eli5: If water is non-compressible, then why not use it in hydraulic machines instead of hydraulic oil?

Question

eli5: If water is non-compressible, then why not use it in hydraulic machines instead of hydraulic oil?

In: 1817

Answer 1

Water IS compressible. That’s a common misconception. It’s not VERY compressible, but there’s some wiggle room in there.

Won’t be weighing in on the rest because idfk lol