FIELD: aviation.;SUBSTANCE: invention relates to the field of aircrafts, namely, to devices for fixation against turning of folded rudder of an unmanned aerial vehicle. Folding rudder with turning lock comprises root and end parts, connected by axis, installed in root part with possibility of rotation and having cuts, spring-loaded retainers installed in root part parallel to steering wheel turn axis, cams fixed on retainers with support in axis, and spring-loaded retainer, the retainers are installed with the possibility of movement towards the end part, at that the stops are located in the root part on both sides of the steering wheel turn axis, in one of stoppers on the side of spring there is slot and hole, hole is made coaxially to longitudinal axis of stopper, slot is made in lateral surface of stopper, lock hole is installed in hole of retainer, in which pin is rigidly fixed through stopper groove.;EFFECT: reliable fixation of rudder against turning in folded position and guaranteed unlocking after rudder opening at compact overall dimensions.;1 cl, 8 dwg
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