Christophe wrote:If I have drops falling you should lower your valve a little!
...
But you won't get any. This idea of perpetual movement is not new, you arrive 3 centuries late (see the siphon of George Sinclair), and it was proposed with more elegant systems than yours (see the image), which have never worked and for good reason:
https://lockhaven.edu/~dsimanek/museum/ ... capillary1
Physics is stronger than you!