How to SIZE a Sluice Box - Mineral Processing & Metallurgy

This week I went and asked "how to SIZE a sluice box" to the crew on a large gold prospector forum and other sluice or gravity gold recovery 'experts' and gathered the list of emails and forum posts here below. As you will see, in summary, most can optimize or troubleshoot a sluice box but few or none can size a gold sluice box.

Dredge Adjustments - Gold Prospectors Association of America

The proper sluice box adjustment can effect the. recovery of values. If the sluice does not have enough angle, the sluice box will "load up" causing the riffle openings to. fill with unwanted excess material. Too much angle will cause the material to flow too fast, resulting in loss of values, evidenced. by the riffles running too clean.

Sluice Box/Highbanker for sale | eBay

Simplify gold prospecting and mining with the ASR Outdoor Folding Sluice Box! This sluice box unfolds to a full sized 50" sluice box, and easily folds back up into just 15" so you'll be able to carry and store it with ease. It even comes with miner's moss and carpet already installed, so you won't have to worry about cutting and fitting your own.

How To Build and Operate Sluice Boxes

Sluice Building use in our sluice design projects but they have to be understood for what they were, which is a study of a small scale commercial placer pilot project. The source material for the 6-inch wide by 8-foot long sluice they operated was only classified down to 1/2-inch

angle of sluice drop - GPEX

Dec 02, 2012· A protractor is what you are looking for. There are 360 degrees in a circle. 180 in a semi-circle A protractor has the degrees drawn on it. So if you use a level bubble to find your bottom edge plane for the protractor, then the angle on the sluice can be measured in degrees.

Proline Mining Equipment Dredge/Highbanker Combo 2"

2" Dredge/Highbanker Combo. Beginners love our 2" machines because they are small, lightweight and very affordable. The Proline 2" combo offers the versatility of being operated as either a 2" dredge or a small highbanker which can be fed continuously with a small shovel.

Setting the Proper Water Velocity Through a Sluice Box

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 slope of the sluice box itself—which will speed up or slow down the flow of water over the box.

Quick Highbanker Question - GOLD PROSPECTING - Nugget ...

Feb 12, 2011· This equates to roughly 1 degree of sluice box angle, and is the correct starting location for dredging. The corrected sluice box angle can only be determined after running quite a bit of material through the dredge. With the dredge running, go back and inspect the riffle system.

The Size of Riffles - New 49ers Prospecting Club

Let's just use the example of a 5-inch dredge. The nozzle-restriction will allow a 4.5-inch rock to be sucked up into the sluice box. And there must be enough water-flow through the sluice to keep the 4.5-inch rocks, and everything else that is being sucked up, flowing through and out as tailings.

Sluice Box Angle Indicator? Does it work? [Archive] - AMDS ...

A sluice should be set so there is just enough water force to move the gravel. For a sluice set in a creek it is more about the speed of the water. In fast water a sluice can be set almost flat, in slow water it may need quite a bit of angle. So I set sluice in creek, add gravel, observe action, and adjust angle …

Otimum degree angle for your sluicebox? - GPEX

Jul 22, 2012· Otimum degree angle for your sluicebox? User Info Username: Password: Welcome, Guest. Please login or register. Did you miss your activation ... On a 10" wide sluice, you will notice rooster tails angling towards the center of the sluice. The longer the sluice, the more you will see at intervals down the sluice. ...

Sluices & Hi-Bankers - Martin Prospecting

Martin Prospecting MS-46-EM Sluice Box . Item #: 1068 3/4'' expanded metal with no ripple bars. Uses less water to operate. Catches 98% FINE GOLD in the first 3" …

Gold Dredge Sluice Box IN ACTION! - YouTube

Oct 23, 2012· Underwater, in-box video of a suction dredge sluice box in action! This is a 4 inch dredge running in Western Oregon. I apologize for the typo at the end of the video - I didn't notice it until it ...

Dredge Sluice Box: Equipment | eBay

NEW FINE GOLD sluice box, dredge, hi-banker, MATTING 13 inch wide. Sluice box matting. Condition is New. Mat dimensions are roughly 13 inches wide by 35.5 inches long. D.I.Y. Cut to fit 12 Inch or sma...

Miners moss or ribbed carpet? - GOLD PROSPECTING - Nugget ...

