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Relation of "Lilienthal effect" to dynamic soaring flight (1925)
NASA Technical Reports Server (NTRS) · leaf 16
H.A.C.A. Technical MemCraiidiM ^6iZ84i Figs.3&4 1.6 1,4 1.2 1.0 -•4 + .8 -.3 \ + i6 -.2 + .4 -.1 + .2 -0 0 + .1 •f..2 Fig.3 … Fig.4NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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