Coupled Lateral and Torsional Vibration of Rub-Impact Rotor during Hovering Flight

Table 2

Inertial attributes and unbalanced configuration of the disks.

	Inner rotor		Outer rotor
	Disk 1	Disk 4	Disk 2	Disk 3
Mass (kg)	2.41	2.38	3.17	1.57
Polar moment of inertia (kg·m^2)	0.0082	0.0082	0.0146	0.0059
Unbalance (10^−5 kg·m)	2	2	1.5	3