The Question of Spontaneous Wing Oscillations : Determination of Critical Velocity Through Flight-oscillation Tests (1936)
NASA Technical Reports Server (NTRS) · leaf 12
Figs. 5,6 N.A.C.A. Technical Memorandum No. 806 … Figure 5.- Model wing mounted for wind-tunnel test. Exciter-electric motor below wing, Gei^er recorder on table. 2A.6.7 ' «w» JSi5H /3.ZH ZA-.3.S ' 2A.4Z lt.8H 10.9 H \J-.24.S Figure 5.- Oscillograms of medal test at various airflow velocities. Flexural frequency: A r 8.5 Herts 3 - 13.3 M Torsional…
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