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what angle should rifles be in a sluice
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what angle should rifles be in a sluice

  • Building A Recirculating Sluice Box For Gold Prospecting

    The sluice was narrow which limited the amount of material I could process. Also the right angle riffles were not as efficient as true Hungarian riffles. It was also too shallow to use miner's moss in the bottom. I was at the point of starting over and building a new sluice when I saw a famous, commerciallymade model for sale, used, cheap on Ebay.

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  • How a Sluice Box Works | Gold Prospecting Equipment,Tips ...

    A sluice box usually has a flare at the top end, this increases water flow through the box, which in turn will help you extract the gold (once flow is not too fast). For a sluice box to work at optimum efficiency there should be no white water showing in the sluice box – …

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  • Using a Sluice Box 101 – Gold Rat Highbankers Australian ...

    You should be catching lots of fine gold at that speed but at the risk of larger rocks getting caught in the riffles and disrupting the flow. You can adjust the angles for fix that though. When setting up a sluice the proper angle must be observed.

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  • Sluice Riffles TreasureNet

    Dec 19, 2005· The solution used in Mongolia is either to make a metal sluice by welding, or to line the wooden sluice with a layer of heavy duty plastic that covers the floor of the sluice box and also dangles over the side. Then put a piece of old carpet on top, and only then add the wooden riffles. Believe me, this saves a lot of heartache!

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  • I don't like my sluice. I want a better one | Alluvial ...

    Aug 30, 2013· Should maintain a continuous laminar stream depth of 16mm through the sluice regardless of the rate the river is maintaining. Only requires slight river movement, just enough to maintain a constant and even selected depth at the rear, gravity controls the rate though the sluice and over the rifles.

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  • Gold Well Vortex Drop Riffle Sluice Box Gold Prospecting ...

    MANUFACTURER'S INFORMATION ON PUMPS: Water flow through the sluice should be between 2 and 8 gallons per minute per inch width of sluice. A 6 inch sluice should have a water flow of 12 and 30 gallons per minute. The water flow should not go below this. And a 12” sluice should have 24 to 96 gallons per minute supplied. Once the desired angle ...

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  • Simple Steps to Build a Sluice Box for Gold ...

    Aug 14, 2016· A sluice box helps you process more materials quickly than when you use pans alone. And they are relatively inexpensive so you won’t break the bank with the upgrade. If you want to recover more gold from your prospecting expeditions then you should consider using sluice boxes.

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  • Best Sluice Box: 5 Dream Options for Gold Prospectors

    Known for its small and compact design, the Mini Power Sluice Kit is a top option among gold prospectors. This kit includes a sluice box that measures 32” long and 6” wide, a sluice stand, and a header box. It also has a 4foot hose to help you sift through the substrates and a 12 V pump that you can connect to your car batteries.

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  • Highbanker angles (Page 1) / Prospecting Equipment ...

    Sep 04, 2014· 04 September 2014 02:58 pm. Okay guys thanks for this information. I'm at school now and about to go start working on the Highbanker I about half lesson will be hoping to get the strips riveted to the hopper box the sluice box will be getting expanded mesh cut and most likely get the leg hold bits made if you get what I'm talking about.

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  • How To Build and Operate Sluice Boxes Heckler Fabrication

    popular ‘GoldBuddy’, a ‘Grizzly’ brand mini highbanker, A G1 power sluice, A Proline 21/2” power sluice, a DK 11/2” power sluice and a new Keene 21/2” power sluice. All of this equipment was used in two different locations having very different dispositions and types of gold between March 12th and August 5th of 2009.

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  • Design and Build your Homemade Highbanker

    A simple water valve ahead of the spray pipes controls the amount of flow into the pipes. A slat type screen allows water and the smaller material to fall through and go into the sluice box. The slats should be set on an angle so that much of the material will slide off the slats.

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  • Suction Gold Dredge Basics Steve's Guides ...

    Jun 13, 2018· The sluice box normally need not be cleaned out more than once a day at the end of the day. The riffles and carpet are removed and all material (concentrates) in the box washed into a tub and panned out with a simple gold pan. Larger dredges may employ gold wheels or other devices to aid in the cleanup of the concentrates.

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  • BC Placer Sluice Boxes and Highbankers

    There is an old rule of thumb that says that the angle of a sluice box should be down one inch for every foot. On the other hand, many highbanker sluice boxes are used at a steeper angle. Getting a sluice box working properly depends on the sluice and on what you are trying to run through it.

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  • Sluicing How to set the correct angle on your sluice box

    Sluice Boxes: EZ Sluice Box : Jobe Yellow Jacket Sluice Boxes (36" OR 45") Regular price: Sale price: Keene A51 Mini Sluice Box Regular price: Sale price: Keene Super Mini Sluice Box A51A Regular price: Sale price: SALE ! ! Miners Moss Nomad Sluice Carpeting Regular price: Sale price: Sluice Matting ribbed ...

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  • Placer mining for gold with a sluice box: Instruction on ...

    Sluice boxes designed for individual prospectors are small and light, designed for maximum portability. As a rule, a long narrow sluice is more efficient than a short wide one. The sluice should have a slight slope, usually in the range of about 1/2 to 2 inches per foot, depending on the amount of available water, the size of material processed ...

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  • How to Sluice , Inc.

    The water depth should be nearly to the top of the sluice trough. Transporting material to hand sluice in buckets. Feed the goldbearing gravel Into the upper end of the sluice box in carefully regulated amounts. Do not dump the entire bucket into the sluice box all at once. ...

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  • What Is a Sluice Valve? |

    According to , a sluice valve is a type of gate that is designed to control the flow of a fluid passing through it. It works by lifting a round or rectangular wedge out of the path of the fluid. Though they can be used to regulate fluid flows in increments, sluice valves are generally not designed for that purpose and are typically ...

