Main rotor data.
|Shaft length and main diameter||0.851 m; 12.7 mm|
|Shaft Young modulus and Poisson coefficient||210 GPa; 0.3|
|Shaft and disk density||7778 kg/m3|
|Radius and thickness of disks||6.3055 × 10−2 m; 1.56 × 10−2 m|
|Hydrodynamic bearing radius, length and clearance||6.39 × 10−3 m; 6.2 × 10−3 m; 4 × 10−5 m|
|Hydrodynamic bearing oil viscosity, feeding pressure and feeding hole radius||0.0206 Pa s; 4 × 104 Pa; 1.25 mm|
|Mass unbalance value, position, radius and initial phase||2.37 g; Node 21; 57 mm; 0 °|
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