FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering, particularly, to rotorcraft transmissions. Screw (3, 3', 3'') for hovering aircraft (1) comprises fixed supporting structure (10), rotary element (11), which is rotatable about first axis (A) relative to said fixed supporting structure (10) at first speed (ω1), blades (13), which are functionally connected to rotary element (11). Screw comprises transmission group (37, 37''), which comprises output element (36, 36', 36''), rotated around first axis (A) at second speed (ω2) of rotation different from first speed (ω1) of rotation.
EFFECT: possibility of actuating auxiliary components located inside the propeller hub at rotation speed different from that of the column and bushing.
8 cl, 4 dwg
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