The Question of Spontaneous Wing Oscillations : Determination of Critical Velocity Through Flight-oscillation Tests (1936)
NASA Technical Reports Server (NTRS) · leaf 11
Figs. 1,2,3,4,7,8 N.A.C.A. Technical Memorandum No. 806 Figure 3.- Typical curve of wing Figure 4.- The resonance deflections oscillation in air stream. Critical of fig.3 plotted against velocity at v*18rn/s. the velocity. The curve in the vicin- ity of the asymptote is similar to the deflection… … figure 7.- Resonance amplitudes of Figure 8.- Sketch of excitation in fig.6 plotted against model test, velocity. Note the almost complete elastic axis absence of experimental scatter. S= gravity axis
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