FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering, particularly, to empennage unfolding system. Proposed system comprises keel drive, control axle, unfolding axle and unfolding spring mechanism. At the same time on the upper part of the control axis there is a lever connected by means of a rod to the keel drive, and the lower part of the control axis is connected to the unfolding axis made with possibility of installation of the keel. Axis of unfolding is connected to the unfolding spring mechanism by means of links. At that, system is equipped with unfolded position lock, made with possibility to fix keel in unfolded position, and mechanical spring-loaded lock made with possibility of keel fixation in folded position.
EFFECT: invention makes it possible to simplify the keel unfolding system, reduce its weight and size characteristics and increase its reliability.
1 cl, 4 dwg
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