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Topics referred to by the same term
Look up rotor in Wiktionary, the free dictionary. Rotor may refer to: Rotor (electric), the non-stationary part of an alternator or electric motor, operating
Rotor
Type of rotorcraft
rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and
Helicopter
1950s British air defence radar system
ROTOR was an elaborate air defence radar system built by the British Government in the early 1950s to counter possible attack by Soviet bombers. To get
ROTOR
Machine that converts electrical energy into mechanical energy
the armature on the rotor, but these may be reversed. The rotor is the moving part that delivers the mechanical power. The rotor typically holds conductors
Electric_motor
Aircraft component
On a helicopter, the main rotor or rotor system is the combination of several rotary wings (rotor blades) with a control system, that generates the aerodynamic
Helicopter_rotor
Model of rotating physical systems
In rotordynamics, the rigid rotor is a mechanical model of rotating systems. An arbitrary rigid rotor is a 3-dimensional rigid object, such as a top.
Rigid_rotor
Heavier-than-air aircraft with rotating wings
of several rotor blades mounted on a single mast is referred to as a rotor. Rotorcraft generally include aircraft where one or more rotors provide lift
Rotorcraft
German cipher machine during World War II
plaintext. The rotor mechanism changes the electrical connections between the keys and the lights with each keypress. In essence, the rotor's motion means
Enigma_machine
Ship with Flettner rotors as sails
A rotor ship is a type of ship designed to use the Magnus effect for propulsion. The ship is propelled, at least in part, by large powered vertical rotors
Rotor_ship
Cylindrical, rotating aerodynamic surface
A Flettner rotor is a right circular cylinder with disc end plates which is spun along its long axis. As air passes across it the Magnus effect causes
Flettner_rotor
Non-stationary part of a rotary electric motor
The rotor is a moving component of an electromagnetic system in the electric motor, electric generator, or alternator. Its rotation is due to the interaction
Rotor_(electric)
Combustion engine using an eccentric rotary design
Paschke. The Wankel engine's rotor is similar in shape to a Reuleaux triangle, with the sides having less curvature. The rotor spins inside a figure-eight-like
Wankel_engine
Device that extracts energy from a fluid flow
generator. A turbine is a turbomachine with at least one moving part called a rotor assembly, which is a shaft or drum with blades attached. Moving fluid acts
Turbine
Aircraft type
rotorcraft that generates lift and propulsion by way of one or more powered rotors (sometimes called proprotors) mounted on rotating shafts or nacelles usually
Tiltrotor
Decryption of World War II cipher
Ultra. The Enigma machines were a family of portable cipher machines with rotor scramblers. Good operating procedures, properly enforced, would have made
Cryptanalysis_of_the_Enigma
Helicopter with two horizontal rotor assemblies
A tandem-rotor aircraft is an aircraft with two large helicopter rotor assemblies mounted one in front of the other in the horizontal plane. This configuration
Tandem-rotor_aircraft
Rotating part of the common squirrel-cage induction motor
A squirrel-cage rotor is the rotating part of the common squirrel-cage induction motor. It consists of a cylinder of steel laminations, with aluminum
Squirrel-cage_rotor
Technical details about the Enigma machine
about the rotors of the Enigma machine. Understanding the way the machine encrypts requires taking into account the current position of each rotor, the ring
Enigma_rotor_details
Object in geometric algebra
A rotor is an object in the geometric algebra (also called Clifford algebra) of a vector space that represents a rotation about the origin. More precisely
Rotor_(mathematics)
Rotor mounted on the tail of a helicopter
The tail rotor is a smaller rotor mounted vertically or near-vertically at the tail of a traditional single-rotor helicopter, where it rotates to generate
Tail_rotor
Type of AC electric motor
asynchronous motor is an AC electric motor in which the electric current in the rotor that produces torque is obtained by electromagnetic induction from the magnetic
Induction_motor
Helicopter with two sets of rotor blades placed on top of each other
A coaxial-rotor aircraft is an aircraft whose rotors are mounted on concentric shafts with the same axis of rotation but turn in opposite directions (contra-rotating)
Coaxial-rotor_aircraft
Amusement park ride
The Rotor is an amusement ride designed and patented by German engineer Ernst Hoffmeister in 1948. The ride was first demonstrated at Oktoberfest 1949
Rotor_(ride)
Type of induction motor
A wound-rotor motor, also known as slip ring-rotor motor, is a type of induction motor where the rotor windings are connected through slip rings to external
Wound_rotor_motor
Rotorcraft with unpowered rotor
rotorcraft that uses an unpowered rotor in free autorotation to develop lift. A gyroplane "means a rotorcraft whose rotors are not engine-driven, except for
Autogyro
Rotating aerodynamic rotor or wing
A rotor wing is a lifting rotor or wing which spins to provide aerodynamic lift. In general, a rotor may spin about an axis which is aligned substantially
Rotor_wing
Codebreaking device created at Bletchley Park (United Kingdom)
"fast" rotor advances one position, which causes the encipherment to change. In addition, once per rotation, the right-hand rotor causes the middle rotor to
Bombe
Type of rotorcraft
A transverse-rotor aircraft is an aircraft with two large horizontal rotor assemblies mounted side by side. Single-rotor helicopters (unicopters) need
Transverse-rotor_aircraft
Differential equation in a power system
of the rotor axis and the resultant magnetic field axis is fixed. The angle between the two is known as the power angle, torque angle, or rotor angle.
