The boundary layer as a means of controlling the flow of liquids and gases (1930)
NASA Technical Reports Server (NTRS) · leaf 24
N.A.C.A. Technical Memorandum No.555 Figs.3,4,5. … production on a symmetrical elliptic body (A = lift.) Fig.4 Arrangement for airfoil autorotation tests. The longitudinal Tfing slots serve to check autorotation and the weights to balance the airfoil about its C.G. Fig. 5 Development of a boundary a layer in a region with strong pressure increase'…
NASA Technical Reports Server (NTRS)
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