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  2. Supercritical airfoil - Wikipedia

    en.wikipedia.org/wiki/Supercritical_airfoil

    Supercritical airfoils feature four main benefits: they have a higher drag-divergence Mach number, [21] they develop shock waves farther aft than traditional airfoils, [22] they greatly reduce shock-induced boundary layer separation, and their geometry allows more efficient wing design (e.g., a thicker wing and/or reduced wing sweep, each of which may allow a lighter wing).

  3. Transonic - Wikipedia

    en.wikipedia.org/wiki/Transonic

    Transonic (or transsonic) flow is air flowing around an object at a speed that generates regions of both subsonic and supersonic airflow around that object. [1] The exact range of speeds depends on the object's critical Mach number, but transonic flow is seen at flight speeds close to the speed of sound (343 m/s at sea level), typically between Mach 0.8 and 1.2.

  4. File:Subsonic and trans-sonic airfoils.svg - Wikipedia

    en.wikipedia.org/wiki/File:Subsonic_and_trans...

    English: Subsonic (1) and trans-sonic (2) airfoils at identical Mach number. A: Supersonic flow region . B: Shock wave . C: Area of stalled flow . On the trans-sonic (or supercritical) airfoil, the deceleration of the flow on the top surface, and the strength of the shockwave with which the flow returns to a subsonic regime, are reduced.

  5. Precision Castparts Corp. - Wikipedia

    en.wikipedia.org/wiki/Precision_Castparts_Corp.

    Precision Castparts Corp. is an American industrial goods and metal fabrication company that manufactures investment castings, forged components, and airfoil castings for use in the aerospace, industrial gas turbine, and defense industries. In 2009 it ranked 362nd on the Fortune 500 list, and 11th in the aerospace and defense industry. [3]

  6. NACA airfoil - Wikipedia

    en.wikipedia.org/wiki/NACA_airfoil

    For example, the NACA 2412 airfoil has a maximum camber of 2% located 40% (0.4 chords) from the leading edge with a maximum thickness of 12% of the chord. The NACA 0015 airfoil is symmetrical, the 00 indicating that it has no camber. The 15 indicates that the airfoil has a 15% thickness to chord length ratio: it is 15% as thick as it is long.

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  8. Camber (aerodynamics) - Wikipedia

    en.wikipedia.org/wiki/Camber_(aerodynamics)

    It is used for near-supersonic flight and produces a higher lift-to-drag ratio at near supersonic flight than traditional airfoils. Supercritical airfoils employ a flattened upper surface, highly cambered (curved) aft section, and greater leading-edge radius as compared to traditional airfoil shapes. These changes delay the onset of wave drag.

  9. Today's Wordle Hint, Answer for #1250 on Wednesday, November ...

    www.aol.com/lifestyle/todays-wordle-hint-answer...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1250 ahead. Let's start with a few hints.