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Tail rotor

Index Tail rotor

The tail rotor is a smaller rotor mounted so that it rotates vertically or near-vertically at the end of the tail of a traditional single-rotor helicopter. [1]

44 relations: Airbus Helicopters, Airfoil, Aluminium, Anton Flettner, Autogyro, Autorotation, Bell Boeing V-22 Osprey, Boeing CH-47 Chinook, Carbon fiber reinforced polymer, Coandă effect, Coaxial rotors, Cockpit, Composite material, Ducted fan, Fairey Rotodyne, Federal Aviation Administration, Fenestron, Flettner Fl 282, Fluorescent penetrant inspection, Fly-by-wire, Foreign object damage, Gyrodyne, Helicopter, Helicopter rotor, Intermeshing rotors, Kaman HH-43 Huskie, Kaman K-MAX, Kamov Ka-50, Loss of tail-rotor effectiveness, McDonnell Douglas, NHI H-3 Kolibrie, NOTAR, Piasecki X-49, Revolutions per minute, Sikorsky X2, Sprag clutch, Tailstrike, Tandem rotors, Tiltrotor, Tip jet, Torque, Transverse rotors, Vertical stabilizer, Wingtip vortices.

Airbus Helicopters

Airbus Helicopters SAS (formerly Eurocopter Group) is the helicopter manufacturing division of Airbus.

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Airfoil

An airfoil (American English) or aerofoil (British English) is the shape of a wing, blade (of a propeller, rotor, or turbine), or sail (as seen in cross-section).

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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Anton Flettner

Anton Flettner (November 1, 1885 – December 29, 1961) was a German aviation engineer and inventor.

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Autogyro

An autogyro (from Greek αὐτός and γύρος, "self-turning"), also known as a gyroplane or gyrocopter, is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift.

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Autorotation

Autorotation is a state of flight in which the main rotor system of a helicopter or similar aircraft turns by the action of air moving up through the rotor, as with an autogyro, rather than engine power driving the rotor.

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Bell Boeing V-22 Osprey

The Bell Boeing V-22 Osprey is an American multi-mission, tiltrotor military aircraft with both vertical takeoff and landing (VTOL), and short takeoff and landing (STOL) capabilities.

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Boeing CH-47 Chinook

The Boeing CH-47 Chinook is an American twin-engine, tandem-rotor, heavy-lift helicopter developed by American rotorcraft company Vertol and manufactured by Boeing Vertol (later known as Boeing Rotorcraft Systems).

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Carbon fiber reinforced polymer

Carbon fiber reinforced polymer, carbon fiber reinforced plastic or carbon fiber reinforced thermoplastic (CFRP, CRP, CFRTP or often simply carbon fiber, carbon composite or even carbon), is an extremely strong and light fiber-reinforced plastic which contains carbon fibers.

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Coandă effect

The Coandă effect is the tendency of a fluid jet to stay attached to a convex surface.

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Coaxial rotors

Coaxial rotors or "coax rotors" are a pair of helicopter rotors mounted one above the other on concentric shafts, with the same axis of rotation, but turning in opposite directions (contra-rotation).

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Cockpit

A cockpit or flight deck is the area, usually near the front of an aircraft or spacecraft, from which a pilot controls the aircraft.

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Composite material

A composite material (also called a composition material or shortened to composite, which is the common name) is a material made from two or more constituent materials with significantly different physical or chemical properties that, when combined, produce a material with characteristics different from the individual components.

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Ducted fan

A ducted fan is a propulsion arrangement whereby a mechanical fan, which is a type of propeller, is mounted within a cylindrical shroud or duct.

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Fairey Rotodyne

The Fairey Rotodyne was a 1950s British compound gyroplane designed and built by Fairey Aviation and intended for commercial and military applications.

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Federal Aviation Administration

The Federal Aviation Administration (FAA) of the United States is a national authority with powers to regulate all aspects of civil aviation.

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Fenestron

A Fenestron (sometimes alternatively referred to as a fantail or a "fan-in-fin" arrangementLeishman 2006, p. 321.) is a protected tail rotor of a helicopter operating like a ducted fan.

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Flettner Fl 282

The Flettner Fl 282 Kolibri ("Hummingbird") is a single-seat intermeshing rotor helicopter, or synchropter, produced by Anton Flettner of Germany.

