Preliminary results from NASA study of corrections required which are of new and greater order of magnitude than those currently in use in case of low speed VTOL-STOL model tests; outline of background theory and sample correction factors, dependent upon degree to which wake is deflected downward; horizontal and vertical interference velocities must be considered.
Wind-tunnel interference and ground effect for VTOLSTOL aircraft
Am Helicopter Soc -- J
American Helicopter Society -- Journal ; 6 , n 1
1961
9 pages
Article (Journal)
English
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