Swing_equation
1987 film
R.O.T.O.R. (also known as Blue Steel and R.O.T.O.R.: Police Force) is a 1987 American science fiction action film starring Richard Gesswein, Jayne Smith
R.O.T.O.R.
Type of AC motor
for rotors, and electromagnets for stators. The stator creates a magnetic field that rotates in time with the oscillations of the current. The rotor turns
Synchronous_motor
Helicopter with two rotors turning in opposite directions
intermeshing-rotor helicopter (or synchropter) is a helicopter with a set of two main rotors turning in opposite directions, with each rotor mast mounted
Intermeshing-rotor_helicopter
Twin-engine light utility helicopter
2020s with a fenestron replacing the traditional tail rotor, followed later by a 5-blade main rotor head. The H145 is a twin-engine aircraft and can carry
Eurocopter_EC145
Electric motor driven by an AC electrical input
the stator rotating magnetic field and the rotor shaft speed called slip to induce rotor current in the rotor AC winding. As a result, the induction motor
AC_motor
Association football club in Russia
SC Rotor Volgograd (Russian: СK Ротор) is a Russian professional football club from the large city of Volgograd, Volgograd Oblast (formerly Stalingrad)
FC_Rotor_Volgograd
Motor having two rotors
A dual-rotor motor is a motor having two rotors within the same motor housing. This rotor arrangement can increase power volume density, efficiency, and
Dual-rotor_motor
Rotor blade design
The BERP rotor blade design was developed under the British Experimental Rotor Programme. The initial BERP rotor blades were developed in the late 1970s
BERP_rotor
Topics referred to by the same term
rotor can refer to the following kinds of aircraft, all of which have two rotors arranged in various ways: Coaxial-rotor aircraft Intermeshing-rotor helicopter
Twin_rotor
Rotor solidity is a dimensionless quantity used in design and analysis of rotorcraft, propellers and wind turbines. Rotor solidity is a function of the
Rotor_solidity
Filipino-American physicist and mathematician (1913–1998)
Emma Unson Rotor (May 18, 1913 – September 6, 1998) was a Filipino-American physicist and mathematician whose pioneering work during World War II significantly
Emma_Unson_Rotor
Unpowered rotary wing aircraft or kite
rotor kite or gyrokite is an unpowered, rotary-wing aircraft. Like an autogyro or helicopter, it relies on lift created by one or more sets of rotors
Rotor_kite
Class of electromechanical encryption devices, used widely from the 1920s to the 1970s
In cryptography, a rotor machine is an electro-mechanical stream cipher device used for encrypting and decrypting messages. Rotor machines were the cryptographic
Rotor_machine
Indonesia thrash metal band
Rotor is a thrash metal music band from Jakarta that was formed in 1991 and fronted by Irvan Sembiring. This band's name skyrocketed even more after successfully
Rotor_(band)
Referencing standard for commercial aircraft
62 ROTOR(S) -00 General -10 Rotor blades -20 Rotor head(s) -30 Rotor Shaft(s)/Swashplate Assies -40 Indicating 63 ROTOR DRIVE(S) -00 General -10 Engine/Gearbox
ATA_100
Synchronous electric motor powered by an electronic controller
outrunners (the stator is surrounded by the rotor), inrunners (the rotor is surrounded by the stator), or axial (the rotor and stator are flat and parallel). The
Brushless_DC_electric_motor
A blocked rotor test is conducted on an induction motor. It is also known as short-circuit test (because it is the mechanical analogy of a transformer
Blocked_rotor_test
Helicopter design variant
The slowed rotor principle is used in the design of some helicopters. On a conventional helicopter the rotational speed of the rotor is constant; reducing
Slowed_rotor
Heavy transport helicopter
and features three up-rated 7,500 shp (5,590 kW) engines, new composite rotor blades, and a wider aircraft cabin than its predecessors. It is the largest
Sikorsky_CH-53K_King_Stallion
Medical condition
