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aircraft efficiency

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  • Aircraft diesel engine — Thielert Centurion aircraft diesel engine. The aircraft diesel engine or aero diesel has not been widely used as an aircraft engine. Diesel engines were used in airships and were tried in aircraft in the late 1920s …   Wikipedia

  • Aircraft engine — An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always a type of lightweight internal combustion engine. This article is an overview of the basic types of aircraft engines and the design concepts employed in …   Wikipedia

  • Aircraft ground handling — In aviation, aircraft ground handling defines the servicing of an aircraft while it is on the ground and (usually) parked at a terminal gate of an airport.OverviewMany airlines subcontract ground handling to an airport or a handling agent, or… …   Wikipedia

  • Aircraft emergency frequency — The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft radio band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air… …   Wikipedia

  • Aircraft report — An aircraft report (AIREP), colloquially air report, is a message from an in flight aircraft to a ground station. These reports describe weather conditions in the upper layers of the atmosphere. AIREPs are prepared in conformity with requirements …   Wikipedia

  • efficiency of catch — The proportion of water droplets in the path of aircraft to the total number that will actually strike it, expressed as a percentage …   Aviation dictionary

  • Oswald efficiency number — The Oswald efficiency, similar to the span efficiency, is a correction factor that represents the change in drag with lift of a three dimensional wing or airplane, as compared with an ideal wing having the same aspect ratio and an elliptical lift …   Wikipedia

  • Propulsive efficiency — In aircraft and rocket design, overall propulsive efficiency eta is the efficiency, in percent, with which the energy contained in a vehicle s propellant is converted into useful energy, to replace losses due to air drag, or gravity, or to… …   Wikipedia

  • Fuel efficiency in transportation — This page describes fuel efficiency in means of transportation. For the environmental impact assessment of a given product or service throughout its lifespan, see life cycle assessment. Caveats Comparing Fuel efficiency in transportation is a bit …   Wikipedia

  • Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …   Wikipedia

  • Nimitz class aircraft carrier — USS Nimitz (CVN 68) Class overview Name: Nimitz class aircraft carrier B …   Wikipedia

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