Analysis of operation of ground-effect machines (GEM); defined as devices which operate in close proximity to earth's surface separated by cushion or layer of air; propulsion and control must be of aerodynamic nature; main categories of GEM's established are ram wing, peripheral seal, such as non-recirculating annular jet, recirculating labyrinth seal, diffuser, peripheral air leakage, such as plenum chamber, and levapad; basic principles involved. (see also Aircraft Eng v 32 n 375 May 1960 p 132-6)
Basic principles of ground cushion devices
SAE -- Paper
SAE Meeting ; 1960 Ground effect
1960
24 pages
Conference paper
English
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BASIC PRINCIPLES OF GROUND-CUSHION DEVICES
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