A.O..A. Technical Memorandum No.511 Pigs.14,14a,14b & 15 … a Center of rotation. b Resonance of torsional vibration. c Reference axis for the inertia moments of the torsional vibrations. Fig,14 Different kinds of fuselage vibrations in terms of the frequency for the variable■torque produced by the elevator. To Fig.14^ To Fig.14 Fig.14a Fig.14b Eccentric…
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