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Keene 3 stage sluice setup - Dredging - Paydirt Community16 Mar 2017 , hi i have an 5inch keene with the 3 stage sluice , the sluice or the gap going into the under part at different length openings no matte, , spring to mind when you mentioned the undercurrent box getting blocked up 1 answer....know more

Why Are Dredge Sluices So Short? - Sluicing, Highbanking and ,4 Apr 2013 , My question is why are all the manufactured dredge sluice boxes so short , When we crank up the 3" pump our waterflow seems to fast for a single Keene A52 sluice, , It seems to me suction dredges are designed to more material, not , We are more in the testing stages right now and learning with what....know more

Keene 3 Stage Sluice Box - 4" High PerformanceThis 4 inch, 3 Stage Sluice Box is simply the lightest, most compact sluice box you , This portion of the riffle works extremely well as black sand will not build up...know more

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Modding to a 3 stage sluice - DIY Forum - Nugget Shooter ForumsOf course the three stage sluice only starts at a 4 inch dredge; however, the 3 , into a flare tube design, or did they all have the old crash box on 'em? , Had my partner not run a scam on me and the investors, I would have....know more

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Keene gold dredge 3 stage sluice assemblyFine gold modification ,30 Aug 2011 , Simple 2nd stage modification allowing larger rocks to pass with less energy...know more

4" High Performance 3 Stage Sluice: OnlineThis 4 inch 3 Stage Sluice Box is simply the lightest, most compact sluice box you can find for superior fine gold recovery The secret is in our 3 Stage Sluice....know more

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Gold mining - WikipediaGold mining is the resource extraction of gold by mining As of 2015, the world's largest gold producer by far was China with 455 tonn The second-largest producer, Australia, mined 270 tonnes in the same year, followed by Russia with 250 tonn Contents [hide] 1 History; 2 Statistics; 3 Methods , Using a sluice box to extract gold from placer deposits has long been a very....know more

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Gold Dredging: Application And Technique - AZoMining9 Nov 2012 , Their equipment was limited to sluice boxes, gold pans and rockers , The Difference Between a Single Sluice and a 3 Stage Dredge , It is not uncommon to see a dredge working profitably the tailings of some of the tailing....know more

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3 stage sluice build 28 Mar 2013 , Up next Keene gold dredge 3 stage sluice assemblyFine gold , 3:58 home made 3-stage sluice box, and easy lift system - Duration: 5:17...know more

3 stage sluice FAQ - Gold Fever ProspectingInfo on 's newest dredge 3 stage sluice box design , through a single sluice box, a loss of fine gold can occur if the material and flow is not....know more

Custom Made Riffle Sets - Greywolf HighbankersYes there are different sluice box setups for different gold size recovery , the actual working physics of a sluice/riffle system were not completely understood , of the sluice box and for the last 24 inches of the sluice box use ½ inch high by 3 , So now at the cleanup stage we will want to be very careful in removing the riffl...know more

4" Deluxe Gold Dredge with 55HP Honda & No ,This Keene 4" gold dredge features the famous Keene 3-stage box - the 4" dredge is the smallest dredge to offer this big dredge feature The 3-stage sluice....know more

Sluice Boxes: Online3" Standard Sluice Box for Jet Flare $42500 4" High Performance 3 Stage Sluice Quick View 4" High Performance 3 Stage Sluice $65000 5" to 6" Mini 3....know more

Homemade 3 Stage Under Current Sluice Box catching Gold ,Build a home made Sluice Box, make your own design plans and then build it yourself; Prospecting for Gold, dredging,: ...know more

The Riffle/Trap System - Gold Prospectors Association of America ,All most all sluice boxes use a carpet or some form of ribbed matting or , riffle system over the expanded metal giving the sluice box 3 traps to stop and , work, unless there is no running water or the stream is in a flood stage...know more

Double-screen Classification System in Dredging - The New 49ersConventional Suction Dredges do not allow for Much Classification , 2) Placing a classification screen towards the head of the sluice box, and then , in stages; first to drop the 3/8-minus material out of the higher-velocity flow which is needed....know more

Inside Your Sluice - The Slurry - Gold HogBefore the material (mix) hits your sluice box, it is in the mixing stage we'll call the , While videotaping the mix, we decided to break it into 3 sections , Material that is heavier than the lights, but not falling quickly enough to hit the bottom 3)....know more

Best matting riffle combination for fine gold - Sluicing ,19 Mar 2013 , Carpet was tested against Miners Moss and shown to not catch gold as well because it does not give the fine , Just another tool in the sluice box , I plan to retro-fit the 6" bridge plate in the top protion of the 3 stage Keene...know more

Amazon : Backpack Prospecting Kit - 9 pieces - Gold Mining ,9 pieces include: backpack, mini sluice that's 6" wide and 24" long with 3" sides made of 080 aluminum, a 12 inch 3 stage gold pan, scoop, 2 half ounce vials for gold, 2 one ounce vials, and a , Need to add a magnet rock hammer or pick your ready to gosluice will not find in pack , Folding Backpack Sluice Box by Royal...know more