Vehicle concepts and technology requirements for buoyant heavy-lift systems
Mark D. Ardema, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1981 - Technology & Engineering - 16 pages
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advanced concept aerodynamic interference airfoils Ames Research Center Ballonet BQR concept BQR design BQR vehicle BUOYANT HEAVY-LIFT SYSTEMS buoyant hull buoyant lift buoyant quad-rotor concept Canada ref CONCEPTS AND TECHNOLOGY configuration containership offloading control systems cruise flight cruise speed Cyclo-Crane dynamic lift dynamic-lift efficiency empty weight Engineering feasibility studies ferry figure 9 FLIGHT DYNAMICS flow field fly-by-wire fuel efficiency fully buoyant airship Goodyear gross weight HEAVY LIFT heavy payloads heavy vertical lift HEAVY-LIFT AIRSHIP heavy-lift applications hybrid aircraft increased large or full-scale lift capability lightly loaded logging lower operating costs minimal development Moffett Field NASA Oehmichen's performance and economics Performing Organization propulsion system propulsion-system propulsors remotely controlled flying REQUIREMENTS FOR BUOYANT research and technology rotates rotor cyclic pitch rotor lift rotor-balloon rotorcraft S-64 HELICOPTER short hauls shown in figure small-scale experimental measurements Station-keeping structural weight structures and materials Technical technology development technology needs tion tons total lift trol