Table 3: Natural frequency of whole system = 2379 vpm.

Mass no.Moment of inertia
Torque per unit deflection
Deflection in plane of mass
Torque in plane of mass
Total torque
Shaft stiffness
Change in deflection
Kg m2MN m±radMN mMN mMN m/radrad

Pulley10.094 0.532006210.532006254 0.532006254 0.391 1.36062981
Cyl.120.075 0.4244730 −0.36062981−0.15307764 0.378928611 1.952 0.19412326
Cyl.2 30.075 0.4244730−0.55475307−0.23547774 0.14345087 1.952 0.07348918
Cyl.340.075 0.4244730 −0.62824225−0.26667192 −0.12322105 1.952 −0.0631255
Cyl.450.075 0.4244730 −0.56511671−0.23987683 −0.36309787 1.952 −0.1860133
Cyl.560.075 0.4244730 −0.37910345−0.16091922 −0.52401708 1.952 −0.2684514
Cyl.670.075 0.4244730 −0.11065208−0.04696883 −0.57098591 3.52 −0.1622119
Flywheel 81.97 11.149492 0.051559828 0.574865928 0.003880017

 vpm (vibration per min.)