The turning moment diagram for a multi-cylinder engine has been drawn to a vertical scale of 1 mm = 600 N.m and a horizontal scale of 1 mm = 4°. The areas above and below the mean torque line are - 28, + 380, - 260, + 310, - 300, + 242, - 380, + 265, and - 229 mm2 .The fluctuation of speed is limited to ± 1.6% of the mean speed which is 400 rpm. The density of the rim material is 7500 kg/m3. The width of the rim is 4 times its thickness. The centrifugal (hoop stress) in the rim material is limited to 5 MPa. Determine the width of the flywheel in mm.
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