Pivot, vehicle space (metres; +z forward, +y up, ground or waterline at y = 0).
OptionalrotationRest rotation, Euler YXZ radians.
OptionalspinSpin: about which local axis (0 x, 1 y, 2 z), how fast, and driven by distance travelled or time.
OptionalstageRocket stage this part belongs to (falls away at separation stage); −1 stays at the launch pad.
OptionalsteerMultiplier on the vehicle's steering angle (1 = steered wheel).
How a moving part is attached and animated.