Reduce the torsional system of the automobile shown in Fig. P12.40(a) to the equivalent torsional…

Reduce the torsional system of the automobile shown in Fig. P12.40(a) to the equivalent torsional system shown in Fig. P12.40(b).The necessary information is as follows: J of each rear wheel = 9.2  in. • s2 J of flywheel = 12.3  • in. • s2 . Transmission of speed ratio (drive shaft of engine speed) = 1.0 to 3.0 Differential speed ratio (axle to drive shaft) = 1.0 to 3.5 Axle dimensions = 11 in. diameter, 25 in. long (each) Drive shaft dimensions in. diameter, 74 in. long Stiffness of crankshaft between cylinders, measured experimentally = 6.1 x 106  • in./rad • Stiffness of crankshaft between cylinder 4 and flywheel = 4.5 x 106  • in./rad

 

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