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Crane Torque Balance & Tip-Over Risk (2D)

A 2D side-view companion to the 3D crane: adjust load mass, boom angle and counterweight mass to see the load moment and counterweight moment balance (or fail to), and watch the rig tip forward or backward when the moments overpower the chassis's resisting capacity.

Space & Astronomy2DEasy60 FPS📱 Mobile-adapted⇄ 3D version

A 2D side-view companion to the 3D crane mechanics simulation: instead of a trolley riding a horizontal jib, this rig is a luffing boom whose angle sets how far the load hangs from the pivot. Drag the load mass, boom angle and counterweight mass and watch two torques fight for control — the load's overturning moment pulling the crane forward, and the counterweight's restoring moment holding it back — read out live in kN·m alongside the crane's own structural safety margin. Push either moment far enough past that margin and the rig visibly tips, forward over the load or backward over the counterweight, the same balance-of-moments principle load charts on real cranes are built from.

⚙ Under the hood

Adjust load mass, boom angle and counterweight mass on a side-view luffing crane to see the load moment and counterweight moment balance in kN·m, and watch the rig tip forward or backward once either overpowers the chassis's structural safety margin.

torque balancecrane mechanicstipping stabilitycounterweightmoment of forcestructural engineering

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