Rotor syndrome (also known as Rotor type hyperbilirubinemia) is a rare cause of mixed direct (conjugated) and indirect (unconjugated) hyperbilirubinemia
Rotor_syndrome
Reciprocating internal combustion engine
geometric size in terms of radius (rotor center to tip distance, also the median stator radius) and depth (rotor thickness), and offset (crank throw
Mazda_Wankel_engine
Device to generate electricity from wind
were on 24-metre (79 ft) towers with four-bladed 23-metre (75 ft) diameter rotors. By 1908, there were 72 wind-driven electric generators operating in the
Wind_turbine
Electric motor
wound rotor induction motors with multiphase winding sets on the rotor and stator, respectively, which were invented by Nikola Tesla in 1888, the rotor winding
Doubly_fed_electric_machine
Instruments used in helicopter flight
flight control system transmit mechanically to the rotor, producing aerodynamic effects on the rotor blades that make the helicopter move in a desired
Helicopter_flight_controls
Jet nozzle at the tip of some helicopter rotor blades
A tip jet is a jet nozzle at the tip of some helicopter rotor blades, used to spin the rotor, much like a Catherine wheel firework. Tip jets replace the
Tip_jet
American aircraft company
Rotor Technologies is an unmanned aerial vehicle company founded by Hector Xu and based in Nashua, New Hampshire. In 2024, the company began producing
Rotor_Technologies
Slang term for the main rotor-retaining nut of some helicopters
The main rotor retaining nut or mast nut, often colloquially referred to as the Jesus nut, holds the main rotor to the mast of some helicopters. The related
Jesus_nut
Device in the ignition system of an internal combustion engine
distributor consists of a rotating arm ('rotor') that is attached to the top of a rotating 'distributor shaft'. The rotor constantly receives high-voltage electricity
Distributor
Potential dangerous event during helicopter flight
"Loss of tail rotor effectiveness" shall not be taken literally. It has been used in the early 1980s by the US Army to designate unanticipated yaw of
Loss of tail-rotor effectiveness
Loss_of_tail-rotor_effectiveness
Proposed four-rotor derivative of the V-22 Osprey
The Bell Boeing Quad TiltRotor (QTR) is a proposed four-rotor derivative of the Bell Boeing V-22 Osprey developed jointly by Bell Helicopter and Boeing
Bell_Boeing_Quad_TiltRotor
Rotation of helicopter rotors by action of wind resistance rather than engine power
in which the main rotor system of a helicopter or other rotary-wing aircraft turns by the action of air moving up through the rotor, as with an autogyro
Autorotation
Mathematical model for a quantum system
quantum rotor model is a mathematical model for a quantum system. It can be visualized as an array of rotating electrons which behave as rigid rotors that
Quantum_rotor_model
American kit helicopter manufacturer
The RotorWay Helicopter Manufacturing Company, formerly called RotorWay International, was a manufacturer of kit helicopters located in Chandler, Arizona
RotorWay
Characteristic of rotors/propellers
relatively low disk loading are typically called rotors, including helicopter main rotors and tail rotors; propellers typically have a higher disk loading
Disk_loading
Rotorcraft with more than two rotors
more than two lift-generating rotors separated horizontally. An advantage of multirotor aircraft is the simpler rotor mechanics required for flight control
Multirotor
Type of aircraft engine
A propfan, also called a propjet, an open rotor engine, or an open fan engine, is an aircraft engine combining features of turbofans and turboprops. It
Propfan
Type of wind turbine that spins along its vertical axis
intention to develop a turbine-type rotor similar to the Flettner rotor, but self-rotating. He experimented with his rotor on various small rowing craft on
Savonius_wind_turbine
Aerodynamic condition related to helicopter flight
that may arise in helicopter flight, when a vortex ring system engulfs the rotor, causing severe loss of lift. Often the term settling with power is used
Vortex_ring_state
