Sales Inquiry

Angle Of The Riffles In My Sluice Box

How to Build a Wooden Sluice Box | Our Pastimes

Sluice boxes have been used by gold prospectors for years. The bottom of a sluice box is covered with so-called riffles. Water flows through these riffles, and any heavy material, including gold, falls to the bottom of the box while the water and any lighter materials, including sand, is washed away.

Hydraulic Riffles ? | Gold Dredging Forum

Apr 23, 2011 · And you won't see angle iron used in modern dredge sluice box's. The riffles I favour, and the riffles of choice for most dredge builders (when using conventional riffles as opposed to hydraulic riffles), have a slight lip at the top and would be placed at an angle in the box . with the angle in the direction of the flow of the water (for .

Scout 1200 High Banker – Prospectors Choice

This sluice box works by a constant capture system. We have focused on the entire length of the sluice box as being one big capture element. How it works. Upon entering the Scout 1200 High Banker, the material instantly lands on a heavy duty assay matting, made of ribbed rubber matting.

Hydraulic Riffles ? | Gold Dredging Forum

Apr 21, 2010 · The design he is utilizing is fairly conventional, with the only innovative feature the use of hydraulic riffles in the sluice boxes. I've been advising him on the construction of the hydraulic riffles and when he has it finished I'll try to get some photos to post in my Photobucket album in the Hydraulic riffles .

Best Sluice Box: 5 Dream Options for Gold Prospectors

Best Sluice Box for 2016. Gold prospecting is done in different parts of a river. Knowing where to find a viable prospect site is only one part of the whole process. Gold prospectors also need to get the proper gear before they start. Among the basic things needed is the sluice box.

Using a Sluice Box 101 – Gold Rat Highbankers Australian .

Sluice Boxing 101 By Christopher J Walkin Did you know that fine gold recovery usually makes up for the majority of gold found by small time prospectors? Its much more plentiful and it's usually found in places that are easier to get to. The problem with fine gold is that its so small and improperly set up sluice boxes

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.

Amazon: Customer reviews: SE GP-SB35-MAT Prospector's .

Find helpful customer reviews and review ratings for SE GP-SB35-MAT Prospector's Choice 10" x 27" Trimmable Riffled Sluice Box Matting at Amazon. Read .

Simple Steps to Build a Sluice Box for Gold .

Aug 14, 2016 · Old sluice boxes were often longer than 5 feet long with walls that exceeded 12 inches in height. It really isn't necessary to make a sluice box this large. If it is designed properly you should be capturing most placer gold within the first few riffles of the sluice box, and certainly no more than 3 .

How to Build a Wooden Sluice Box | Our Pastimes

Sluice boxes have been used by gold prospectors for years. The bottom of a sluice box is covered with so-called riffles. Water flows through these riffles, and any heavy material, including gold, falls to the bottom of the box while the water and any lighter materials, including sand, is washed away.

Proper Sluice Set Up - goldrushtradingpost

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.

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

This can be attained a few different ways; you can resituate the sluice in an area that has slightly more flow, you can situate the sluice at a slightly steeper angle to increase the speed of water going over the riffles, or you can add a few rocks in front of the sluice to funnel more water into the box.

Sluice Box - Tips 'n' Tricks - Old Forum Archive - New .

Jul 09, 2011 · Sluice Box. gohard Posted : Thursday . you study the flows of river and water you will note that one needs to vary the flow to stop the gold falling over the riffles if all riffles are the same them gold will move over each in turn if one changes slope and angles heights and shapes then the water will take on different charatoristics you also .

HOW_TO_BUILD_AND _RUN_A_SLUICE - WELCOME TO .

The Hungarian riffles aid in the breaking up process. A drawing of a three-box sluice appears on a following page. This design is patterned after the 'Yukon zig-zag' and permits many feet of sluice box to be stacked up in only four feet of length. By adding the wheels and wheelbarrow-type handles, the whole rig is easily moved from place to place.

Riffles versus expanded metal for sluice-box?

May 28, 2017 · Riffles versus expanded metal for sluice-box?: I plan on classifying my material down to at least 1/4" so would expanded metal work as well as small riffles or should I use both? The area will also more than likely be heavy with black sands so I .

ADDING A NUGGET TRAP BY: Gail Butler Rock & Gem .

My homemade sluice consisted of a wooden sluice bed with oak riffles. The rest of the surface of the sluice bed was entirely covered with Volkswagen matting. This sluice was the easiest and fastest to clean, as there was noting to disassemble or scrub. After a quick rinse, the sluice was ready to go back into the water. One might

Recover More Gold With The Best Sluice Box - Rock Seeker

May 20, 2019 · Recover More Gold With The Best Sluice Box If you've been panning gold for any period of time, you may find that it's time to move on to using a sluice box . A sluice box is a very common tool used by new and seasoned prospectors to find gold.

I added some length to my sluice box - Gold Nugget Hunting .

Dec 20, 2007 · I will add 2 more riffles to the lower end of the wooden sluice box today, just because I have a few pieces left over. I am not an engineer of course, but since the 12 inch sluice box is 3 feet longer, wouldn't that compensate somewhat for it not being wide enough ( 16 inches ) to support a 5.5 engine, 4 inch water jet, and hose.

Otimum degree angle for your sluicebox? - GPEX

Jul 22, 2012 · Otimum degree angle for your sluicebox? User Info Username: . what you have installed in the box will change the required pitch. Riffles. Expanded metal.. just matting.. it all varies. . Then adjust so that the material clears the sluice in roughly 3 seconds for a box 3' or 3 meters long.

Le Trap Sluice Box

Pick up the sluice and place the lower left corner into a bucket or Gold pan. Keep the sluice tilted to the left side, splash or pour water, washing the concentrates into the container. At this time you can see the Gold laying in the riffles. If there is Gold in the lower end of the sluice, the angle or the water flow can be changed to correct .

