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Old aircraft, pioneer in the history of aviation
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
Vintage aeroplane propeller.
Complex wirings of rocket engine is possible through advanced engineering
Private jet aircraft in the hangar open for regular maintenance service.
Shot of an airplane turbine on display
Jet Aircraft Engine
The back of a yacht with a water jet engine in the form of a turbine and zinc anodes on the hull to protect against salt water, in dry dock.
Sailboat propellers closeup
Duxford, Cambridgeshire, UK - June 26, 2005: Concorde Supersonic Aircraft, showing detail of tail starboard engine exhaust section. This was an experimental Concorde used by both Britain and France.
Lockheed Constellation Passenger Airliner
Left abandoned outside a hangar to the elements, this huge cargo plane is slowly becoming overgrown with moss and algae, the dirt is streaking down its hull, and the crevices around the engines are being used as nesting sites by birds. \n\nThe plane is monstrous however, 4 gigantic propeller engines - 2 per wing - power what was obviously once a beast of an aircraft, the size easily allowing it to carry troops, supplies, even vehicles in its hold. \n\nNow it stands as a piece of aviation history, obviously disused and obsolete, the tech has been surpassed by more moden aircraft.
Private jet aircraft in the hangar open for regular maintenance service.
Parts of a passenger plane.
Engine of helicopter in hangar.
Open engine compartment of an airplane at an aviation exhibition. Air transport
Side view of an old air craft jet engine without its covers
A propeller-driven, four engine airliner built by Lockheed Corporation in 1943.  The first pressurized cabin civil airliner.
An old cargo transport aircraft, the moss, staining, and streaks of dirt down its hull made some very interesting patterns. \n\nThe aircraft obviously had some military usage in its history, whether it carried troops, supplies, vehicles, or a combination of everything I don't know. The proboscis on the nose of the aircraft is for refuelling midflight, so it could fly extreme distances so long as tanker aircraft were available to refuel from.\n\nIt is a monolithic piece of engineering, and only standing on the floor under its wingspan do you get a real impression of how big these cargo planes now are, they're a feat of design and engineering, even when obsolete and left abandoned outdoors.
The nose and propeller of the mighty P-47 Thunderbolt basking in the morning light in a hangar.Please visit my lightbox for more similar photos
A turboprop aircraft with a three-blade propeller is in the hangar. Selective focus.
Carburetor on the engine Go kart car
Turboprop engine of P-3C Orion on static display at Portland Jetport.
Private jet aircraft in the hangar open for regular maintenance service.
View from Bellow of a propeller of an old dismantled plane inside a hangar to study its parts
View on an aircraft engine hanging on a wing
iron works blast furnace parts, closeup of photo
This machine gun is mounted to the nose of a combat aircraft.
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