Acquisition Source
Legacy CDMS
Date Acquired
August 16, 2013
Publication Date
November 1, 1950
Report/Patent Number
NACA-TN-2220Report Number: NACA-TN-2220 Accession Number
93R12155
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
PROPELLERS, HELICOPTERAIR FLOW - VISUALIZATIONWOODS - BALSAPHOTOGRAPHY - ROTORS