Drag measurements on a Junkers wing section : application of the Betz Method to the results of comparative tests made on a model and on an airplane in flight (1927)
NASA Technical Reports Server (NTRS) · leaf 51
Figs.9 & 10 N.A.C.A. Technical Memorandum No.428 … Displacement line of I II HI rear Pitot tube Position Fig.9 Distribution of the profile drag along the span. a, v = 10 m/s b, v = 20 m/s c, v = 30 m/s d, v = 40 m;s h, mm Fig.10 Pressure loss behind-the'wing for position I of the Pitot tubes for four different velocities and a = 0.8°.
NASA Technical Reports Server (NTRS)
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