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The rotor comprises a spinning cylinder with circular end plates and, in an aircraft, spins about a spanwise horizontal axis. When the aircraft moves forward, the Magnus effect creates lift. [1] Anton Flettner, after whom the rotor is named, used it successfully as the sails of a rotor ship. He also suggested its use as a wing for a rotor airplane.
In aeronautics, a spoiler (sometimes called a lift spoiler or lift dumper) is a device which increases the drag and decreases the lift of an airfoil in a controlled way. Most often, spoilers are hinged plates on the top surface of a wing that can be extended upward into the airflow to spoil the streamline flow.
Extending the wing flaps increases the camber or curvature of the wing, raising the maximum lift coefficient or the upper limit to the lift a wing can generate. This allows the aircraft to generate the required lift at a lower speed, reducing the minimum speed (known as stall speed) at which the aircraft will safely maintain flight.
In the 1820s British inventor George Pocock developed man-lifting kites, using his own children in his experimentation. [8]In the early 1890s, Captain B. F. S. Baden-Powell, soon to become president of the Aeronautical Society of Great Britain, developed his "Levitor" kite, a hexagonal-shaped kite intended to be used by the army in order to lift a man for aerial observation or for lifting ...
2. Pizza Hut: Chicago Tavern-Style Pizza. There's a new crust on the menu at Pizza Hut. The Chicago Tavern-Style pizza is modeled after the thin, cracker-like crust that's most popular in parts of ...
A lifting canard generates an upload, in contrast to a conventional aft-tail which sometimes generates negative lift that must be counteracted by extra lift on the main wing. As the canard lift adds to the overall lift capability of the aircraft, this may appear to favour the canard layout. In particular, at takeoff the wing is most heavily ...
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Photo: Jonathan Weiss / Shutterstock. Design: Eat This, Not That!Popeyes has been on a mission to become one of America's go-to wing spots ever since launching its new chicken wing lineup in ...