Someone can help me for english translation for an idea ?

[vasik041]

Interesting
On last picture, is this setup vertical ? I mean is gravity involved ?

[rc4]

No gravity here. You can put the system perpendicular to gravity. Energy come from the geometry.

[vasik041]

The volume is constant but height will decrease. Did you take it into consideration ?

[rc4]

Imagine the system without graivity. No gravity here.

[vasik041]

 I mean height (or thickness) of liquid, e and e' on your picture.

I think you can gain force but loose distance...