
Name  Notation  Specification 

Modulus of gear   2 
Pressure angle of gear   20° 
Teeth number of ring gear   50 
Reference radius of ring gear   0.050 m 
Teeth number of planetary gear   17 
Reference radius of planetary gear   0.017 m 
Thickness of planetary gear   0.015 m 
Mass of planetary gear   0.094 kg 
Rotational inertia of rotation of planetary gear   1.66 × 10^{−5} kg·m^{2} 
Rotational inertia of revolution of planetary gear   1.02 × 10^{−4} kg·m^{2} 
Number of planetary gears   4 
Radius of pin   0.0095 m 
Thickness of flywheel bracket   0.0075 m 
Mass of flywheel bracket (including pins)   0.426 kg 
Rotational inertia of flywheel bracket (including pins)   2.89 × 10^{−4} kg·m^{2} 
Major diameter of screw   0.020 m 
Lead of screw   0.010 m 
Rotational inertia of screw   2.80 × 10^{−5} kg·m^{2} 
