My Trommel Build for Gold Cube
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Thread: My Trommel Build for Gold Cube

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  1. #1
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
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    My Trommel Build for Gold Cube

    Bought a Gold Cube off Craigslist and decided to build a trommel for it that I could also use on a regular highbanker or over a sluice.

    I have plenty of scrap material leftover from other projects so my out of pocket costs will be pretty low.
    Here are some of the materials I started the project with.......

    31" square sheet of 1/8" punchplate for the drum.
    1/8" thick aluminum scraps and a large 1/8" piece of aluminum sheet.
    (1) 12V motor I had saved from an electric seat off my old car.
    (4) wheels from an old pair of skates.
    (1) 10" diameter stainless steel stock pot that we never used.
    (1) length of 3/4" angle aluminum.

    I have plenty more scraps that will go into the trommel but this is what I'm starting out with for the first part of the build.

    Click image for larger version. 

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    GG~
    Last edited by Goodyguy; Jul 12, 2016 at 10:17 PM.

  2. #2
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
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    Ok so here is what I have made so far with those parts...............

    The basic drum. (cleats will be added to the inside later)
    The trommel frame.
    The hopper.

    Click image for larger version. 

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    The motor mounting and an old pulley I had.
    Click image for larger version. 

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    The reason the motor is hanging down is because I will use the weight of the motor assembly to keep tension on the drive belt.
    I have a few assorted belts laying around and I'm sure I can find a size that will work.

    GG~
    Last edited by Goodyguy; Jul 12, 2016 at 10:18 PM.

  3. #3
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
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    It's starting to shape up ................

    Click image for larger version. 

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    The hopper is held on by wing nuts for easy disassembly.
    Click image for larger version. 

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    I used some anti slip tape that I had and placed it on the drum underneath the belt so the belt wouldn't slip against the stainless steel.
    Click image for larger version. 

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    In order to keep the drum from walking I used an old nylon guide off a sliding shower door that I had kept after installing new ones.
    I had to fabricate a bracket to hold it in place.
    Click image for larger version. 

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    Next I need to go through my pvc scraps and see what all I may need to buy to build the spray bar assembly.......

    GG~
    Last edited by Goodyguy; Jul 10, 2016 at 09:28 PM.

  4. #4
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
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    I had plenty of 3/4" pvc pipe and assorted fittings but had to buy......
    (2) 3/4" ball valves
    four feet of 1/2" pvc pipe
    (1) 1/2" tee
    (4) 1/2" elbows
    (1) 1/2" union joint
    (1) 3/4" union joint
    (1) 3/4" tee
    (1) 1/2" to 3/4" adapter
    The rest I already had as leftovers from other projects.

    Click image for larger version. 

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    Not liking my use of zip ties to hold down the ball valve assembly so that will have to be changed.

    Click image for larger version. 

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    Anyway all I have left to do now is install the drum cleats and then wire and install the control center on/off switch for the pump and the on/off forward/reverse switch for the drum motor. And figure out how to do away with those ugly zip ties

    Go for the Gold
    GG~
    Last edited by Goodyguy; Jul 10, 2016 at 10:00 PM.

  5. #5
    kcm
    kcm is offline
    us
    Feb 2016
    NW Minnesota
    Tesoro Silver uMax
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    Now THAT'S what I call using the ol' noggin!!

    I probably would have needed a larger hopper - but then, my aim was better when young and healthy.

    Can't wait to hear how it works for ya.
    Goodyguy and russau like this.

  6. #6
    us
    Husband, father & fun seeker

    Jul 2015
    utah
    545
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    Prospecting
    Wow! Nice build GG. That trommel is awesome!
    Goodyguy likes this.

  7. #7
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
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    Thanks Utah Mason

    Finished the wiring, on/off/forward and reverse for the drum. On/off switch for the pump.
    Installed cleats in the drum. Modified the spray bar for the hopper.

    I'm ready for the creek now ..........................

    Click image for larger version. 

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    Going to the creek this Sunday to give her a workout and try to find enough gold to help pay the $40 I have in out of pocket expenses
    Most likely will build another drum with 1/4" punchplate or 1/2" expanded for when I'm using it over my highbanker.
    Also thinking about moving the motor to the back of the drum topside of the hopper backplate to eliminate the motor assembly being attached to the top tray of the Gold Cube, that way it will be a completely self contained unit.


