| 摘要 |
aviation; arrangement of armament of helicopters. SUBSTANCE: helicopter has case with engine, rotor with blades and hub and supporting device for landing. Rotor is enclosed in screen box whose lower surface is secured on case. Mounted on upper surface of box is firearm with mechanisms for turning it in upper hemisphere. Video camera connected with receiving TV camera is secured in helicopter case in aiming line. Screen box embracing the rotor protects it against foreign matter and makes it possible to ensure fire contact in upper hemisphere at standard position of helicopter. EFFECT: enhanced efficiency and reliability. 3 dwg
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