Home▸Engineering & Materials▸Planetary Gearset: Willis Equation, Sun, Ring and Carrier Modes, Torque Split - 2D Lab

⚙️ Planetary Gearset: Willis Equation, Sun, Ring and Carrier Modes, Torque Split - 2D Lab

Planetary (epicyclic) gearset: Willis equation, reduction, overdrive and reverse by holding sun, ring or carrier; planet spin, torque split and mesh-loss efficiency.

Engineering & Materials2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

2D companion of the planetary gearset bench: axial view of sun, planets, carrier and ring with the same Willis speeds, torque split and mesh-loss efficiency.

planetary gearepicyclic gear trainWillis equationgear ratioCanvas

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install