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Managed to get away down to the creek today and do a test, so here are some results.First, here is a video showing me feeding it a bucket of unclassified dirt and how it copes with it:http://www.youtube.com/watch?v=_dhYl5lIO9MThe inbuilt classifier works really well, and a bucket can be emptied into the sluice fairly quickly.This second video shows me panning the concentrates http://www.youtube.com/watch?v=OF6waDSRWhwWhat worked:Can feed it quicklyPortableThe trap worksCheap and easy to makeThe brazing rod grizzly works brilliantlyClean up is simple, just put it upright into a bucket and move it aroundThe PVC pipes in the trap work well to keep the concentrates in suspensionWhat needs improving:19mm timber floats too much and takes up too much roomRemember solid timber swells across the grain when wet, so account for that.It requires a good flow of waterBottom line is that this system works. The light material washes straight off the sluice, > 6mm stones also washes off and heavy material gets into the trap and stays there. < 6mm stones eventually wash out of the trap leaving black sand- awesome.I really like how it all fits together and can't wait to get the real thing. I am actually considering learning plastic and bending to make a better prototype and maybe even some improvements.I had a goal this week to find a gram of gold, not really knowing anything about where to go in Adelaide. I didn't make it but gave it a damn good shot.Here is the result
what is the pvc pipe inside the box used for???
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