I have used twin 80's on a 2' ID dredge down to 120 feet and got 12-15 minutes work out of them. But you will need more air as you go deeper or use a larger diameter pipe. Air is easier for most divers to run as you can do it off of a SCUBA tank. If you use a 3 PVC pipe, use a 2 to 3 reducting cupling on the suction end. To drive a suction dredge you can use either water or air. 1) Make sure that the working end is narrower then the rest of the pipe. This bearker is so that if something gets stuck at the suction end, like your hand, you open the breaker with the other hand and free the suction end. Use screws to hold one side and your control hand to hold it down. There is a long tradition of home built dry washers.

This is just the piece of equipment you need to prospect in the desert for gold. Here is all the information you need to design and build your own homemade sluice box. This can be used in conjunction with a gold pan. This can be a thick piece of rubber or a section of plastic pipe that covers a hole in the rig set between the air entry and suction end. Miners have been making their own sluices since the days of the gold rush. Super Easy Midwest Midas Mining 748 subscribers 14K views 1 year ago I show you how to make a hand gold dredge.

If it gets stuck in the pipe above the air entry, the whole system will be heading to the surface almost immediatly.Ģ) Put a suction breaker at the working end. This is to make sure that if something gets stuck, it is at the working end in front of you. If you use a 3' PVC pipe, use a 2' to 3' reducting cupling on the suction end. 1) Make sure that the working end is narrower then the rest of the pipe.

Diy gold dredge