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Mastering Stalls: How to Recognize, Prevent, and Recover Safely

Flight Training Central

Depending on design, airfoils used in general aviation, stall at angles of attack between 16 to 18 degrees. A wing will always stall at the same angle of attack; however, weight, and bank angle, power setting and load factor may change the speed or the pitch attitude at which the airplane stalls.

Rudder 96
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There’s Something Essential in the Bank

Flying Magazine

“Wing warping,” as this approach was called, was satisfactory for very slow airplanes, but faster ones required more rigidity, and by around 1908 or 1909 the idea had arisen of replacing part of the trailing edge of a wing with a hinged, controllable flap. His invention had been forgotten, however, by the time real airplanes came into being.

Aileron 108
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Chord Line in Aviation? What It Is and Why It Is Important

Pilot Institute

Airplane wings vary in shape and size, but all have standard features like the chord line. Wing Control: Flaps, slats, and ailerons change the chord line, impacting lift and control. In general, the chord line is used as an easy-to-understand reference when referring to the properties of a wing or airfoil.

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The Albree Pigeon-Fraser: The First American Fighter

Vintage Aviation News

Even during his student days, however, Albree was fascinated with airplanes, often to the detriment of his academic studies, and he began to build his own designs. Born in Boston on February 3, 1888, Albree would graduate from Dartmouth College in 1912 after attending courses at Union College and Amherst College.

Tail 98
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Flight Test Files: Convair XF-92A Dart

Vintage Aviation News

The delta wing’s large area (425 square feet), thin airfoil cross section, low weight, and structural strength made a great combination for a supersonic aircraft. Photo NACA/NASA The single-place XF-92A airplane had a delta wing swept at 60 degrees. It was built as a test bed for a proposed interceptor that never materialized.

Airfoil 52
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Wingtip Vortices and Wake Turbulence

Pilot Institute

When air flows over the aircraft wing, the shape of the airfoil creates low pressure above the wing and relatively higher pressure below the wing. When the aircraft encounters a vortex and its strong enough to induce roll, the pilot counters it by using the ailerons against the roll and tries to fly out of the wake as soon as possible.

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Chord Line in Aviation? What It Is and Why It Is Important

Pilot Institute

Airplane wings vary in shape and size, but all have standard features like the chord line. Wing Control: Flaps, slats, and ailerons change the chord line, impacting lift and control. In general, the chord line is used as an easy-to-understand reference when referring to the properties of a wing or airfoil.