sluice box setup riffle design height amp spacings action

Riffle Study - Gold Prospecting Equipment - Sluice Mat

There seems to be a “rule of thumb” out there that spacing riffles should be based on Rx2= S (open space). So, if you have a 1” high rifle the spacing would need to be 2” of clear space. Our observations found this to be totally wrong for MOST setups.

Gold Sluice Box Design - Mineral Processing & Metallurgy

A sluice is generally defined as an artificial channel through which controlled amounts of water flow. 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 …

Sluice Box Design [Archive] - AMDS Adventure Forum

I find pages 17 and 18 to be particularly interesting in light of the way the typical consumer sluice box riffles are designed. According to this report, the height, spacing, and configuation of the riffles are all important to developing a vortex for optimum recovery.

The Size of Riffles - New 49ers Prospecting Club

So initially, we are dealing with a water-force through the sluice box that will wash 4.5-inck rocks all the way through. That is a lot of force. And the force is turbulent.

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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Hand Built Magnetic sluice box riffles - YouTube

May 26, 2014· I put 5 tool hanging magnets (1'' x10''} under the top shelf. It work great for helping keep most of the heavy magnetics out of the miners moss. 50% of …

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

As water moves through the sluice box, rocks, small, objects, sand, and gold get trapped in different layers called riffles. The device works more effectively when compared to gold panning as the act of separation is done by a machine and not by hand.

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