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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 low stall speed makes it possible for the aircraft to fly backwards relative to the ground under high wind conditions while under control. [1] Many western countries prohibit the use of the An-2 commercially because the aircraft has not been certified by the relevant national aviation authorities.
The British Auster WW2 reconnaissance aircraft had a placarded stall speed of 24 knots (44 km/h; 28 mph), [5] but that was merely the speed at which its control surfaces lost authority. As reported in many personal accounts by the pilots in their memoirs, the speed at which the aircraft would actually stall was 24 miles per hour (39 km/h).
Stall speed or minimum steady flight speed for which the aircraft is still controllable. [7] [8] [9] V S 0: Stall speed or minimum flight speed in landing configuration. [7] [8] [9] V S 1: Stall speed or minimum steady flight speed for which the aircraft is still controllable in a specific configuration. [7] [8] V S R: Reference stall speed. [7 ...
Reims also built 2 aircraft in 1978 as the F337H. [16] [17] [18] P337H Pressurized Skymaster Introduced for the 1978 model year as a turbocharged, pressurized version of the 337H powered by two 225 hp (168 kW) TSIO-360-C engines, which were replaced by the TSIO-360-C for the 1980 model year. [13] [14] 64 total built; 26 (1978), 24 (1979), and ...
It was well regarded for its excellent short field performance and low stalling speed of 50 km/h (31 mph). [2] Around 2,900 aircraft of various models, the most commonplace being the Fi 156C, were produced between 1937 and 1945. The Fi 156 quickly became popular on the export market, eventually being widely used by various nations.
Graph of altitude/speed region envelope for Lockheed U-2 depicting coffin corner. Coffin corner (also known as the aerodynamic ceiling [1] or Q corner) is the region of flight where a fast but subsonic fixed-wing aircraft's stall speed is near the critical Mach number, making it very difficult to keep an airplane in stable flight.
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.