May 11, 2012· Carpet under Moss and a well tuned water flow/sluice angle. Only speaking for a dredge. Other very important often overlooked part of the equation is how well you control the amount of material being sucked up. Ribbed carpet by itself can fill with …

Gold Highbanker, Power Sluice | Gold Rush Trading Post ...

A power sluice or highbanker is basically a sluice box with height and mobility and is motorized. It is mounted on a 4-legged stand that gives the sluice box the correct slope. Instead of being put right in the creek like a hand sluice, an engine with a water pump and some hoses gets the water up from the stream into the sluice or highbanker.

D.I.Y. prospecting & mining equipment parts & supplies ...

Heckler Fabrication, D.I.Y. Parts & supplies for your sluice box needs. Everything needed for modification of your Highbanker, or any other equipment using a sluice box. & See our Custom Build page on our site if you want us to custom build one for you.

Getting The Best Performance From Your Dredge - Gould Eng

Getting the best performance from your dredge involves some basic physics. The most obvious problem is lifting or I should say sucking, in most cases, a dredge-hose full of sand, rock and water. The actual lift will be from the nozzle end of the dredge-hose to the exit port of the venturi device.

Gold Sluice Box Design - Mineral Processing & Metallurgy

The gold sluice box is an efficient alternative to panning for gold, allowing the prospector to quickly sift through a much greater volume of sediment. Although many affordable varieties are available to purchase, they are even more affordable to build. With a little knowledge, skill and creativity, a prospector can build a custom sluice box from almost any type of solid material available.

2.5 DREDGE ASSEMBLY INSTRUCTIONS

2.5 " DREDGE ASSEMBLY INSTRUCTIONS TOP VIEW OF 2.5" DREDGE FRAME The dredge frame comes in 5 main pieces. 1. 1 Engine mounting section. 2. 1 Sluice mounting section. 3. 1 Sluice box tracking bar. 4. 2 Side support handles. Sluice box tracking bar slides forward and backwards to adjust the sluice box angle. Tracking bar studs with locking pins

Sluice Box/Highbanker for sale | eBay

Get the best deal for Sluice Box/Highbanker from the largest online selection at eBay.com. Browse your favorite brands affordable prices free shipping on many items.

How to Use a Sluice for Gold: 8 Steps (with ... - wikiHow

Jan 24, 2018· How to Use a Sluice for Gold. Gold prospecting is becoming an ever-increasingly popular hobby. Spending time in the beauty of the outdoors and the lure of striking it rich are some of the attractions. The gold sluice allows a …

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

Sluicing - How to set the correct angle on your sluice box - Sluicing for Gold I can't tell you how many times someone has asked, What angle do I set up my sluice box . The worst part is, there ...

Highbankers - Power Sluices

Combination Dredge / Power Sluice Option: If a power sluice uses a high pressure gasoline engine it is relatively easy to adapt it so that it can also function as a small dredge. Combining a power sluice and portable dredge creates a very efficient gold recovery system that can be used in most any situation.

Gold Well Vortex Drop Riffle Sluice Box - Gold Rush ...

It might also be caused by a difference in the water flow from one side to the other of the sluice. ANGLE: The sluice has been tested from 2 degrees through 25 degrees, and performs admirably throughout that range. This sluice has even been operated at a 45 degree angle and …

Setup Or Assemble Keene 5" Sluice Box? - Gold Panning ...

Nov 01, 2018· The sluice in my photo was a simple 6" straight run sluice and it was my favorite dredge I ever owned If I was dredging months in a row then the best recovery possible would matter more to me, but that's never going to happen now. I did like the old side sluice arrangement for two reasons.

Why Are Dredge Sluices So Short? - Sluicing, Highbanking ...

Apr 12, 2013· Hi, We are new to dredging, but have been researching and experimenting for the past year and we are starting to design, build, and refine our existing 3 homemade dredge/highbanker combo that we put together last fall. My question is why are all the manufactured dredge sluice …

GoldHog Sluice Mats - GoldHog Gold Prospecting Equipment

The #1 High-Tech sluice mat in the USA. Made in the USA from heavy EPDM Rubber GoldHog® sluice mats are… heavy duty, flexible, excellent heat, ozone and weather resistant. Can perform from 200 degrees to -20 degrees. Expected life span is 10+ years in standard sluicing operations, and 3-5 years in large commercial mining operations.