    GG~
    Last edited by Goodyguy; Jul 13, 2016 at 12:34 PM.

  8. #8
    us
    retired bumb and part time Hobo

    May 2005
    St. Louis, missouri
    6,524
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    ANOTHER WELL DONE PROJECT !!!! It looks great Buddy!
    Goodyguy likes this.

  9. #9
    us
    Jun 2006
    Out in the hills near wherendaheckarwe
    WHITES, MINELAB, Garrett
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    Nice job!!! You should be proud when your "Mickey Mouse" or "Back yard" project looks better than 99% of the production stuff out there!!

    You gonna give your grandkids their skate wheels back when the seasons over?
    Goodyguy, Asmbandits and russau like this.
    I know it's here, just need a bigger coil!

    I think I know what my last words will be....
    "Hold my beer and watch this!"

    Famous last words "Wow! Is that a meteor?"

  10. #10
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
    6,478
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    I went ahead and modified the drive.
    Got rid of the belt and the motor mount attached to the top tray.

    Not sure why I didn't think of this first when designing the drive apparatus
    A lot easier and not in the area of tailings exiting the drum and no drilling into the cube for attachment.
    Plus now it's a stand alone unit making it much easier to use with a highbanker or sluice.

    Click image for larger version. 

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    Still anxious to try it out on the creek this Sunday
    I did test it out in the back yard as a recirc unit to make sure I had the drum angle set right. Good thing I had added a manual angle adjustment, as I found out that the 1/2" to the foot of drop that I built in was not quite enough even with the angle of the cleats. Turns out that 1" to the foot was perfect for the material I had on hand.

    Go for the Gold
    GG~
    Last edited by Goodyguy; Aug 20, 2016 at 07:38 AM.
    utah mason, russau, Gelmac and 1 others like this.

  11. #11
    kcm
    kcm is offline
    us
    Feb 2016
    NW Minnesota
    Tesoro Silver uMax
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    Your design looks truly inspired! I'm sure it'll work as good as you hope!
    Goodyguy and russau like this.

  12. #12
    us
    Silver Fiend

    Oct 2009
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    Great looking build! I would be happy to put that on top of my cube. It's a beauty and I'd bet it works like a champ too!
    Goodyguy and russau like this.
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  13. #13
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
    6,478
    6823 times
    All Types Of Treasure Hunting
    The field test was a success,
    other than two minor details that I had to address.

    #1 I forgot to take a 1 quart paint filter (works better than panty hose) to put the bilge pump into, so right off the bat I clogged the spray bar.
    Easy fix in the field just had to put the pump into a bucket and submerge into the creek. Used a paper clip to unclog the holes in the spraybar.

    #2 needed a spring to add more pressure to the drive wheel, as the weight of the motor alone was not sufficient to drive the drum under heavy load.
    A bungee cord solved that problem for the day.

    Other than those issues I am impressed with it's performance and happy and satisfied with the build overall.

    * Note to Do it yourselfers
    Make sure that the tumbling cleats end before the grizzly to prevent gold from riding a cleat out of the drum.
    Something I failed to catch on my build until after a few outings.


    GG~
    Last edited by Goodyguy; Oct 11, 2016 at 05:41 PM.

  14. #14
    us
    Dale in FL

    Jun 2016
    Port St Lucie
    CTX 3030 /// Makro Racer
    55
    52 times
    Beach and Shallow Water Hunting
    Do you have a short video of this working in the field, that would be great to see in action, thanks - Dale
    Goodyguy likes this.

  15. #15
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Arizona
    Whites TM 808, Whites GMT, Tesoro Lobo Super Traq, Fisher Gold Bug 2, Suction Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Rock Crushers, Sluices, Dry Washers, Miller Tables, Rp4
    6,478
    6823 times
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    Quote Originally Posted by DaleinFL View Post
    Do you have a short video of this working in the field, that would be great to see in action, thanks - Dale
    Next time out I will record a video and post it here.
    In the meantime here is a photo of the spring tensioner modification......
    The spring is a leftover from our dry cleaning business, used to hold a steam press cover in place.
    Click image for larger version. 

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    *note spring adjustment holes.
    Last edited by Goodyguy; Jul 25, 2016 at 02:47 PM.

 

 
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