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Propeller slipstream reduces the stall speed by energizing the flow over the wings. [26]: 61 Speed definitions vary and include: V S: Stall speed: the speed at which the airplane exhibits those qualities accepted as defining the stall. [26]: 8 V S0: The stall speed or minimum steady flight speed in landing configuration. [27]
The ASK 21 was designed by Rudolf Kaiser to replace the popular ASK 13, providing a modern two-seat aircraft bridging the gap between initial training and single-seat performance flying. The ASK 21 is the first full-GRP two-seater produced by Schleicher , flying for the first time in February 1979.
Basic aircraft control surfaces and motion. A)aileron B)control stick C)elevator D)rudder. Aircraft flight control surfaces are aerodynamic devices allowing a pilot to adjust and control the aircraft's flight attitude. Development of an effective set of flight control surfaces was a critical advance in the development of aircraft.
The strut-braced, low-wing, open cockpit, conventional gear aircraft featured folding wings. [1] In 1933, an improved version the Sportwing B-2 was introduced. An enlarged four-seat version was produced in 1935 as the Kinner Envoy. Kinner became bankrupt in 1937 and rights to the Sportster were acquired by the Timm Aircraft Company.
The BAC-111 cockpit includes a stick shaker/pusher following its 1963 crash. A stick shaker is a mechanical device designed to rapidly and noisily vibrate the control yoke (the "stick") of an aircraft, warning the flight crew that an imminent aerodynamic stall has been detected.
The Liberty XL2 is a two-seat, low-wing, general aviation aircraft manufactured from 2004–2011 by Liberty Aerospace of Melbourne, Florida. A derivative of the Europa XS kit plane , it serves both as a touring aircraft for private flyers and as a flight trainer .
In aeronautics, air brakes, or speed brakes, are a type of flight control surface used on an aircraft to increase the drag on the aircraft. [1] When extended into the airstream, air brakes cause an increase in the drag on the aircraft. When not in use, they conform to the local streamlined profile of the aircraft in order to help minimize drag. [2]
The 230 hp (172 kW) engine gives the aircraft a sea level, standard day takeoff distance of 150 ft (46 m) and a landing distance of 300 ft (91 m). [ 1 ] [ 2 ] The V6 STOL has a typical empty weight of 1,200 lb (540 kg) and a gross weight of 2,200 lb (1,000 kg), giving a useful load of 1,000 lb (450 kg).