FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering, particularly, to propeller blades motion control systems. Screw (3, 3') for aircraft (1) made with possibility of hovering comprises drive shaft (6), bushing (5) connected to drive shaft (6) and made with possibility of rotation around first axis (A), and at least two blades (9) pivotally connected to bushing (5) by means of rigid or elastic connection so that they can take spatial position turned around and/or shifted along second axis (B, C, D). Aircraft (1) further comprises detection means (25) configured to detect the spatial position of at least one said vane (9) relative to bushing (5). Detector (25) is configured to obtain an optical image associated with the spatial position of blade (9) relative to bushing (5).
EFFECT: enabling determination of helicopter rotor blade displacements and turns using the minimum possible number of components.
13 cl, 9 dwg
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Authors
Dates
2020-06-23—Published
2017-04-07—Filed