Device for measuring or maintaining orientation
rotational freedom. The axle of the spinning wheel (the rotor) defines the spin axis. The rotor is constrained to spin about an axis, which is always perpendicular
Gyroscope
Bladed disk; machine part
disk), also known as an integrally bladed rotor (IBR), is a turbomachinery component consisting of a rotor disk and blades made as a single part instead
Blisk
Transport helicopter series by Sikorsky
adding a third engine, adding a seventh blade to the main rotor, and canting the tail rotor 20°. It was built by Sikorsky Aircraft for the United States
Sikorsky CH-53E Super Stallion
Sikorsky_CH-53E_Super_Stallion
Aircraft using a Flettner rotor
A Flettner airplane is a type of rotor airplane which uses a Flettner rotor to provide lift. The rotor comprises a spinning cylinder with circular end
Flettner_airplane
Helicopter anti-torque system based on a ducted fan
tail rotor it replaces, a Fenestron counteracts the torque generated by the main rotor. However, it differs from a conventional open tail rotor by being
Fenestron
US experimental drone aircraft
Boeing X-50A Dragonfly, formerly known as the Canard Rotor/Wing Demonstrator, was a VTOL rotor wing experimental unmanned aerial vehicle that was developed
Boeing_X-50_Dragonfly
Electromagnet used to generate a magnetic field in an electro-magnetic machine
and a rotor, which rotates within it. The magnetic field lines pass in a continuous loop or magnetic circuit from the stator through the rotor and back
Field_coil
Externally controlled electric motor that runs by reluctance torque
(case) rather than the rotor. This simplifies mechanical design because power does not have to be delivered to the moving rotor, which eliminates the need
Switched_reluctance_motor
Attack helicopter used in United States special operations
five-bladed main rotor. The newest version, the MH-6M, is based on the MD 530F and has a single, six-bladed main rotor and four-bladed tail rotor. The OH-6 was
MD Helicopters MH-6 Little Bird
MD_Helicopters_MH-6_Little_Bird
Branch of applied mechanics dealing with rotating structures
Rotordynamics (or rotor dynamics) is a specialized branch of applied mechanics concerned with the behavior and diagnosis of rotating structures. It is
Rotordynamics
Attitude control device
A CMG consists of a spinning rotor and one or more motorized gimbals that tilt the rotor’s angular momentum. As the rotor tilts, the changing angular momentum
Control_moment_gyroscope
Type of VTOL aircraft
A gyrodyne is a type of VTOL aircraft with a helicopter rotor-like system that needs to be driven by its engine only for takeoff and landing, and includes
Gyrodyne
Filipino doctor (1907–1988)
Arturo Belleza Rotor (June 7, 1907 – April 9, 1988) was a Filipino medical doctor, civil servant, musician, and writer. Rotor was born in the Philippines
Arturo_Rotor
Vehicle or machine that can fly by gaining support from the air
rotorcraft with powered rotors, such as helicopters, turn by adjusting the pitch of the rotor cyclically, so that the rotors on one side produce more
Aircraft
American helicopter model
Due to the specific training required by the low-inertia rotor system and a teetering main rotor, operation of the Robinson R22 or R44 in the US requires
Robinson_R22
Wind turbines of unconventional design
three-bladed upwind horizontal-axis wind turbine (HAWT), where the turbine rotor is at the front of the nacelle and facing the wind upstream of its supporting
Unconventional_wind_turbines
Variable transformers used in control systems
an electric motor. The primary winding of the transformer, fixed to the rotor, is excited by an alternating current, which by electromagnetic induction
Synchro
Device converting mechanical into electrical energy
alternators use a rotating magnetic field with a stationary armature. The rotor coil is externally excited by a small direct current (DC), while the AC
Alternator
Mechanism to control angle of attack of helicopter rotor blades
