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  2. NACA airfoil - Wikipedia

    en.wikipedia.org/wiki/NACA_airfoil

    TT: the maximum thickness in percent of chord, as in a four-digit NACA airfoil code. For example, the NACA 23112 profile describes an airfoil with design lift coefficient of 0.3 (0.15 × 2), the point of maximum camber located at 15% chord (5 × 3), reflex camber (1), and maximum thickness of 12% of chord length (12).

  3. Airfoil - Wikipedia

    en.wikipedia.org/wiki/Airfoil

    For example, an airfoil of the NACA 4-digit series such as the NACA 2415 (to be read as 2 – 4 – 15) describes an airfoil with a camber of 0.02 chord located at 0.40 chord, with 0.15 chord of maximum thickness. Finally, important concepts used to describe the airfoil's behaviour when moving through a fluid are:

  4. Talk:NACA airfoil - Wikipedia

    en.wikipedia.org/wiki/Talk:NACA_airfoil

    TT: the usual two-digit maximum camber in percent of chord; Accordingly, the given example “77887” is nonsensical. You simply cannot have a an “8” in the middle position: it _must_ be either “0” or “1”. An 87%-of-chord thickness is also highly dubious: _none_ of the canonical NACA profiles (10 5-digit and 87 4-digit) go beyond 25%.

  5. File:Examples of Airfoils.svg - Wikipedia

    en.wikipedia.org/wiki/File:Examples_of_Airfoils.svg

    English: Selected airfoils in nature and various vehicles, with their approximate chord length indicated. Sources for the shapes of the airfoils: Low-speed ULM wing: drawn over own photo of low-cost, low-speed ultralight

  6. 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).

  7. Glossary of aerospace engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_aerospace...

    Airfoil – An airfoil (American English) or aerofoil (British English) is the cross-sectional shape of a wing, blade (of a propeller, rotor, or turbine), or sail (as seen in cross-section). Airlock – is a device which permits the passage of people and objects between a pressure vessel and its surroundings while minimizing the change of ...

  8. Trump mocks Justin Trudeau over top official’s shocking exit ...

    www.aol.com/news/trump-mocks-justin-trudeau-top...

    Donald Trump mocked Canadian Prime Minister Justin Trudeau after his top minister’s surprise resignation following a clash on how to handle the president-elect’s looming tariffs.

  9. Foil (fluid mechanics) - Wikipedia

    en.wikipedia.org/wiki/Foil_(fluid_mechanics)

    Since even a flat plate can generate lift, a significant factor in foil design is the minimization of drag. An example of this is the rudder of a boat or aircraft. When designing a rudder a key design factor is the minimization of drag in its neutral position, which is balanced with the need to produce sufficient lift with which to turn the ...