FIELD: aircraft engineering.
SUBSTANCE: invention relates to large-size aircraft aerodynamic models design, employed for testing in wind tunnels. Device consists of interconnected fuselage cores, wing with moving high-lift system, moving empennage with framing fixed on them, longitudinal elements and flat shaped elements, repeating skin inner contour. At that, wing and fins central part cores are connected with fuselage core by means of fasteners, allowing, if necessary, to change wing and fins position relative to fuselage. Besides, fuselage core comprises fasteners for model mounting on wind-tunnel balance, and wing and fins cores are made so, that their weights correspond to analyzed aircraft weights and its centering characteristics. Due to fasteners assembled aerodynamic model or its separate elements can be hinged installed on wind-tunnel balance supporting device supports in wind tunnel working part.
EFFECT: technical result consists in possibility of creating of aerodynamic model prefabricated structure having external surface geometrically similar to analyzed future aircraft and equipped with high-lift system controlled components.
7 cl, 11 dwg
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