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Type of airfoil
A proprotor is a spinning airfoil that functions as both an airplane-style propeller and a helicopter-style rotor. Several proprotor-equipped convertiplanes
Proprotor
Aircraft type
and propulsion by way of one or more powered rotors (sometimes called proprotors) mounted on rotating shafts or nacelles usually at the ends of a fixed
Tiltrotor
Powered lift aircraft using rotors for both vertical and horizontal flight
method of obtaining lift.[citation needed] Most convertiplanes are of the proprotor type, in which the same spinning blades are used as rotor blades for vertical
Convertiplane
Aircraft takeoff and landing class
world's first production tiltrotor aircraft. It has one three-bladed proprotor, turboprop engine, and transmission nacelle mounted on each wingtip. The
V/STOL
Military transport tiltrotor
so that one engine can power both proprotors if an engine failure occurs. Either engine can power both proprotors through the wing driveshaft. However
Bell–Boeing_V-22_Osprey
Twin-engine tiltrotor VTOL aircraft
Both of the engine and proprotor pairs are mounted on a load-bearing rotatable pylon at the wing's ends, allowing the proprotors to be positioned at various
Leonardo_AW609
Airbreathing jet engine which is typically used in aircraft
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Turbojet
American tiltrotor VTOL aircraft
at the end of the month, attaining 140 knots (160 mph; 260 km/h) with proprotors 60-degrees forward. It reached 190 knots (220 mph; 350 km/h) in cruise
Bell_MV-75_Cheyenne_II
Aircraft propulsion component
the rotorwing into a functional propeller — sometimes referred to as a proprotor. Propeller engines are typically only capable of subsonic airspeeds, generally
Propeller_(aeronautics)
Gas turbine used to spin a shaft
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Turboshaft
Turbojet engine component
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Afterburner
25-500-kW internal combustion engine, typically Brayton cycle-type
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Microturbine
Turbine engine driving an aircraft propeller
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Turboprop
Engine where combustion is pulsed instead of continuous
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Pulsejet
Supersonic atmospheric jet engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Ramjet
Type of rocket engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Rotating_detonation_engine
VTOL capable fixed-wing aircraft
reduce tip losses. The powered rotors of a tiltrotor (sometimes called proprotor) are mounted on rotating shafts or nacelles at the end of a fixed wing
Powered_lift
Type of aviation fuel
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Jet_fuel
Type of engine issue in aviation
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Flameout
Jet engine where combustion takes place in supersonic airflow
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Scramjet
Aircraft engine that produces thrust by emitting a jet of gas
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Jet_engine
Gas turbine phenomenon
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Compressor_stall
Aircraft propulsion system efficient at a range of speeds higher and lower than sound's
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Variable_cycle_engine
Temporary diversion of an aircraft engine's thrust
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Thrust_reversal
Computer used for engine control in aerospace engineering
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
FADEC
Type of jet engine with no moving parts
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Gluhareff_Pressure_Jet
Shock-induced combustion ramjet engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Shcramjet
Machine for continuous flow gas compression
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Axial_compressor
Type of rocket engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Aerospike_engine
Power source for starting large engines
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Air-start_system
Engine component
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Gas turbine engine compressors
Gas_turbine_engine_compressors
Sub-class of turbomachinery
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Centrifugal_compressor
American experimental aircraft
tailsitter, with its name suggesting that the wing remains aligned into the proprotor wash during transition between vertical and forward, reducing download
VTOL_X-Plane
Engine part
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Flame_holder
Propeller with blades that can be rotated to control their pitch while in use
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Variable-pitch propeller (aeronautics)
Variable-pitch_propeller_(aeronautics)
Type of gearbox used on jet engines
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Constant-speed_drive
Jet nozzle at the tip of some helicopter rotor blades
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Tip_jet
Aircraft cockpit with electronic displays
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Glass_cockpit
Single-engine light helicopter
2026. Hitchens, Frank (2024). Rotorcraft: Helicopters, Gyrocopters, and Proprotors. Andrews UK Limited. p. 101-102. ISBN 9781837915231. Retrieved April 17
Eurocopter_EC130
Piston engine starting system
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Coffman_engine_starter
Aerofoil; individual component of a turbine disc
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Turbine_blade
Two-propeller design for improving low-airspeed maneuverability
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Contra-rotating_propellers
Simplest known jet propulsion device
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Valveless_pulsejet
Aircraft gas turbine function
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Bleed_air
Part of a jet engine where fuel is burned
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Combustor
Utility helicopter family by Mil
rotorcraft Hitchens, Frank (2024). Rotorcraft: Helicopters, Gyrocopters, and Proprotors. Andrews UK Limited. p. 163-164. ISBN 9781837915231. Retrieved 13 April
