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A flap is a high-lift device used to reduce the stalling speed of an aircraft wing at a given weight. Flaps are usually mounted on the wing trailing edges of a fixed-wing aircraft. Flaps are used to reduce the take-off distance and the landing distance. Flaps also cause an increase in drag so they are retracted when not needed.
The extended flaps are contributing to the Coanda airflow over the wing. One of the first production aircraft with blown flaps was the Lockheed F-104 Starfighter, which entered service in January 1958. [16] After prolonged development problems, the BLCS proved to be enormously useful in compensating for the Starfighter's tiny wing surface.
In aircraft design and aerospace engineering, a high-lift device is a component or mechanism on an aircraft's wing that increases the amount of lift produced by the wing. The device may be a fixed component, or a movable mechanism which is deployed when required. Common movable high-lift devices include wing flaps and slats.
Krueger flaps deployed from the leading edge of a Boeing 747 (top left and right in photo). Krueger flaps, or Krüger flaps, are lift enhancement devices that may be fitted to the leading edge of an aircraft wing. Unlike slats or droop flaps, the main wing upper surface and its leading edge is not changed. Instead, a portion of the lower wing ...
Droop flaps function with other high-lift devices on an aircraft to increase the camber of the wing and reduce the stalling speed.On the Airbus A380, the first stage of lift device selection deploys the droop flaps (called droop noses by Airbus) and leading-edge slats located further out on the wing; with the main flaps starting to extend when the second stage is selected.
The Gouge flap, is a type of aircraft flap, which moves on a track when raised or lowered; in level flight. Invented by Arthur Gouge of Short Brothers in 1936, it allows pilots to increase both the wing area and the chord of an aircraft's wing, thereby reducing the stalling speed at a given weight. This provides benefits including a shorter ...
Boeing 777 flaperon Flaperons on a Denney Kitfox Model 3, built in 1991 Flaperons (Junkers style) on an ICP Savannah Model S, built in 2010 Work of the flaperon of Boeing 777. A flaperon (a portmanteau of flap and aileron) on an aircraft's wing is a type of control surface that combines the functions of both flaps and ailerons.
The Federal Aviation Administration on Sunday said it will launch an investigation after the engine cowling of a Southwest Airlines plane fell off during takeoff in Denver and struck the wing flap.