The gyro rotor is spinning at the constant rate p =100 rev/ min relative to the x-y-z
Chapter 7, Problem 7/62(choose chapter or problem)
The gyro rotor is spinning at the constant rate p = 100 rev/ min relative to the x-y-z axes in the direction indicated. If the angle \(\gamma\) between the gimbal ring and horizontal X-Y plane is made to increase at the rate of 4 rad /sec and if the unit is forced to precess about the vertical at the constant rate N = 20 rev/ min, calculate the angular momentum \(\mathbf{H}_{O}\) of the rotor when \(\gamma=30^{\circ}\). The axial and transverse moments of inertia are \(I_{z z}=5\left(10^{-3}\right) \text { lb-ft-sec }{ }^{2}\) and \(I_{x x}=I_{y y}=2.5\left(10^{-3}\right) \mathrm{lb}-\mathrm{ft}-\mathrm{sec}^{2}\).
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