Yes, we built a bench.. i can post some pictures of it :) we bought the plans, it runns with 6 vacum cleaner engines.. 3 with triac controle and 1 original 300 cfm calibrated plate.. it runs @ 28" vacum and has an electronic DP-cell that is connected to the pc.. i can send u the information u need and where to buy the parts if ur interested.. :)