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Fluorescent penetrant inspection

Fluorescent penetrant inspection (FPI) is a type of dye penetrant inspection in which a fluorescent dye is applied to the surface of a non-porous material in order to detect defects that may compromise the integrity or quality of the part in question.

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Fly-by-wire

Fly-by-wire (FBW) is a system that replaces the conventional manual flight controls of an aircraft with an electronic interface.

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Foreign object damage

In aviation, foreign object debris (FOD) is any article or substance, alien to an aircraft or system, which could potentially cause damage.

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Gyrodyne

A gyrodyne is a type of VTOL aircraft with a helicopter rotor-like system that is driven by its engine for takeoff and landing and also includes one or more conventional propellers to provide forward thrust during cruising flight.

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Helicopter

A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors.

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Helicopter rotor

A helicopter main rotor or rotor system is the combination of several rotary wings (rotor blades) and a control system that generates the aerodynamic lift force that supports the weight of the helicopter, and the thrust that counteracts aerodynamic drag in forward flight.

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Intermeshing rotors

Intermeshing rotors on a helicopter are a set of two rotors turning in opposite directions, with each rotor mast mounted with a slight angle to the other, in a transversely symmetrical manner, so that the blades intermesh without colliding.

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Kaman HH-43 Huskie

The Kaman HH-43 Huskie was a helicopter with intermeshing rotors used by the United States Air Force, the United States Navy and the United States Marine Corps from the 1950s until the 1970s.

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Kaman K-MAX

The Kaman K-MAX (company designation K-1200) is an American helicopter with intermeshing rotors (synchropter) by Kaman Aircraft.

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Kamov Ka-50

The Kamov Ka-50 "Black Shark" (translit, NATO reporting name: Hokum A) is a single-seat Russian attack helicopter with the distinctive coaxial rotor system of the Kamov design bureau.

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Loss of tail-rotor effectiveness

Loss of tail-rotor effectiveness (LTE) occurs when the tail rotor of a helicopter is exposed to wind forces that prevent it from carrying out its function—that of cancelling the torque of the engine and transmission.

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McDonnell Douglas

McDonnell Douglas was a major American aerospace manufacturing corporation and defense contractor formed by the merger of McDonnell Aircraft and the Douglas Aircraft Company in 1967.

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NHI H-3 Kolibrie

The NHI H-3 Kolibrie (Dutch for "Hummingbird") was a small helicopter developed in the Netherlands in the 1950s by Nederlandse Helikopter Industrie.

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NOTAR

NOTAR (no tail rotor) is a helicopter system which avoids the use of a tail rotor.

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Piasecki X-49

The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter under development by Piasecki Aircraft.

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Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.

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Sikorsky X2

The Sikorsky X2 is an experimental high-speed compound helicopter with coaxial rotors developed by Sikorsky Aircraft.

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Sprag clutch

A sprag clutch is a one-way freewheel clutch.

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Tailstrike

In aviation, a tailstrike is an event in which the empennage of an aircraft strikes the runway.

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Tandem rotors

Tandem rotor helicopters have two large horizontal rotor assemblies mounted one in front of the other.

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Tiltrotor

A tiltrotor is an aircraft which generates lift and propulsion by way of one or more powered rotors (sometimes called proprotors) mounted on rotating engine pods or nacelles usually at the ends of a fixed wing or an engine mounted in the fuselage with drive shafts transferring power to rotor assemblies mounted on the wingtips.

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Tip jet

A tip jet refers to the jet nozzles at the tip of some helicopter rotor blades, to spin the rotor, much like a Catherine wheel firework.

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Torque

Torque, moment, or moment of force is rotational force.

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Transverse rotors

Transverse rotor rotorcraft have two large horizontal rotor assemblies mounted side by side.

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Vertical stabilizer

The vertical stabilizers, vertical stabilisers, or fins, of aircraft, missiles or bombs are typically found on the aft end of the fuselage or body, and are intended to reduce aerodynamic side slip and provide direction stability.

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Wingtip vortices

Wingtip vortices are circular patterns of rotating air left behind a wing as it generates lift.

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References

[1] https://en.wikipedia.org/wiki/Tail_rotor

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