[Uh, too vague. Try finding a link and making a comment on something we can see]
I get the idea theres some kind of a new? hydro turbine that uses 2" pipe? and a 4ft head, no dam, 4oo ft of pipe and it has something to do with air driving the turbine
in stead of water?
I wonder if its some kind of pulserpump situtaion?
Any one know about this it sapposed to be fish freindly?
