FIELD: aircraft engineering.
SUBSTANCE: wing comprises centre section, right and left wing sections, leading and trailing parts, leading-edge flap, aileron, spoiler aileron, flap and air brake. Wing centre section top and bottom panels are made integral with stringers. Front frame of wing LH and RH panel torsion boxes features channel cross-section that houses flanges. Rear frame of wing LH and RH panel boxes consists of root part composed by titanium rings and wall of aluminium alloy and end part. LH and RH outer wing panels are made integral with stringers. Skins of leading part of every wing outer section are made of polymer composite based on black-reinforced plastic with cellular filler. Front frame, rear end of rear frame, training end panels and skins are made of aforesaid polymer composites.
EFFECT: higher durability and reliability.
24 cl, 6 dwg
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