Riffle angle | Alluvial Gold Prospectors

Aug 25, 2016 · The 15 degree angle is designed so the back of the riffle is just about upright when you take in the 3 inch per foot drop of the sluice. This information is based on the Clarkston study which uses angle riffles (L shape) i believe. Cant find any info for flat riffles at the moment but will have another look a .

sluice box angle? water flow? - General Gold Discussions .

My home made box is a metre long & I work on no more than 50mm of water going through. Due to using my rail system to classify as I put the shovel loads onto my box & not using riffles as such (I use a rubber mat with a raised diamond pattern), I place my pan at .

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.

HOW_TO_BUILD_AND _RUN_A_SLUICE - WELCOME TO .

The Hungarian riffles aid in the breaking up process. A drawing of a three-box sluice appears on a following page. This design is patterned after the 'Yukon zig-zag' and permits many feet of sluice box to be stacked up in only four feet of length. By adding the wheels and wheelbarrow-type handles, the whole rig is easily moved from place to place.

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 .

Home made riffles. Do's and Dont's.

Oct 19, 2011 · Knocking up my latest sluice box, I thought I was at the easy stage of making and fastening the riffles, Man I was wrong! Loved the idea that you see so often, where all the riffles are welded in a lift up hinge type set up, seemed perfect and so simple for clean up time.

» Setting the Proper Water Velocity Through a Sluice Box

Sluice boxes process material best when receiving it from a steady feed. Too much material dumped at once into a sluice box has a tendency to overload the riffles and choke off the concentrating-action behind the riffles. This will cause gold to wash right through the sluice box as if there were no riffles .

sluice box riffles test - YouTube

Oct 14, 2011 · Some of our footage. You might want to scroll through the slow motion parts. Moderate flow rate test. Core mine material, quartz, sand, heavies, etc found in.

A Recirculating Sluice Box for Gold Prospecting: 10 Steps .

A Recirculating Sluice Box for Gold Prospecting: One of my many hobbies is recreational gold prospecting. I've been gold panning on my vacations for many years. It's a lot of fun. It's great exercise. I get to do it in really scenic locations. I have even found some gold. However, you aren't lik.

Best angle for a sluice box - tapatalk

I run more of a beach box setup on fine flake flour gold. My box is 24" wide and runs rough top conveyor belt at 20gpm per foot of sluice width. I find best recovery is between 1/2 and 5/8th of an inch per foot. I see gold migrating a lot at 3/4 and I loose a fair bit at 1" per foot. This is on material screened to 6 mesh in my .

riffle setup with expanded metal (Page 1) / Prospecting .

Mar 31, 2015 · Personally, I have found using a 2 inch high pressure fire fighting pump, only a few rpm above idle, I usually keep my riffles in comparison with the width of the box, 400mm wide sluice box, 400mm between riffles, and of course riffle height is governed by screening size.

Using A Sluice Box to Find Gold - Nevada Outback

Using A Sluice Box to Find Gold. Interested in using a simple sluice box to find gold? This is my page of information on placer mining for gold with a sluice. A sluice is a very popular device and is often the second piece of gold prospecting equipment purchased by the new prospector (it was for me). . A sluice box lined with riffles is one .

Riffle Design, Height & Spacings?? - TreasureNet

Apr 25, 2009 · The other day I made different sets of riffles to try in my 36" X 9" box. First set was at 18 degree from vertical with a .25" top lip that had an 18 degree kick up from horizontal. The riffle had no bottom lip so I guess you could call it a hungerian riffle, They were 5/8th high. I tried this riffle at 3.5" spacings, 3" spacings & 2.25" spacings.

Riffles versus expanded metal for sluice-box?

May 28, 2017 · Riffles versus expanded metal for sluice-box?: I plan on classifying my material down to at least 1/4" so would expanded metal work as well as small riffles or should I use both? The area will also more than likely be heavy with black sands so I .

Best Sluice Box: 5 Dream Options for Gold Prospectors

Best Sluice Box for 2016. Gold prospecting is done in different parts of a river. Knowing where to find a viable prospect site is only one part of the whole process. Gold prospectors also need to get the proper gear before they start. Among the basic things needed is the sluice box.

Simple Steps to Build a Sluice Box for Gold .

Aug 14, 2016 · Old sluice boxes were often longer than 5 feet long with walls that exceeded 12 inches in height. It really isn't necessary to make a sluice box this large. If it is designed properly you should be capturing most placer gold within the first few riffles of the sluice box, and certainly no more than 3 .

How I built a recirculating sluice box for gold prospecting

My intent was to use the flat stock as rails on either side of the sluice and weld the angle stock between them to make riffles. The entire steel riffle assembly could then be lifted out of the sluice .

How to use a sluice box - Mineral Processing & Metallurgy

Nov 03, 2016 · The sluice box is an absolute must for the beginner. It is a simple, yet effective, tool which allows the operator to process a great deal more material than would ever be possible by simply using a gold pan. Our Proline sluice boxes are built with .

Types Of Sluice Boxes Jungle Gold vs Gold Rush - GOLD .

Nov 21, 2012 · I notice in the gold shows they are using diffrent types of sluices. The Jungle Gold sluices does not have any riffles just what looks like artificial turf. The Gold Rush sluice have miners moss and riffles more like we use. Why the two diffrent types and what benifits would either box have?

Do It Yourself, Homemade Gold Sluice Box - blogspot

Jul 28, 2011 · The riffles are really the most important part because they are the part of the sluice box that catches the gold. Riffles are often assembled from small slats of steel set at about 45° angle held in place by a rail on either side.