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8-piston aeronautical radial engine bottom view
A red light aircraft. Fragment of a propeller of the front part of . Close-up, screws, texture, surface
Vintage aeroplane propeller.
vintage airplane engine detail inside propeller (small antique plane turbine)
Wide angle image of mechanical engineering in Aeronautics. Belonging to a Euro-fighter Typhoon.
Old Warden, UK - 2nd October 2022: The historic De Haviland DH88 Comet racing aircraft flying low over airfield
Milwaukee, Wisconsin, USA: 1911 Curtiss Model E (or frequently \
Engine and propeller of a old aircraft from the prehistory of aviation
Bristol Box Kite
Fragment of the front part of a light aircraft with a propeller. Close-up, screws, texture, surface
Jet Aircraft Engine
Propeller of a beautiful old airplane
Rebuilt, aircraft gas turbine engine on stand.
Open engine compartment of an airplane at an aviation exhibition. Air transport
Lisbon, Portugal: boxed aircraft auxiliary power unit (APU) - the APU is a small turbine engine that provides air and electricity, no hydraulics, but electricity and air can run hydraulic pumps. APUs are typically located in the tail cone of the aircraft, but they can also be located in the engine nacelles or in the wheel wells. APUs can be started using either the aircraft's batteries or a ground power unit (GPU). Once the APU is running, it generates electrical power through a generator. APUs are also used by some airlines to reduce fuel consumption. For example, some airlines use the APU to power the aircraft's air conditioning system on the ground, instead of using the main engines. This can save fuel, as the main engines are more fuel-efficient when they are running at higher speeds - Lisbon Airport, aka Humberto Delgado airport.
Old aircraft, pioneer in the history of aviation
Lockheed Constellation Passenger Airliner
Biplane with 9-cylinder double-row radial engine on a cloudy day
Close-up of propeller airplane engine
Small propeller airplane at an air show. Selective focus
Four-pronged propeller on a gray small airplane, head-on view
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) -
Part of a propeller. Black and white light aircraf. Screws, texture, surface, close-up
pilot cap with goggles on an old airplane
Close-up at WWII fighter plane engine and system part. Industrial and transportation equipment object photo. Selective focus.
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aircraft enginefrom 1928 to 1932
Biplane aircraft engine and propeller
Free Images: "bestof:ABC8HP.JPG en ABC Motors 8 horsepower aircraft engine fitted to an English Electric Wren at the Shuttleworth Collection Own Nimbus227 2009-09-21 ABC aircraft"
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