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  2. Spoiler (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Spoiler_(aeronautics)

    Spoilers were used by most gliders (sailplanes) until the 1960s to control their rate of descent and thus achieve a controlled landing. Since then, spoilers on gliders have almost entirely been replaced by airbrakes, usually of the Schempp-Hirth type. Spoilers and airbrakes enable the glide angle to be altered during the approach while leaving ...

  3. Glider (aircraft) - Wikipedia

    en.wikipedia.org/wiki/Glider_(aircraft)

    Single-seat high performance fiberglass Glaser-Dirks DG-808 glider Aerobatic glider with tip smoke, pictured on July 2, 2005, in Lappeenranta, Finland. A glider is a fixed-wing aircraft that is supported in flight by the dynamic reaction of the air against its lifting surfaces, and whose free flight does not depend on an engine. [1]

  4. Yaw string - Wikipedia

    en.wikipedia.org/wiki/Yaw_string

    A variation of the yaw string is the side string, used in gliders for a determination of the angle of attack. In this way the speed for best glide angle, the best thermalling speed and the stall speed can be observed independently of other parameters like air speed, aircraft weight, acceleration due to turning, stick movements, and gusts. [18]

  5. Rolladen-Schneider LS8 - Wikipedia

    en.wikipedia.org/wiki/Rolladen-Schneider_LS8

    In 2006 World Gliding Championships at Eskilstulna, Sweden, LS8 took the first and third places. LS8 was the winner of 2002, 2004, 2005, and 2007 European Gliding Championship. Many regard it as the best all-round standard class glider.

  6. Ruppert Archaeopteryx - Wikipedia

    en.wikipedia.org/wiki/Ruppert_Archaeopteryx

    The Ruppert Archaeopteryx (English: ancient wing) is a Swiss high-wing, pod-and-boom, single-seat, microlift glider that was designed by Roger Ruppert and is produced by Ruppert Composite GmbH. [2] [3] The aircraft is named for the feathered Archaeopteryx dinosaur that lived during the Late Jurassic Period in what is now Europe.

  7. The Swish of the Curtain - Wikipedia

    en.wikipedia.org/wiki/The_Swish_of_the_Curtain

    Until recently The Swish of the Curtain was the only one of the "Blue Doors" series to have been republished after the 1970s. However, The Swish of the Curtain (2006), Maddy Alone (2007), Golden Pavements (2009) and Blue Door Venture (2011) have been republished by Longwater Books, and Maddy Again was finally reprinted in 2012. As this last ...

  8. Leonardo's aerial screw - Wikipedia

    en.wikipedia.org/wiki/Leonardo's_aerial_screw

    The "aerial screw" was one of several aerial machines drawn by Leonardo, including an early parachute, an ornithopter and a hang glider. The pen-and-ink sketch outlines an idea for a flying machine similar to a modern helicopter , with a spiral rotor or "aerial screw" based on a water screw , but intended to push against the fluid of the air ...

  9. List of aircraft structural failures - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft...

    Improper maintenance: use of counterfeit aircraft parts 55 Highest death toll involving a Convair 580; loosening of vertical stabilizer due to excessive wear on mounting bolts 1989-09-19 UTA Flight 772: Sahara Desert, Ténéré, Niger McDonnell Douglas DC-10: Terrorist bombing 170

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