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A review of lighter-than-air progress in the United States and its technological significanceLighter-than-air craft for transportation and communications systems are discussed, with attention given to tethered balloons used to provide stable platforms for airborne surveillance equipment, freight-carrying balloons, manned scientific research balloons such as Atmosat, high-altitude superpressure aerostats employed in satellite communications systems, airport feeder airships, and naval surveillance airships. In addition, technical problems associated with the development of advanced aerostats, including the aerodynamics of hybrid combinations of large rotor systems and aerostat hulls, the application of composites to balloon shells, computer analyses of the complex geometrical structures of aerostats and propulsion systems for airships, are considered.
Document ID
19770068605
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mayer, N. J.
(NASA Headquarters Washington, DC United States)
Krida, R. H.
(U.S. Navy, Naval Air Systems Command, Washington D.C., United States)
Date Acquired
August 9, 2013
Publication Date
September 1, 1977
Subject Category
Aeronautics (General)
Report/Patent Number
IAF PAPER 77-163
Accession Number
77A51457
Distribution Limits
Public
Copyright
Other

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