via the helicopter flight controls into motion of the main rotor blades. Because the main rotor blades are spinning, the swashplate is used to transmit three
Swashplate_(aeronautics)
Family of American light helicopters
single-engined helicopter with a semi-rigid two-bladed main rotor, a two-bladed tail rotor and a skid landing gear. It has an enclosed cabin with two rows
Robinson_R44
Family of utility helicopters
of a nose-mounted radial engine powering a single fully articulated main rotor located above the cabin, which helped maintain a proper center of gravity
Sikorsky_H-19_Chickasaw
Helicopter tail system with no external tail rotor
NOTAR ("no tail rotor") is a helicopter system which avoids the use of a tail rotor. It was developed by McDonnell Douglas Helicopter Systems (through
NOTAR
Mechanism using friction to resist rotation of a circular plate
calipers to squeeze pairs of pads against a disc (sometimes called a [brake] rotor) to create friction. There are two basic types of brake pad friction mechanisms:
Disc_brake
Canceled US helicopter program
attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter with low-mounted
Lockheed_AH-56_Cheyenne
micro R/C helicopter prototypes based on a dual coaxial counter-rotating rotor concept developed and patented by Norwegian Petter Muren. The concept differs
Proxflyer
Type of electric motor
motor that induces non-permanent magnetic poles on the ferromagnetic rotor. The rotor does not have any windings. It generates torque through magnetic reluctance
Reluctance_motor
Type of single-phase motor, typically driving a timepiece
turn in one direction, which depends on the geometry of its stator. The rotor is a permanent magnet. In a clock, a circuit generates the bipolar pulse
Lavet-type_stepping_motor
Type of rotary pump with helical rotor
the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned. This leads to the volumetric flow rate being proportional to
Progressing_cavity_pump
Timekeeping device that is driven by a spring that winds by motion of the wearer
pocket (for a pocketwatch) or on the user's arm (for a wristwatch) cause the rotor to pivot on its staff, which is attached to a ratcheted winding mechanism
Automatic_watch
Pistonless trochoidal rotor engine
derived from "generated rotor." A gerotor unit consists of an inner and an outer rotor. The inner rotor has n teeth, while the outer rotor has n + 1 teeth, with
Gerotor
Method for decrypting German Enigma ciphers
rightmost rotor in the German Enigma by exploiting the different turnover positions. For the Poles, learning the rightmost rotor reduced the rotor-order search
Clock_(cryptography)
1982 helicopter crash in California, US
the helicopter's tail-rotor was still above it, the metal lid on top of the mortar striking the tail-rotor, causing the rotor to fail and detach from
Twilight_Zone_accident
US experimental compound helicopter (hybrid helicopter/fixed-wing aircraft)
an experimental Sikorsky Aircraft compound helicopter developed as the Rotor Systems Research Aircraft (RSRA) for the National Aeronautics and Space
Sikorsky_S-72
ROTOR
ROTOR
ROTOR
ROTOR
Boy/Male
Hindu
Lord Shiva
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Shining
Boy/Male
Tamil
A bow in hand
Girl/Female
Hindu, Indian, Marathi
Creator; Sculpture
Boy/Male
Indian
Of the stars
Boy/Male
Hindu, Indian, Sanskrit
Boyhood
Girl/Female
Australian, British, English, German
Queen of Heaven
Boy/Male
Tamil
Sahaskrit | ஸஹஸà¯à®•à¯à®°à®¿à®¤
Bestowing strength, Power
Boy/Male
Biblical
A roll, a wheel.
Surname or Lastname
English
English : habitational name from any of several places called Barrington. The one in Gloucestershire is named with the Old English personal name Beorn + -ing- denoting association + tÅ«n ‘settlement’. In the Somerset place name the first element is an unattested Old English personal name BÄra, which also occurs, in the genitive form, as the first element of the Cambridgeshire place name.Irish : adopted as an English form of Gaelic Ó Bearáin (see Barnes 3).
ROTOR
ROTOR
ROTOR
ROTOR
ROTOR