FIELD: aircraft engineering.
SUBSTANCE: integral panel comprises skin, stringers and transverse belts made integral with said skin. Said skin is composed of three-ply panel including outer and inner linings of reinforcing material. Cellular plastic filler with conical holes is arranged between said linings to allow for direct contact between said inner and outer skins. This panel is equipped with reinforcements built in panel edges and stringers integrated in said panel. Stringers are composed of cellular plastic core with cavity reinforced by inner shell and furnished with the stack of flanges and outer shell arranged at cellular plastic core. Transverse belt is composed of U-shape-section grooves.
EFFECT: stiff shell resisting the compression, shear and crosswise stresses.
5 dwg
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