how to make a mini hydraulic cylinder? making hydraulic cylinder on a lathe (for the rc crane-truck)

I wanted to show you how ı made mini hydraulic cylinder on a lathe. I hope you will find it useful :).your comments and subscriptions are very important to me. I'm waiting for your comments in the comments section. #rccar #rctruck #rccars #hydraulic #hydrauliccylinder #hydrauliccylinder #lathe #usinagem #diy #diycrafts #diycraft #crane #construction #rcexcavator #excavator