investigating aircraft mishap, and these devices are typically one of the highest priorities for recovery after a crash, second only to bodies of victims. The device's shroud is usually painted bright orange and is generally located in the tail section of the aircraft. ...more on Wikipedia about "Flight data recorder"
A Flight Recorder is a recorder placed in an aircraft for the purpose of facilitating the investigation of an aircraft accident or incident. For this reason, they are required to be capable of surviving the conditions likely to be encountered in a severe aircraft accident. They are typically specified to withstand an impact of several thousand G and temperatures of over 1,000 °C. In order to facilitate recovery of the recorder from an aircraft accident site they are required to be coloured bright yellow or orange with reflective surfaces. To assist recovery from submerged sites they must be equipped with an underwater locator beacon which is automatically activated in the event of an accident. ...more on Wikipedia about "Flight recorder"
Folding wings are a design feature of most naval aircraft that operate from aircraft carriers. The folding allows the aircraft to occupy less space in a confined hangar because the folded wing normally rises over the fuselage decreasing the floor area of the aircraft. ...more on Wikipedia about "Folding wing"
In an aircraft, the fuselage is the main body section that holds crew and passengers or cargo. The word comes from the French fuselé, meaning spindle-shaped. In single engine aircraft it will usually contain an engine, athough in some amphibious aircraft the single engine is mounted on a pylon attached to the fuselage. The fuselage also serves to position control and stabilization surfaces in specific relationships to lifting . ...more on Wikipedia about "Fuselage"
In aircraft design, high-lift devices are a variety of mechanisms intended to add lift during certain portions of flight. They include common devices such as flaps and slats, as well as less common devices such as leading edge extensions and blown flaps. Generally they are divided into two classes by engineers, powered and unpowered. ...more on Wikipedia about "High-lift device"
Landing gear extenders are devices used on conventional or tailwheel-equipped aircraft. They move the wheels forward of the landing gear leg by 2-3 inches (2.5-5 cm). ...more on Wikipedia about "Landing gear extender" Things Go Better with www.shortopedia.com.
Leading edge cuffs are a fixed aerodynamic device employed on fixed-wing aircraft to modify the airfoil used. They may be either factory-installed or, more commonly, an after-market modification. ...more on Wikipedia about "Leading edge cuff"
Leading edge extensions or LEX (also referred to as leading edge root extensions) are fillets added to the front of a modern fighter aircraft's wings in order to provide usable airflow at high angles of attack. They are typically roughly triangular in shape, running from the leading edge of the wing root to a point near the cockpit along the fuselage. They tend to be fairly small in span, extending out less than a metre. ...more on Wikipedia about "Leading edge extension"
A mass airflow sensor (MAF) determines the mass of air flowing through a conduit. This is generally achieved by using heated wires in the airstream. By knowing the temperature of the air (generally through an intake air temperature sensor) and the resistance in the wire, the MAF can determine how much mass is flowing. ...more on Wikipedia about "Mass airflow sensor"
A propeller is a device which transmits power by converting it into thrust for propulsion of a vehicle such as an airplane, ship, or submarine though a fluid such as water or air, by rotating two or more twisted blades about a central shaft, in a manner analogous to rotating a screw through a solid. However, the blades of a propeller don't push directly on the fluid, but rather act as rotating wings, and produce force via Bernoulli's principle, generating a difference in pressure from the forward and rear surfaces of the airfoil-shaped blades. ...more on Wikipedia about "Propeller" www.shortopedia.com moments. Aircraft_components
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