yeh got lots of em. and plans to build several different designs. pm me w/your email address and i'll e mail them to you. i don't have them on a pic server. youtube.com has lots of videos also. just search "hho" in videos. your head will swirl with all the info. here is the "smacks' basic design that i use.
http://www.smacksboosters.110mb.com/ I had a problem with the screw on cap (Leaks)and made an o ring sealed top plate out of lexan and a 4" cpvc flange (van stone) and removed the flange . He gives a complete list of materials, supplier etc. great guy that wants to share info. you can also purchase one but they are too easy to build.
