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Thread: I want to make a vacuum fed drywasher

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  1. #16

    May 2012
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    All Types Of Treasure Hunting
    Quote Originally Posted by Jack Hamilton View Post
    I think I've found a way to make my vac fed drywasher. Check out this video at 3:13 they show how dirt is vacuumed up the mine shaft straight into a truck. Just need to design a smaller portable unit with the same functionality.
    Ever watch dirty jobs?


  2. #17
    us
    Apr 2009
    Murrieta Ca
    Tesoro Silver Sabre, Tesoro Lobo Super Traq
    186
    21 times
    That definitely looks like a powerful vac. The key in the vid I shared was the design of the bucket. It has a counter weight on the door that swings open when the bucket fills, and closes on its own when the dirt falls out.
    www.Hamiltontileandstone.com

  3. #18

    May 2012
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    roof vacuum
    Good part 1:33



    Dry Excavation/Vacuum Excavation/Vacuum Trenching


    Last edited by jcazgoldchaser; Sep 25, 2012 at 01:16 AM.
    elgatodelnoche likes this.

  4. #19

    May 2012
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    Separators



    Out about 2:00

  5. #20
    jp
    Photons

    Mar 2012
    Tokyo & OC
    Google Earth, BS Detector, $$
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    How about some plans?

  6. #21
    us
    Oct 2012
    Palmdale , CA
    Goldbug 2
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    16 times
    Prospecting
    Hello , I have tried & succeded (for a short while) to make a vacuume/drywasher inspired by the "EZ-Pickens" machine , The main problem is the air used to spin the shaker fan has to much fine silt in it & will clog the back side of the drywasher cloth ( must be why EZ-Pickins) used a shaker box insted if a standered drywasher box , I tried to put in a large air filter from a truck but it clogged after a short time & the unit started to get really big & clumsy , So I made a small drywasher that fits into a bucket & is light weight , After a long hike up a canyon to vaccume some "good" dirt carrying a full bucket gets quite heavy , I run the material thru the mini washer & only have to carry the cons back works great . here are some picts. Good luck to all
    Click image for larger version. 

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    Sorry I can't seem to get the Vids to load you can see them on you tube if you want (vids from Alan Cook) minidrywasher

  7. #22

    May 2012
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    Outstanding!!

    Alan's vids:





  8. #23

    May 2012
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    Made me think of an animal feeder?

    Click image for larger version. 

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  9. #24
    us
    Oct 2012
    Palmdale , CA
    Goldbug 2
    22
    16 times
    Prospecting
    Thankyou for your help I can never get the darn vids to load (computer dumness I think)
    Click image for larger version. 

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    This is the clean up after testing the mini drywasher , Not a good place to go metal detcting.

  10. #25

    May 2012
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    Good for you saving all those condors!

    That's gotta be frustrating,..

    Do you have any shots of the vacuum system? Wondering what sort of drop door n stuff you got going on there.


    I just insert link and the forum converts it to utube {I see I have that checkbox selected}.

    What I inserted:
    [ URL="aaa?v=utubevideoID"]aaa?v=utubevideoID[/URL]

    What the forum converted it to:
    [ VIDEO=youtube;utubevideoID]aaa?v=utubevideoID[/VIDEO]

  11. #26
    us
    Oct 2012
    Palmdale , CA
    Goldbug 2
    22
    16 times
    Prospecting
    The main key to keeping the suction working is to have 2 trap doors so only one opens at a time , You can adjust the doors to open when the material gets to a specific weight . I will post a photo but dont let anyone see it "proprietary"
    Click image for larger version. 

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  12. #27

    May 2012
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    511 times
    All Types Of Treasure Hunting
    Quote Originally Posted by xracer550 View Post
    The main key to keeping the suction working is to have 2 trap doors so only one opens at a time , You can adjust the doors to open when the material gets to a specific weight . I will post a photo but dont let anyone see it "proprietary"
    Thanks for that but dang, why didn't I think of that sooner,..


    I really hate it when someone hits me in the face with a fact that's so obvious,..


    I don't see much in the way of dust separation, if you look back a few posts, I posted some woodworking dust separation videos that may help with the clogging issue.

  13. #28
    us
    Apr 2009
    Murrieta Ca
    Tesoro Silver Sabre, Tesoro Lobo Super Traq
    186
    21 times
    Awesome, thanks for sharing.
    www.Hamiltontileandstone.com

  14. #29
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Bounty Hunter's, Whites TM 808, Whites GMT, Suction Dredges, Hand Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Gold Pans, Sluices, Dry Washers, Miller Tables, Rp4 Shaker table etc
    5,448
    4125 times
    All Types Of Treasure Hunting
    Are you sure you are not over thinking this?

    Seems to me that if you want to dredge dry dirt into a drywasher just run the output end of the suction hose into the hopper of the drywasher. No need for trap doors. The hopper already has a flow regulator. Why couldn't you use the same suction nozzle and hose that is used on a "wet" system and just substitute air into the nozzle jet instead of water? Forced air should create a vacuum powerful enough to suction dirt and gravel through the hose and into the drywasher hopper just like water does. You will also need to add a cover over the hopper to keep the blowing dust contained.

    Of course you still run your drywasher blower as a separate unit like you normally do.

    GG~
    Last edited by Goodyguy; Nov 03, 2012 at 06:10 PM.

  15. #30
    us
    Oct 2012
    Palmdale , CA
    Goldbug 2
    22
    16 times
    Prospecting
    I did that but now I would have to carry 2 motors everywhere I want to work , I worked good at home but too much gear to carry around in the field. Mr. Hamilton if you get it pat. let me see what you came up with Good luck!

 

 
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