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Thread: SHOP VACS FOR MINING

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  1. #1
    jog
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    jog

    Nov 2008
    Tillamook Oregon
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    SHOP VACS FOR MINING

    I have a claim that is an old hydraulic mine, it has very good bedrock with about a foot of overburden on it in most places. I have located two different spots where there high pressure water washed the overburden to the sluice box. I have tested the overburden all the way down to bedrock and have color throughout all the way to bedrock. There is no way to get water up to this location so I have been thinking of using a large shop vac and my generator to start cleaning off the bedrock in the area's I have tested. I would some how set up the shop vac so it would be in the back of my truck, I would keep dumping it until I have a pretty good load then go down to a holding pond that is at the other end of the claim where I could run it through my trommel. I am looking for ideas for the shop vac part of it because I'm sure there are some great ideas out there.
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  2. #2
    us
    This isn't a hobby! It's hard work!

    Feb 2013
    Douglas, AZ
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    What about setting it up so you have a section of flex hose on each end with PVC in the middle to prevent it from collapsing over a longer distance? Flex from the vac in the truck to the PVC then back to flex at the working end. I'd also put something over the working end to prevent large rocks from clogging you up. Make the screen removable so you can add a crevice tool for cleaning out the cracks in the bedrock.

    As far as the actual vac goes... Get the most heavy duty one you can get your hands on! It might be pricey at first but it will pay for itself in the long run. Lowes carries a 16 gallon / 6.5 HP one for about $180.00

    since most shop vacs have a filter and as we all know filters like to clog up when hit with fine dust (something i'm pretty sure you're going to be sucking up) Take a regular vag bag and place it over the filter. Hold it in place with rubber bands. Every time you dump the vac, take the bag off and shake it out really good before you put it all back together. That will help save your main filter and keep the suction up over the long haul.
    Last edited by goldenIrishman; Nov 04, 2013 at 02:51 PM.
    http://www.mylandmatters.org/
    The one stop place for mining matters on public lands!

    "Those that make peaceful revolution impossible will make violent revolution inevitable" John F. Kennedy

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  3. #3
    us
    Nov 2008
    Pikes Peak
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    In my younger years , I vacuumed alot of gold off of a false caliche bedrock in New Mexico, it worked great ,would then take the dirt back to run through a drywasher and then a camel. I dont know if you can still find/buy one ,but we had a backpack shopvac with a 5 gallon bucket attached to it,we would throw it on and vac right up the drywash. Good luck !!

  4. #4

    Nov 2013
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    I use this little guy and just dump the contents into a 5 gallon bucket. They take the standard Dewalt rechargeable batteries so if you have a couple of batteries you can swap out while one is charging.

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    wingmaster likes this.

  5. #5
    us
    This isn't a hobby! It's hard work!

    Feb 2013
    Douglas, AZ
    Mk VII eyeball terrain reader. Had to return the MineLab :(
    1,483
    1401 times
    Prospecting/Mining and protecting our rights to do so.
    I'm not sure, but I think jog had something a bit more "Industrial" in mind.
    http://www.mylandmatters.org/
    The one stop place for mining matters on public lands!

    "Those that make peaceful revolution impossible will make violent revolution inevitable" John F. Kennedy

    When I joined the Army I took an oath to protect this country from enemies both foreign and domestic. To the best of my knowledge I've never been relieved of that oath and will continue to follow it to the best of my ability.

  6. #6
    jog
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    Nov 2008
    Tillamook Oregon
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    Thanks for the great suggestions, and yes I am thinking of moving a lot of material. A lot will be done with pick and shovel but it's the last few inches and those cracks that I really want to get. What happens if you were to run one without the filter? Also I can put my truck right on top of anything I want to do so getting close is not an issue.

  7. #7
    us
    Feb 2012
    Prather CA
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    Could you doze the overburden into piles and then use the vac to work the bedrock. Once you highgrade the area, you would always have the piles to either haul out and run, or drywash, or recirculate. Just a thought as I have no idea how big a area you are working.
    "The most inspiring thing about gold, is not the value, but under magnification, the true beauty of each piece. They are truly like snowflakes that never melt." Oakview2 Fly EAGLE Fly......

  8. #8
    jog
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    jog

    Nov 2008
    Tillamook Oregon
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    This is the area that I will be starting on, I would like to clean everything back to th face on the left of the pic.
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  9. #9
    us
    Cpt. Herb Bussell

    Dec 2012
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    Looks like a great spot to drywash.
    GT..........

  10. #10
    jog
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    Nov 2008
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    I have never dry washed before but I've seen it done, the dirt at this site feels and looks like volcanic ash so maybe that would work? I am hoping to bring in a mini excavator to help get me back to the old channel gravel.
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  11. #11
    Charter Member
    us
    Minning Tools: 12" Trommel, Royal Drywasher, Viper-Vac, Miller Table, Blue Bowl, Footprints, Google Earth, These Are Just Tools As You Still Have To Be On The Gold

    Sep 2012
    Arizona - Is there any other state worth visiting in the southwest?
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    Drywashing the soil needs to be dry. Looks somewhat damp and with winter coming on drywashing will not work.
    “He who builds their own equipment has a better understanding of what works and what does not work”



  12. #12
    us
    Feb 2012
    Prather CA
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    Finding GOLD
    Looks like a great claim, good luck and good hunting. I forgot you were in Oregon, so the soil will probably not dry out enough to drywash....
    "The most inspiring thing about gold, is not the value, but under magnification, the true beauty of each piece. They are truly like snowflakes that never melt." Oakview2 Fly EAGLE Fly......

  13. #13
    us
    Cpt. Herb Bussell

    Dec 2012
    29 palms Calif
    fisher gold bug
    500
    648 times
    Prospecting
    Quote Originally Posted by jog View Post
    I have never dry washed before but I've seen it done, the dirt at this site feels and looks like volcanic ash so maybe that would work? I am hoping to bring in a mini excavator to help get me back to the old channel gravel.
    if its not real moist you can make row piles dry it out, and run your material twice that's what I do.
    if your gold is heavy, it should drop out no problem.
    They are fun little tools and its always worth a try...

    Cpt Herbs Desert prospecting tips.
    Last edited by gold tramp; Nov 04, 2013 at 09:49 PM.

  14. #14
    us
    Feb 2010
    Black Hills, South Dakota
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    When using a vac go as short as you can for two reasons. First the shorter the suction hose, say no longer than 6 ft the better the suction will be. Too long and you will build up static electricity if there is fine dust being vaced up. Also never use PVC in a vac operation. The static will build up in it to the point that the PVC could explode. I have seen it happen and I have also seen where the static jumped from the PVC and hit a fellow and knocked him out. Not a good system to use. Gounding doesn't help much either.
    Nice Looking claim Jog. Looks like real good material. I also have a former Hydro claim. Nice not having too far to bedrock.

    Good Luck!

    BH Prospector
    gold tramp, Jeff95531 and 63bkpkr like this.

  15. #15
    jog
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    jog

    Nov 2008
    Tillamook Oregon
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    I think my best bet is to pick up the material and clean the bedrock real good, then haul it down to the pond where I will use my trommel. Does anyone know if running a shop vac without the filter will cause gold to be lost?
    It's about a half mile drive down off the high bench to the pond at the other end of the claim. Here is a pic looking down to the pond from the high bench.
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