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Quiz: Basic Aircraft Aerodynamics

Flight Training Central

The term 'angle of attack' is defined as the angle between the airplane's longitudinal axis and that of the air striking the airfoil. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface. The horizontal component of lift. The vertical component of lift.

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There’s Something Essential in the Bank

Flying Magazine

Otto Lilienthal did it by shifting his weight, but for the much larger Wright Flyer the solution was to make one wing produce more lift than the other by twisting them in opposite directions. In other words, the lift change that results from deflecting the aileron is not confined to the aileron itself.

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Passing the torch

Air Facts

The Four Forces of Flight (Lift, Thrust, Drag & Gravity) obey Newton’s Three Laws of Motion. irplane controls work per the Lever Principle, and a wing’s airfoil shape increases lift via the Bernouilli Principle and Coanda Effect. Like Moses and the Ten Commandments, aviation is limited by 10 laws of physics and chemistry.

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Today in Aviation History: First Flight of the Stipa-Caproni

Vintage Aviation News

During these years, he concluded that the inner surface of the venturi tube needed an airfoil shape to achieve the greatest efficiency. The duct, as predicted by Stipa, had a profile similar to that of the airfoil, with a fairly small rudder and elevators mounted on the trailing edge of the duct. The Stipa-Caproni in flight.

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Today in Aviation History: First Flight of the Consolidated B-24 Liberator

Vintage Aviation News

Davis, who had developed a new wing, whose airfoil had a lower drag co-efficiency than other wing designs of the time, and which had already been used on the company’s Model 31/XP4Y Corregidor flying boat. The Davis Wing allowed for higher speeds and added lift at relatively low angles of attack.

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Flight Test Files: B-47A Stratojet

Vintage Aviation News

However, by the mid 1950s, the desire to increase the range and speed of large airplanes led to swept-back wings of high aspect ratio, thin airfoils, and fuselages with high fineness ratios (i.e. long and thin).

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The No Longer Invisible Angle of Attack: AOA Indicators

Learn to Fly

An angle of attack (AOA) indicator can determine the aerodynamic health of the airfoil (wing). This flight instrument measures the angle between an aircraft’s wing and the relative wind, providing a visual representation of how much lift the wings are generating at a given airspeed or angle of bank.

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