Need to move some concrete powder, would like to use compressed air or a blower. I will need it to vacuum and convey the product, the storage vessel is broken and there is no way to gravity or manually feed it. The vertical distance is 8-10' and no more then 20' horizontal. I have played around on a small scale with a 2" pvc compression fitting drilled and fitted with my air inlet and a smaller pipe on the inside drilled with angle holes in it and it seems to move oil dry pretty good as long as I keep the suction side short.I have had no luck with anything bigger. I would like to use 3" or 4". Can anyone help with ideas on what would work and what size blower or compressor would be needed to accomplish this. Have access to a pretty good size blower or will rent a big compressor. About 50 tons of material to move. Thanks in advance for any help that may be offered.