After alot of reading and thinking I came up with my skimmer design although nothing new from what has been done before me. It will be a Dart NW powered 15.25" x 54" bubble chamber with an air pump assist (60 scfm) 8" neck and of course the cup, so roughly 6' tall. The chamber is pvc 1/4" thick and the base is 1" pvc and I will be able to mount the pump to it. It will be in 2 parts, the first section is 13.5" so I can get in there for any reason, maybe to intall a bubble defuser/plate if needed. It will be flanged together with the top section with loys of plastic thumb screws. I would like to make the transition on top out of 3/8" acrylic but haven't figured out where to heat it up enough to make the cone shape, where I work we have a tank with Gliceron that we heat up HDPE sleeves to stretch them so this might work. Any ways here's a few pics to start.








great build by the way