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Preliminary biplane tests in the variable density wind tunnel (1928)
NASA Technical Reports Server (NTRS) · leaf 18
Fig. 2 Note No.289 H.A.O.A. Teclinical Fig.2 Polar and L/D curves. M-6,5" by 30" biplane. 5" gap. 1 Atmosphere. Average Reynolds No. 174,000.NASA Technical Reports Server (NTRS)
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