home made pump and will see it works?

[home_made]

hi everybody. at last I have made a home made pump encovering both the thing and the ones at the sub. I have been happy for both with them but the pictures that I have seen on this site made me very eager then what it happpenned.
If u give me some favour I will post both the device I have made and the result... infact we will see the result...
dont leave me alone