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  • Proper Sluice Set Up Gold Prospecting Mining Equipment ...

    The sluice should be set at a downhill angle that allows the material to briskly flow through the sluice. The higher the volume of water available, the shallower the angle will be. Shovel material into the sluice at the flared end as close to the end as possible so that the material is washed over the entire length of the sluice.

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  • A Recirculating Sluice Box for Gold Prospecting : 10 Steps ...

    A sluice box can process much more material, much more quickly than a person, or even a team of people can pan material with gold pans. I drew up a simple plan for a cradle that would sit on top of a plastic storage bin full of water. The cradle would hold the sluice and allow me to adjust the angle of tilt.

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  • 5 Tips to Capture More Gold in your Sluice Box

    Water that flows through the sluice box should be fast enough that it easily moves lighter materials (small rocks, gravel, sand, etc.) while allowing the gold to settle and hold in the riffles of the sluice. It needs to have good flow, but not so fast that you create whitewater conditions that create turbulence within the sluice box.

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  • sluice box riffles test YouTube

    Oct 14, 2011· UnderFlow Sluice Box Gold Mining Equipment vs. Drop Riffel There's A new Sluice In Town Duration: 4:18. XGrumpyProspector 535,094 views. 4:18.

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  • drop rifle sluice box plans ⚡Like a Boss

    drop rifle sluice box planshow to drop rifle sluice box plans for As with all of our plans, you are building at your own risk and you should have a firm understanding of building in general before you attempt many of our plans (some are easy as pie and perfect for beginners). With that, go forth, have fun, take lots of pictures and share them ...

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  • » Setting the Proper Water Velocity Through a Sluice Box

    These should be picked or flipped out of the riffles with minimum disturbance to the remaining portion of the sluice. On most suction dredges, the volume of water being moved through the sluice continues at the same steady flow during production speed. So adjusting the water velocity to set up the dredge right is accomplished by changing the ...

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  • Sluice Box Cleanup When to Remove Gold and Black Sands ...

    Gold prospectors often ask how frequently they should do a a cleanup when sluicing for gold. This is very important, since a sluice box that is overloaded with black sands will not function properly to retain fine gold. How often you clean out the riffle of a sluice depends on a few different factors.

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  • under rifle sluice box

    Gold Hog Riffle Shapes and Angles Sluice Mat. Riffle Shapes and Angles The job of a riffle is simple. 1) Water speed / velocity angle / pitch of the sluice box . Get Price; Cheap Rifle Scopes Free Shipping Rifle Scope under 100 on

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  • Clean Up Sluice – Prospectors Choice

    This is what this sluice box is designed to do. 19A2 Alluvial Sluice Box. The alluvial effect creates a continuously lowering of water pressure in different zones, allowing gold of different sizes and weights, to drop out of suspension at different intervals. There are no riffles to overload. This sluice box works by a constant capture system.

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  • How to SIZE a Sluice Box Mineral Processing Metallurgy

    Slurry velocity in sluice should be 1,5 – 1,8 m/s for expanded section and 1,8 – 2,2 m/s for angle iron. How long? Well, in these studies they used about 2,5 m long riffle sections with 2 m long slick plates before each section for to give time to heavies to drop to the bottom of the box before they hit riffles.

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  • Sluice | Article about sluice by The Free Dictionary

    sluice 1. a channel that carries a rapid current of water, esp one that has a sluicegate to control the flow 2. the body of water controlled by a sluicegate 3. See sluicegate 4. an artificial channel through which logs can be floated Sluice in ore dressing, an inclined, rectangular trough, usually with a rough bottom of napped fabric covered with a ...

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  • Riffles and Sluice Boxes How do they work?

    The way to tell if you have things close to right or not, is to notice whether you are finding gold many riffles down from the front of the sluice. It should be very close to the front, in the first 1/2 of the sluice for sure. One way to always know is to make the miners moss two sections, butted together. All the gold should be in the first mat.

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  • Sluice Box Angle and Flow Help GOLD PROSPECTING Nugget ...

    Mar 08, 2012· The best way to control the flow on a high output pump without putting a strain/back pressure on the pump, is to install a Y with shut off valves, the pump's output connects to the Y and then one hose would go to your sluice the other goes into your reservoir/tub, using the control valves adjust the sluice side and then balance out the remaining flow to the tub so you have flow between ...

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  • Best Sluice Box GoldPanning Kit Reviews (2020): The ...

    Jan 07, 2019· Our 5 Best Sluice Boxes Royal Compact 30. This sluice box gets all the basics right, from design to manufacturing processes. It offers a wider upstream mouth to create more water pressure through the channel over the troughs. Made from aluminum, the riffles are made from a zinccoated steel.

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  • How to Set the Right Angle on Your Sluice Box YouTube

    Mar 21, 2016· Use the "Sluice Setter" Digital Pitch Gauge to set the right angle on your sluice box, so you're not losing precious gold! Then please go to to order one for yourself. At only ...

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  • What is a Sluice and/or Gate Valve? GharPedia

    Mainly two types of spindles (wheel to turn valve on and off, at top of the stem) are used for raising the gate of sluice valve. A raising spindle: In which a spindle is attached to the gate but gate dose not rotate with the hand wheel. A nonraising spindle: Spindle which is rotated in a screwed attachment in the gate. The size of sluice valve is generally the same as the size of the main up ...

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  • Best Sluice Box REVIEWS: Find More Gold With These Sluice ...

    When you place a gold sluice box in a stream or a river, it uses the water flowing through it to separate the dirt and gravel from the gold. The sluice box then traps the fine gold behind riffles in the bottom of the sluice box. How Does A Sluice Box Work? Most gold sluice boxes are made out of lightweight metal and contain a removable riffle tray.

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