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Lisbon, Portugal: Ram Air Turbine (RAT)  is a small propellor that will deploy in a serious emergency to supply emergency backup electrical power to the aircraft. Usually this happens after all main engines and the APU (auxiliary power unit) fail. Behind the two-blade propeller a hydraulic pump can be seen, besides power, the RAT provides emergency hydraulic pressure. The RAT generates power from the airstream by ram pressure due to the speed of the aircraft. It may be also called an air driven generator (ADG) -
Close up view of a propeller on an old air craft
Jet aircraft engine in the hangar
Dusty old aircraft turbofan engine detail of front air intake blades
Fan blades of a plane jet engine
Jet Aircraft Engine
aircraft engines for gas generation
Side view of an old air craft jet engine without its covers
Vintage aeroplane propeller.
Industrial gas turbine. Equipment for energy industry. Gas turbine during repair. Industrial technologies. Gas turbine for compressor station. Repair and maintenance of fuel equipment
Wide angle image of mechanical engineering in Aeronautics. Belonging to a Euro-fighter Typhoon.
Close up of the rear of one of the Rolls Royce engines of an Emirates A380-842 parked behind a tall security fence, near the fire station at Sydney Kingsford-Smith Airport. The lines on the image are the steel bars of the security fence.  The plane, registration A6-EVE, was later towed to the international terminal and departed that evening as flight EK413 to Dubai.  This image was taken from Kyeemagh Avenue, Kyeemagh on a partly cloudy afternoon on 17 March 2023.
Jet Aircraft Engine
View from Bellow of a propeller of an old dismantled plane inside a hangar to study its parts
Rebuilt, aircraft gas turbine engine on stand.
Shot of an airplane turbine on display
Lockheed Constellation Passenger Airliner
Open engine compartment of an airplane at an aviation exhibition. Air transport
Pratt & Whitney J-58 Engine from a SR-71 Blackbird
Metal inside airplane engine industrial
Aircraft jet engine turbine, side view.
iron works blast furnace parts, closeup of photo
Propeller and engine on an old air force airplane
looking into jet engine
One of the engines and propellor of a NSW Ambulance Beech King Air 350C plane, registration VH-8AM, parked at their base at Sydney Kingsford-Smith Airport.  The blurred outline of the photographer, wearing a red shirt, is visible in the reflection, along with the clear sky, tarmac and security fence.  This image was taken from behind the steel security fence on Ross Smith Avenue, Mascot on a hot and sunny afternoon on 30 September 2023.
A propeller-driven, four engine airliner built by Lockheed Corporation in 1943.  The first pressurized cabin civil airliner.
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