Browsing by Author "Langley, R. A."

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    Notes on research into some aspects of stall-warning devices
    (College of Aeronautics, Cranfield, 1953-04) Bethwaite, C. F.; Langley, R. A.
    The problems of detecting and indicating an approaching stall have been investigated in flight on an “Anson” aircraft. A lower-surface flap near the leading-edge of the wing detects the approaching stall at a speed which depends critically on the length of the flap and on its location, but the margin of warning speed over stalling-speed is reasonably independent of landing-flap position and throttle setting. Continues …