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Video tip: The aerodynamics of induced and parasite drag

Flight Training Central

During your flight training, you’ll learn all about the 4 forces acting on the airplane in flight, including lift, thrust, weight and drag. This week’s tip takes a closer look at the aerodynamic forces that cause the rearward force of drag, including a breakdown of parasite vs. induced drag.

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The physics of mobility: an interesting comparison of road, rail, and air travel

Aerotime

Energy is always required for acceleration, to overcome air drag, as well as rolling and friction resistance of wheels on road and rail, and for “lifting work”, i.e., working against gravity. It must be noted that energy to overcome air drag is only required when the movement takes place in an atmospheric environment.

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How Do Planes Fly & What Keeps Them In The Air?

Simple Flying

Although the science behind flight may seem complex, it boils down to the balance of four fundamental forces: lift, weight, thrust, and drag. Have you ever watched a plane take off and wondered how that big metal object full of people actually floats in the air?

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How CFM LEAP Engines Enhance The Performance Of The Boeing 737 MAX

Simple Flying

Since most aircraft spend nearly 90% of their operational time in cruise flight, the cruise lift-to-drag ratio determines the cruise performance of the aircraft. Engines play a vital role in ensuring that necessary thrust is provided to counter the drag forces and achieve a level flight.

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Quiz: Basic Aircraft Aerodynamics

Flight Training Central

The horizontal component of lift. The vertical component of lift. The four forces acting on an airplane in flight are lift, weight, thrust, and drag. lift, gravity, power, and friction. lift, weight, gravity, and thrust. What force makes an airplane turn? Centrifugal force.

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Why Boeing Has Winglets And Airbus Has Sharklets

Simple Flying

These are specialized enhancements at the tips of wings to minimize lift-induced drag and increase fuel efficiency in flight. One of the design differences between the two manufacturers is the types of wingtip devices used on airplanes. Airbus refers to them as Sharklets whereas Boeing calls them winglets.

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NASA Completes Initial Tests On X-66 High-Efficiency Airliner Design

AV Web

The trials collected measurements on lift and drag under multiple aerodynamic configurations and flight conditions. The X-66 concept incorporates an “extra-long” (high aspect ratio) strut-braced transonic wing for minimal drag and high aerodynamic efficiency. The ultimate goal is to create a more fuel-efficient airliner.

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