Cube /sluice combo

So I have a question regarding my newest diy project. Recently I purchased a gold cube with the intentions of prospecting lake superior beach gold.

Before I bought it I watched all the videos and am pretty sure I have a handle on how and where to run it with effectiveness. I purposefully went with the 3 stack knowing I wanted to build a water / tailings diverter , which would make it easier for tailings removal. Adding this would surely make the slick plate box too high for my comfort. I then realized this would be an excellent spot for an after sluice / tailings diverter. I've been running UR and bedrock hogmats with limited success due to the fine nature of the gold I can recover here in Wisconsin. Most of my material is classified to 20 mesh and brought home in truckloads of pails and run through my diy sluice in my shop. This year I intend on doing mostly "field "running.  The sluice in the pics under my cube has a splash box for the cube tailings but does not have the correct water flow to engage the exchange ratio of the UR mats in the sluice body which is 24 inches. Since I have not put this unit into operation yet , I'm wondering if before I go buy a pump that is too big or too small someone has any insight . I guess my goal is to feed the cube a little slower for better efficiency while at the same time being able to add more material underneath to get more volume thru my system.   Crazy huh?

 

 

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  • I added a full coverage of the slick plate with deep V mat..... The gold cube does not need a slick.

    Check this out.... https://youtu.be/qs1D6OfvD48

    Also take a look at this guys setup... might give you some ideas..... Also this guy is losing a lot of water flow due to the height he is lifting the water. I suggested that to him but he seems to know everything already..... I have to admit though, He is getting the fine Cape Disappointment gold and that is a good thing..... You can ignore his sales pitch though...LOL

    https://youtu.be/Mx9Ozsgr7UI

  • The Cube can handle more water,  In your current configuration you are lifting the water pretty high and therefore you are likely only getting around half your water flow.  Borrow a bigger pump from a buddy and see if that gives you enough water to increase your flow in the Cube to up your throughput as well as not blocking the UR.  With your flow correct you will also see there is not much need for tailing matting.  With not enough water, you will have stalled mat and with too much there will be flushing.  Too little is realized by way too much material in the G-Force separator and too much can be tested with this method.
    1. cut a 5/8" dowel rod to 10 inches.
    2. roll the dowel down the water tray slick plate and it will jamb and dam up the water all but an inch on either side.
    3. With the water on, you will see the water getting deep above the dowel.
    4. Watch the scooped out section of the plastic that forms the Cube side openings, the water should not overflow out those sides. If it stays contained, you are good, if it overflows, you need to dial back the water.
    Hope this all helps, Have fun.  I'll be on Lake Superior the last couple days in July and the first week in August.

    Mike

      1. Thank you Mike and Orrin for your help !  I'm looking at a spot on sattelite just northwest of Muskellonge lake that always appears to have a very black patch , maybe we'r eying the same spot and i could crack you a cold pbr . Thanks again. Jason 
      • East from the steps has been the best last few years, PBR  That is Pretty Beach Rocks right?  LOL Thanks Broski for the Brewski

  • 1100 gph probably wasn't enough for the hog mats, I was suggesting you run the cube only.  I have seen Doc do tests with both pieces of equipment, but he feed the cube off the sluice, not sure what rate he was feeding the sluice box though.

  • Jason, you should be able to classify to #8 and run directly through your gold cube.  The gold cube pump is 1100 GPH I believe, have watched lot of people run tailings that way with very good success.

    • Thank you for the input ! I dug some frozen tailings out from my driveway , thawed them out and ran it with just the cube flow ( you are correct it is 1100 gph) however , the blonde sands just plugged up the ur hog mats and had very little exchange. In the end i would like to feed one scoop through the cube and perhaps two scoops through the hog mat sluice underneath. I guess im trying to get more exchange in the mats with more flow by adding another pump to the undersluice and getting the pitch dialed in. Am i wasting my time building this ? Will the ur mats capture that fine gold ? 

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