FIELD: lighter-than-air flying vehicles; transport and cargo rigid airship. SUBSTANCE: airship has case made in form of toroid, lifting propellers-motors, maneuvering propellers-motors and pilot cabin. Cavity of case formed by surface of toroid directed towards its axis of symmetry is used as cargo compartment. Flat encircling ring secured on toroid over its maximum diameter is used for securing the lifting propellers-motors. According to second version, case of toroid has form of polygon in radial section; this polygon includes upper and lower horizontal sections connected by means of vertical section. Located coaxially relative to case is annular fairing which has form of polygon in radial section with flat encircling ring secured over maximum diameter; lifting propellers- motors are secured to this ring. EFFECT: improved aerodynamic properties of airship; simplified construction; enhanced operational reliability. 3 cl, 4 dwg
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