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jacksongold
16:25:56 Sat
Apr 16 2011

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high-banker info wanted


I'm looking to buy a smaller (8-10" wide) high-banker for prospecting. I will probably be transporting classified gravels in 5 gal pails to the set up high-banker. I'm not sure what would be the best gold recovery system for this. Angle iron riffles, expanded metal, or drop riffles. I know all will work but some systems work better than others depending on type of material processed and set up. I'm leaning towards the drop riffle mainly because of simplicity. Plastic is also very durable and light. I will be using a 1.5" pump. I've never used the drop riffle system and don't know how user friendly they are. Does the set-up have to be perfect to recover most all the gold or will gold blow out if water flow, angle, or feed rate are not perfect for the material processed. Thanks for any help.

  
baub
05:44:44 Sun
Apr 17 2011

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Re: high-banker info wanted

Jacksongold,

By drop riffle I assume you mean something like the G-1 or "Dan from NY"s setup. They're simple, easy to clean and in Dans case, inexpensive.
If you worry about losing Au, and who don't, make a small P/S sluice and install it downstream from the drop style. The two different types of recovery devices might compliment each other.

b

  
jacksongold
15:05:43 Sun
Apr 17 2011

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Re: high-banker info wanted


That's an excellent idea. I like it. The drop riffle sluice could be quickly cleaned after each small run then the expanded metal sluice and miners moss cleaned at the end of the day. Thanks.

  
baub
22:09:29 Sun
Apr 17 2011

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Re: high-banker info wanted

BTW, I just made a P/S sluice and tried it out on local (barren) sand. It got some heavies and some very fine b/s. This is one unit that I may use in conjunction with a similar but tapered P/S sluice downstream, idea being to target even smaller Au, Ag etc, than the standard P/S gets, as well as being a safety sluice for any upstream setup errors.
They're simple to build and can be tailored to your feed volume and other variables. Fairly easy to clean too. Just tilt and flush, with a complete cleanup at the end of the day or whenever you want.
For exploration tho, the small plastic drops might be the best compromise.
Let us know how you make out.

b

  

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