Apex Helix — refined energy model

½v² + gz = constant after the lift · geometric C² quintic Hermite · banked helix · Part 1 kinematic playback

Current segment

Lift hill

Energy state

1 Cubic lift 2 Hermite crest & drop 3 Banked helix 4 Hermite climb 5 Level brake

t = 0.00 s

Speed

Playback advances in physical time from conservation of energy, not in the shape parameter u. Drag to orbit · scroll to zoom · Space plays or pauses.