Highbanker - Fine Material in Coarse Tailings
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Thread: Highbanker - Fine Material in Coarse Tailings

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  1. #1

    Oct 2019
    4
    All Types Of Treasure Hunting

    Highbanker - Fine Material in Coarse Tailings

    Hey All,

    I am new to Treasure.net and this is my first post.

    My question is, is it normal to have some losses of fine material in the coarse tailings pile from a highbanker?

    I just got a Gold Hog Piglet mini highbanker that I ran the other day with a 3700gph 12v 16amp bilge pump.
    I noticed fine material in the coarse tailings pile including garnets and black sand.
    So I put a pan under the grizzly bars to catch the tailings, and proceeded to try different things to minimalize the losses.

    Things I Tried and the results:
    ** Lowering the header box angle.
    This just made rocks get stuck on the grizzly bars

    ** Adding my 2200gph pump by zip tying the hose to the pipe that feeds water into the header box.
    More water spit out of the box instead of going into through the grizzly bars.

    ** Ran fine tailings from the end of the sluice to see if maybe larger rocks where keeping some stuff from going though the sluice.
    Still losses.

    ** Slowed my feed rate
    Still losses.

    ** Just ran the 2200gph pump after a clean out.
    Water wasn't making it out which is good, but 2200 gph isn't enough water.

    From what I can gather online, it seems that it is the nature of a highbanker's design to have some losses from the hopper feeder end.
    Before I left, I panned some material from the coarse tailings pile and found three specks.

    Is anyone else aware of this problem and does anyone have any suggestions?

  2. #2

    Oct 2019
    4
    All Types Of Treasure Hunting
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  3. #3
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
    5,503
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    It's gonna Happen. Some water runs down the grizz or screen it will bring some light stuff with it. If its clumps of unbroken material worry more.

    Hi bankers are a necessary tool. But, most times the situation at the hopper coarse tailings area is a shitshow. My least favorite aspect of power sluices.

    Gold is heavy it falls through the Grizz right away. The specks you found were most likely still stuck to something you panned.

    Try running the hopper as flat as you can while still allowing larger material to screen on its own.
    Last edited by Goldwasher; Yesterday at 10:33 AM.
    Esotericvalue, russau and gmn0000 like this.

  4. #4

    Jun 2017
    131
    168 times
    All Types Of Treasure Hunting
    Every few scoops just grab a scoop from the tailings pile and dump it back through. Doc shows this on his videos. I have tested mine and the losses I found were not worth trying to recover. If you are in an area known for big nuggets, it never hurts to run a detector over your tailings pile when your done for the day. I pulled the grizzles on mine and put in a punch plate I made to hopefully better deal with the sharp decomposed bed rock I deal with in some areas but have not had a chance to try it out yet.
    russau and gmn0000 like this.

  5. #5

    Oct 2019
    4
    All Types Of Treasure Hunting
    Quote Originally Posted by akflyer View Post
    Every few scoops just grab a scoop from the tailings pile and dump it back through. Doc shows this on his videos. I have tested mine and the losses I found were not worth trying to recover. If you are in an area known for big nuggets, it never hurts to run a detector over your tailings pile when your done for the day. I pulled the grizzles on mine and put in a punch plate I made to hopefully better deal with the sharp decomposed bed rock I deal with in some areas but have not had a chance to try it out yet.
    I wouldn't mind re-running material if it was gravel sized, but the material I ran had a lot of decent sized rocks. I have a hog pan that would make quick work of the tailings, though. Most the gold where I go is fine gold, unless you get to bedrock in the creek. If you get lucky you might get a tiny picker.

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  6. #6

    Oct 2019
    4
    All Types Of Treasure Hunting
    Quote Originally Posted by Goldwasher View Post
    It's gonna Happen. Some water runs down the grizz or screen it will bring some light stuff with it. If its clumps of unbroken material worry more.

    Hi bankers are a necessary tool. But, most times the situation at the hopper coarse tailings area is a shitshow. My least favorite aspect of power sluices.

    Gold is heavy it falls through the Grizz right away. The specks you found were most likely still stuck to something you panned.

    Try running the hopper as flat as you can while still allowing larger material to screen on its own.
    Good point about gold sticking to stuff. I decided to use quick wax on the grizzly's when I got home to help rocks slide easier. I bought a clay claw with the piglet, but the size and flat shape of the rocks kinda hindered production so I took it out for the rest of the day. I'll try it with them in.

 

 

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