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Propeller aircraft cowling
A Townend ring is a narrow-chord cowling ring fitted around the cylinders of an aircraft radial engine to reduce drag and improve cooling. It was patented
Townend_ring
Airborne radio transponder
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Transponder_(aeronautics)
Medium to transfer power in hydraulic machinery
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Hydraulic_fluid
Aircraft controls
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Yoke_(aeronautics)
Instrument used to determine the height of an object above a certain point
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Altimeter
Nautical terms for direction
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Port_and_starboard
German transport aircraft
while the others had different reasons). The three engines had either Townend ring or NACA cowlings to reduce drag from the engine cylinders, although a
Junkers_Ju_52
Part of an aircraft, encasing the engines
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Nacelle
Control surface for fluid-dynamic steering in the yaw axis
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Rudder
Aircraft engine fairing
at 1930s airspeeds, the effect was negligible. NACA airfoil NACA duct Townend ring White, Graham (1995). Allied Aircraft Piston Engines of World War II
NACA_cowling
Small power source installed on aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Ram_air_turbine
American two-seat, high-winged, cabin monoplane
75 built. A Deluxe model was offered beginning in 1936 with optional Townend ring, propeller spinner, wheel pants, navigation lights, and radio. Rearwin
Rearwin_Sportster
Man-machine interface concept for cockpit design
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
HOTAS
Aircraft rudder control interface
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Rudder_pedal
Room from which a pilot controls an aircraft or spacecraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Cockpit
Flight control surface meant to increase drag
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Air_brake_(aeronautics)
Aircraft control surface used to control pitch
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Elevator_(aeronautics)
Aircraft passenger service
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Inflight_Connectivity
Aircraft empennage configuration
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
T-tail
Fully movable aircraft stabilizer
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Stabilator
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Dual_control_(aviation)
Aircraft control surface that combines the functions of both flaps and ailerons
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Flaperon
System for providing oxygen in an aircraft during an emergency
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Emergency_oxygen_system
Structure on an aircraft made to reduce drag
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aircraft_fairing
Polish fighter aircraft
fairings. After numerous changes, most noticeably the addition of a wide Townend ring to the engine, and a higher aspect tail, the second prototype P.7/II
PZL_P.7
Tail section of an aircraft containing stabilisers
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Empennage
Type of aileron
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Deceleron
Instrument used for navigation and orientation
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Compass
Early system for lateral control of a fixed-wing aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Wing_warping
Load-bearing component of a framework
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Longeron
Cover over the engine of motor vehicles or airplanes
directing airflow. Examples in aviation include the NACA cowling and Townend ring. On an airplane, the cowling may also cover part of the fuselage, the
Cowling
Parachute for high speed deployment
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Drogue_parachute
Aerodynamic device
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Krueger_flap
Anti-stall control surface on aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Leading-edge_extension
Main body of an aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Fuselage
Electronic flight control system
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Fly-by-wire
All-weather multirole Soviet biplane
S-13: Polish ambulance version with a closed rear cab and cockpit and Townend ring (53 built in WSK-Okęcie in 1954–1955, 38 converted to S-13). E-23: Research
Polikarpov_Po-2
Type of external fuel tank for aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Conformal_fuel_tank
Fuel container that automatically seals when punctured
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Self-sealing_fuel_tank
Device increasing the lift of the wing at low speed (take-off and landing)
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Leading-edge_slat
Electronic systems used on aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Avionics
Avionics instrument
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Course_deviation_indicator
Aircraft crew escape system
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Escape_crew_capsule
Aircraft undercarriage
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Tricycle_landing_gear
Mechanical device in an aircraft cockpit to warn the pilot of an imminent stall
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Stick_shaker
Panther radial engine, earlier known as the Jaguar Major was enclosed by a Townend ring. The first prototype performed its maiden flight during 1930. Developed
Armstrong_Whitworth_A.W.16
Flight control surface
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Strake_(aeronautics)
Aircraft component
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Vertical_stabilizer
Ice protection system installed on aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Deicing_boot
Type of jet engine air intake
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Diverterless_supersonic_inlet
System to maintain vehicle trajectory in lieu of direct operator command
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Autopilot
Continuously computed dead reckoning
ROVs, missiles, etc.). State-of-the-art strapdown systems are based upon ring laser gyroscopes, fibre optic gyrocopes or hemispherical resonator gyroscopes
Inertial_navigation_system
Aircraft heading flight instrument
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Horizontal situation indicator
Horizontal_situation_indicator
Aircraft component fixed to the end of the wings to improve performance
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Wingtip_device
Emergency throttle setting on military aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
War_emergency_power
Mechanism that locks control surfaces
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Gust_lock
Aircraft configuration in which a small wing is placed in front of the main wing
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Canard_(aeronautics)
Aircraft control
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Side-stick
Component of a large commercial aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aft_pressure_bulkhead
Device to reduce yaw oscillations in aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Yaw_damper
Air intake used on supersonic jet engines
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Intake_ramp
Transparent enclosure over an aircraft cockpit
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aircraft_canopy
Flight instrument which displays the aircraft's orientation relative to Earth's horizon
Reference Systems (AHRS) are able to provide three-axis information based on ring laser gyroscopes, that can be shared with multiple devices in the aircraft
Attitude_indicator
Airplane system
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Autobrake
Structural component designed to resist longitudinal compression
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Strut
Vehicle or machine that can fly by gaining support from the air
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aircraft
Airplane wings capable of changing position to alter their geometry
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Variable-sweep_wing
Aerodynamic device
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Vortex_generator
Aircraft integral fuel tank system
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Wet_wing
Aircraft lights
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Landing_lights
Wing surface area adjuster, typically for shortening take-off and landing
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
High-lift_device
Main structural member of the wing of an aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Spar_(aeronautics)
Computer used for engine control in aerospace engineering
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
FADEC
Avionics component
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Air_data_computer
Anti-stall control surface on aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Leading-edge_slot
Aircraft control surface used to induce roll
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aileron
Aerodynamic device
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Leading-edge_droop_flap
Aircraft tail configuration
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Cruciform_tail
Robust aircraft electronic recording device
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Flight_recorder
Structural element of an aircraft wing
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Rib_(aeronautics)
System that allows a pilot to control thrust without manually setting fuel flow
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Autothrottle
Aircraft cockpit control
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Centre_stick
Temporary diversion of an aircraft engine's thrust
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Thrust_reversal
Surface that allows a pilot to adjust and control an aircraft's flight attitude
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Flight_control_surfaces
Avionics feature on military aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Missile approach warning system
Missile_approach_warning_system
Aerodynamic device
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Stall_strips
Device on aircraft control surface
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Servo_tab
Lift spoilers that can be used as flight control devices
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Spoileron
Emergency aircraft escape system
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Ejection_seat
Small room on an aircraft with a toilet and sink
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aircraft_lavatory
Aircraft cockpit with electronic displays
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Glass_cockpit
Actuator operated electrically
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Electro-hydraulic_actuator
Anti-stalling high-lift device on aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Flap_(aeronautics)
Rear edge of an aerodynamic surface
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Trailing_edge
Part of the wing that contacts the air first
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Leading_edge
Boat or aircraft component
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Trim_tab
Aircraft fabric chemical finish
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Aircraft_dope
Method of slowing an aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Dive_brake
Emergency exits on an aircraft
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Overwing_exit
Aviation instruments
Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire
Pitot–static_system
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TOWNEND RING
TOWNEND RING
TOWNEND RING
TOWNEND RING
TOWNEND RING
TOWNEND RING
TOWNEND RING
TOWNEND RING
TOWNEND RING
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