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angle of the riffles in my sluice box

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 ...

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Riffles and Sluice Boxes - How do they work?

Riffles and Sluice Boxes - How do they work? - What is a Sluice Box? Sluicing for gold A sluice box is like a long tray which is open at both ends. Most will have riffles, spaced evenly along the ...

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» 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

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sluice box riffle straight - YouTube

Oct 16, 2011  Kind of funny how people always talk about special riffles and angles. Here is just a plain straight bar. Great close in vortex.

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: Gold Hog

angle of riffles in a sluice boand - cambuse-cully

angle of the riffles in my sluice box - globalsports. angle of riffles in a sluice boand hungarian riffles sluice box « coal russian Sluice boxes, Also the right angle riffles were not as efficient as true Hungarian rifflA sluice box is a metal, wood, or plastic channel that has "riffles" and . Contact supplier.

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angle of riffles in a sluice boand - cambuse-cully

angle of the riffles in my sluice box - globalsports. angle of riffles in a sluice boand hungarian riffles sluice box « coal russian Sluice boxes, Also the right angle riffles were not as efficient as true Hungarian rifflA sluice box is a metal, wood, or plastic channel that has "riffles" and . Contact supplier.

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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.

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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.

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Sluicing 101 - Keene Engineering, Inc,

The sluice boxes in the days of the 49'ers were very similar to the ones of today. The primary difference is the construction and materials. Sluice boxes were built of heavy wood planks, because lumber was cheap and easily obtainable. Today's sluice boxes are constructed of light weight aluminum and steel.

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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.

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Angle Of Riffles In A Sluice Boand - edeka-herrnburg.de

Angle Of Riffles In A Sluice Boand. Grinding machine for chily grinding machine for chily grinding machine hammer mill small stone crusher bharat grinding machine el gawhara rice milling co chilli powder processing plant india mobile grinding plant rock crusher chilly know mirchi kandap machine price before buying grinding machine for chily.

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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

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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.

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The Riffle/Trap System - Gold Prospectors Association of ...

Also the size and shape of the riffles are just as important as the spacing is. I have never bought a sluice box, all of my boxes are homemade and field tested with several different styles and designs of riffle systems tested over the last 40 years. Boxes can be designed and built for fast water, moderate water, and slow water, so that no ...

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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

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How to Build a Sluice Box: The 7 Things You Need to Do It ...

If you’re able to follow the correct configuration on how to build a sluice box and use it well, finding gold along rivers would prove to be an easier task. It saves you time from sifting gold in a pan and it does not require electricity to operate. Aside from that, it also makes gold hunting more fun! Resources

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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.

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Help with a sluice box question - GOLD PROSPECTING ...

Aug 25, 2012  Box is lined on the bottom with ribbed rubber matting, over that is expanded metal. Head end under the crash box has heavy wide expanded metal for about 2 ft. Then a 3 ft section of ¾ or 1 inch angle iron riffles with the point facing the downstream water flow, with 15% angle cant on the upper blade edge of the angle iron.

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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

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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

Get Price

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

Get Price

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.

Get Price

How to Build a Sluice Box: The 7 Things You Need to Do It ...

If you’re able to follow the correct configuration on how to build a sluice box and use it well, finding gold along rivers would prove to be an easier task. It saves you time from sifting gold in a pan and it does not require electricity to operate. Aside from that, it also makes gold hunting more fun! Resources

Get Price

Help with a sluice box question - GOLD PROSPECTING ...

Aug 25, 2012  Box is lined on the bottom with ribbed rubber matting, over that is expanded metal. Head end under the crash box has heavy wide expanded metal for about 2 ft. Then a 3 ft section of ¾ or 1 inch angle iron riffles with the point facing the downstream water flow, with 15% angle cant on the upper blade edge of the angle iron.

Get Price

Gold Sluice Box Design - Mineral Processing Metallurgy

Sluice box and riffles are one of the oldest forms of gravity separation devices used today (Photo 3). The size of sluices range from small, portable aluminum models used for prospecting to large units hundreds of feet long. Sluice boxes can be made out of wood, aluminum, plastic or steel.

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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...

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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.

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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

Get Price

gold prospecting the Black Hills of South Dakota: Sluice ...

Dec 28, 2010  Use of expanded metal or angle iron is stated to, “severely reduces the opportunity for gravels and anything but very coarse gold and nuggets to enter the riffles.” For those of you wanting to build your own sluice box, a 15 degree upstream angle is needed on riffles, and a slope of 12-15 degrees of your sluice box in the creek.

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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.

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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

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what angle are the ripples in a sluich box - heledirn

Dec 28, 2010 For those of you wanting to build your own sluice box, a 15 degree upstream angle is needed on riffles, and a slope of 12-15 degrees of your sluice box in the creek. The article concludes with, "The fine screened sluice boxes had the lowest loss of all one of the triple run boxes and a single run box lost more gold than they ...

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angle crusher sluice - gezinsbondsint-amands

A sluice can function very well, even at the wrong angle, IF the riffles, and water flow, and all other things are in concert with each other so that the gold does get trapped That being said, sluice angle, riffle height and configuration, and water flow are the most important things in my experience One can buy a cheap plastic 360 degree angle ...

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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

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what angle are the ripples in a sluich box - heledirn

Dec 28, 2010 For those of you wanting to build your own sluice box, a 15 degree upstream angle is needed on riffles, and a slope of 12-15 degrees of your sluice box in the creek. The article concludes with, "The fine screened sluice boxes had the lowest loss of all one of the triple run boxes and a single run box lost more gold than they ...

Get Price

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.

Get Price

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

Get Price

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.

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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

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General High Banker Instructions - Keene Engineering, Inc,

approximately a 10 degree angle. a. The angle may have to be re-adjusted once the proper flow has been determined. The angle of the sluice to determine the proper flow is generally as close to level position as possible without allowing the gravel to build up over the riffles. If the sluice box is tilted too much the material will flow over the ...

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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.

Get Price

Hydraulic riffles for fine gold - bear-creek-placer

Hydraulic riffles are a system of riffles that have a built in manifold that injects water into the gold recovery mats, and fluidizes the gravel that is retained in a specially designed deep riffle system for a fluidized bed that greatly enhances fine gold recovery.

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Jobe folding sluice - Gold Prospectors Association of ...

For example my 6 foot sluice box has 30 inches of raceway before the start of the riffle system and that is the sweet spot for this length box. In the last 42 years I have never owned a store bought sluice box, for all of my boxes are homemade and field tested, so I know what happens if the riffle system is to long for the box.

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Using A Sluice Box to Find Gold - Gold Panning

Jul 28, 2011  A sluice box lined with riffles is one of the oldest forms of gravity separation devices still used today. They are simple and have been in use all across the world for thousands of years. The size of a sluice can range from small, portable aluminum models used for prospecting all the way up to large units hundreds of feet long, as are used in ...

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My Home Made 3 Stage Under Current Dredge Sluice Box

Frothing water inside my old crash box sluice : Nearly all portable crusher sluices have Hungarian type riffles, and I wanted my homemade sluice to have them as well. The concept of the Hungarian riffle (also called the Lazy L) is that the water and gravel flow over the riffle and a

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hecklerfabrication

hecklerfabrication

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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?

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