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The Effect of Surface Irregularities on Wing Drag. 3; Roughness (1938)
NASA Technical Reports Server (NTRS) · leaf 13
Figs.3,4 N.A.C.A. -V, Figure 3 100 200 300 400 500 V, m.pM., (standard atmosphere) | 4 8 12 16 Figure 4 -t A verag& R, millions … Forward limit of roughness, percentage chordNASA Technical Reports Server (NTRS)
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