Determine the forced response of the tail section

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Reference no: EM131146203

One of the tail rotor blades of a helicopter has an unbalanced mass of m = 0.5 kg at a distance of e = 0.15 m from the axis of rotation, as shown in Fig. 3.62. The tail section has a length of 4 m, a mass of 240 kg, a flexural stiffness (EI) of 2.5 and a damping ratio of 0.15. The mass of the tail rotor blades, including their drive system, is 20 kg. Determine the forced response of the tail section when the blades rotate at 1500 rpm.

Reference no: EM131146203

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