I have a doubt and I'm sure someone can help me. In my flight lever I tried to make the z axis (yaw) with return to the zero point. I have tried with several types of springs and designs (scissors type) etc..
but in the end the use ends off center. If you have disassembled some joystick with z axis, as they usually do, use some kind of special spring?
Commercial joysticks use an torsion spring in their twist axis mechanism, in a very "meh" implementation. Spring similar to this:
![[Linked Image]](https://forum.il2sturmovik.ru/uploads/monthly_09_2016/post-12288-0-12922100-1475149128.jpg)
