![]() If you want air (and trust me, you do!) you need to have a quality oilless pump AND have figured out mounting, belt route and shaft pulley mounting, then you need air hoses, resevior and an LP scuba regulatorÄon't even think about building until you have all of this figured out. You need the right hoses or you will be spending all your time dealing with jambs (wrong hose design), hose tears (too flimsy) or fighting an immovable hose (too thick) You need a quality flare between the jet and the sluice, because this will take a lot of abuse. You need a properly designed steel jet log (if using a jet), otherwise you are wasting engine and pump power without moving water and material You need the proper length, width, and depth of sluice for the water and gravel moving through it, and you need the right type of sluice bed for your gold type You need enough flotation to deal with river current without turtling your dredge You need the frame to be strong enough to withstand the abuse and vibration it will enounter You need the right engine and pump to have the proper gallons and pressure for the size of dredge you want. If you know exactly what you are doing, you can build one because you know how they are supposed to be built, assembled, operated and function. You will still be money ahead if you can take a weekend and drive to pick one up after taking to a seller and getting lots of picts and opinions from members here. I had to drive 500 miles to pick a good used dredge. I understand your predicament, Being in OK I had the same problem.
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