# Physics Motor Joints with Position mode can't use a custom rotation axis

**URL:** https://forum.babylonjs.com/t/physics-motor-joints-with-position-mode-cant-use-a-custom-rotation-axis/62657
**Category:** Bugs
**Tags:** physics, constraint
**Created:** [March 3, 2026, 6:37pm UTC](https://forum.babylonjs.com/t/physics-motor-joints-with-position-mode-cant-use-a-custom-rotation-axis/62657 "2026-03-03T18:37:44Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![Cedric](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/cedric/32/2742_2.png) [@Cedric](https://forum.babylonjs.com/u/Cedric)
#### Post date: [March 13, 2026, 1:53pm UTC](https://forum.babylonjs.com/t/physics-motor-joints-with-position-mode-cant-use-a-custom-rotation-axis/62657/11 "2026-03-13T13:53:57Z")

</div>

Same diagnostic and it looks a bit like [Position motor does not reach target angle](https://forum.babylonjs.com/t/position-motor-does-not-reach-target-angle/61388)

Any idea @eoin ?

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