I have been talking with him over the past week or so about his system
Bill D. Thanks you for the redirect though(I would have forgot to mention it as I am de-watering one of my ponds and babysitting the pump)
He wants to move the material so far that in order to get a collapse proof hose of that length and size it would get costly quick. So I have been throwing ideas back and forth with him on a PVC system. I often try to take into account things people may have on hand. Richard has a rotary vane air compressor so an airlift will be more in budget. Only issue with airlift systems is they do a great job of moving material vertically just not laterally unless you can get it into the current stream in large bodies of water. Like the Gulf of Mexico
.