FIELD: aviation.
SUBSTANCE: device to improve spin recovery is an extension of horizontal tail made in the form of two bearing surfaces arranged symmetrically relative to longitudinal plane of the aircraft symmetry in fuselage tail and attached to the horizontal tail near its root chords. Maximum width of each bearing surface is achieved in the point of its conjugation with horizontal tail. Sweep angle of each bearing surface from the middle of length to horizontal tail is 90°÷115°.
EFFECT: invention is aimed at improving aircraft operating safety at deviation of all control devices in neutral position.
1 cl, 9 dwg
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