Mil_Mi-2
flights. Air Force investigators identified a cracked pinion gear in the proprotor gearbox and the pilot's decision to continue the flight as causes for
List of accidents and incidents involving military aircraft (2020–present)
List_of_accidents_and_incidents_involving_military_aircraft_(2020–present)
Nozzle that converts the internal energy of a working gas into propulsive force
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Propelling_nozzle
Turbomachinery concept
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Precooled_jet_engine
Twin-engine tiltrotor aircraft demonstrator
conventional rotorcraft. The engines stay in a fixed position while the proprotors swivels independently, powered by a split gearbox. During 1998, the European
Leonardo Next-Generation Civil Tiltrotor
Leonardo_Next-Generation_Civil_Tiltrotor
Non-airbreathing engine used to propel a missile or vehicle
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Rocket_engine
Robust aircraft electronic recording device
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Flight_recorder
Avionics system developed by Airbus
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Electronic centralised aircraft monitor
Electronic_centralised_aircraft_monitor
Turboshaft with power from independent exhaust
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Free-turbine_turboshaft
Type of aircraft engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Propfan
Display system in an aircraft's cockpit which displays flight information electronically
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Electronic flight instrument system
Electronic_flight_instrument_system
Mechanical device
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Propeller speed reduction unit
Propeller_speed_reduction_unit
Chronological list of advancements
aircraft which uses a pair or more of powered rotors (sometimes called proprotors) mounted on rotating shafts or nacelles at the end of a fixed wing for
Timeline of United States inventions (1890–1945)
Timeline_of_United_States_inventions_(1890–1945)
Aircraft with multiple sets of wings
into the VTOL arena, as a quadrotor convertiplane, with large tilting proprotors mounted on each wing tip. It proved overly complex and unreliable for
Tandem_wing
Alternative vehicle power source
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Auxiliary_power_unit
Brief description of components needed for jet engines
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Components_of_jet_engines
Airbreathing jet engine designed to provide thrust by driving a fan
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Turbofan
Engine fuel systems in aircraft
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Aircraft_fuel_system
Gas turbine gearbox
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Accessory_drive
Manual control of the thrust of an aircraft's engines from the cockpit
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Thrust_lever
Roadable aircraft
testing;" the drive train borrows gears from the CH-53E helicopter, but the proprotors, ducts, and other parts are all unique and brand new. The demonstrator
Aerial Reconfigurable Embedded System
Aerial_Reconfigurable_Embedded_System
Medium to transfer power in hydraulic machinery
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Hydraulic_fluid
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Aircraft_engine_starting
System that allows a pilot to control thrust without manually setting fuel flow
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Autothrottle
In-flight visual impairment by pilots
aircraft, which was deployed for combat in Iraq in September 2007. The high proprotor disk loading creates a high-velocity downwash, which stirs up the dust
Brownout_(aeronautics)
Single person aircraft
aerodynamic performance. Conducted sub-scale testing of low tip-speed proprotors to achieve NASA’s goal of reducing noise production to one-tenth of a
NASA_Puffin
Proportion of ducted compared to combusted air in a turbofan engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Bypass_ratio
Type of aircraft propeller
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Scimitar_propeller
Type of alert system on aircraft
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Engine-indicating and crew-alerting system
Engine-indicating_and_crew-alerting_system
Topics referred to by the same term
HMPAC Puffin, man-powered aircraft NASA Puffin, proposed single-seat proprotor Parnall Puffin, experimental amphibious fighter-reconnaissance biplane
Puffin_(disambiguation)
Leishman, J. G., Ananthan, S., 'Aerodynamic Optimization of a Coaxial Proprotor', Proceedings of the 62nd Annual National Forum of the American Helicopter
Baldwin_Mono_Tiltrotor
High-lift device on some aircraft wings
endurance of a winged plane. On the ground, it sits on its tail. Twin proprotors mounted on the wings enable vertical takeoff, landing, and hover. Airborne
Blown_flap
crash was determined to be pilot error, with the CV-22 flying through the proprotor wash of another aircraft. The USAF restarted formation flight training
Accidents and incidents involving the V-22 Osprey
Accidents_and_incidents_involving_the_V-22_Osprey
Total pressure ratio across a jet engine
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Engine_pressure_ratio
Angle of a blade in a fluid
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Blade_pitch
Propellers that rotate on opposite directions
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Counter-rotating_propellers
Group of lights as a status indicator
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Annunciator_panel
Engine feature
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Autofeather
British engineer
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Geoff_Wilde
300 kW) Pratt & Whitney Canada PT6-67F turboshaft from the drives wingtip proprotors via gearboxes and shafts, with collective and a 40 hp (30 kW) electric
Transcend_Air_Vy_400
Autofeather Blade pitch Constant-speed Contra-rotating Counter-rotating Proprotor Scimitar Variable-pitch Engine instruments Annunciator panel Electronic
Takeoff Acceleration Monitoring System
Takeoff_Acceleration_Monitoring_System
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