Help me Help you Build a low cost Bazooka miner and prospector gold trap for $150
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Thread: Help me Help you Build a low cost Bazooka miner and prospector gold trap for $150

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  1. #1

    Jun 2012
    9
    7 times

    Help me Help you Build a low cost Bazooka miner and prospector gold trap for $150

    So im not rich but I want a Bazooka miner and Bazooka super prospector! I love the design that the bazooka co. has come up with but there are a few draw backs to the design! The first being the price, and the second being that there is not an easy way to unclog the PVC fluid bed holes when debris enters it and the third is that you must have plenty of flowing water to opperate it with success! So my solution is to build a replica that is almost identical but cost way less!

    Ok lets get started

    I jumped in with both feet and bought a 4x8 sheet of black ABS thinking that I could easily reproduce this Bazooka miner product that everyone is raving about. I watched all the youtube videos that I could find on fluid bed and these Bazookas. I have decided that the miner and the super prospector will fit my needs if it is modified slightly!

    The modifications I see that it needs are 1st the ability to be able to easily clean debris from the PVC fluid bed pipes and 2nd to be able to supply a controlable water flow to the fluid bed in the event I want to use it with a dredge, so my solution is to allow the PVC fluid bed pipes to protrude from the end of the Bazooka and cap them. The fluid bed pipe caps will allow me to A clean the pipes and B pump water to the fluid bed when I use it with a dredge or high banking.

    Building the miner only takes slightly more than half of the 4x8 sheet of ABS and all of the pieces have been cut bent and all but welded up.

    Here is where the "help me help you" part comes into play!

    I need help! Im new to gold prospecting and I found that I like the bazooka miner but I can't afford to pay $300 for one plus shipping. So what I did is I bought a 4x8 sheet of abs plastic in 3/16 size. I have a plastic welder and I have already figured out the the length and width of the unit and have bent the outer shell. I still need some measurements though and I have looked for three days on the net but i have had no luck finding them.

    1st measurement i need is the height of the top of the long bed from the bottom of the bazooka.
    2nd measurement i need is the height from the top of the short bed to the bottom of the bazooka.
    3rd measurement I need is the diameter of the pvc pipe used.
    4th measurement I need is the width of the holes in the PVC and also how many holes per pipe. ( also need to know if there are any holes that face down and if so how many )
    5th measurement I need is how far off the bottom of the fluid trap is the bottom of the pvc.
    6th measurement I need is how high is the dam/over spill wall at the end of the bazooka.

    I was assuming I need 3/4" pvc but im not sure?
    I also made an assumption that the dam/overspill wall was 3 and 3/8" tall? But im just not sure and I didn't want to start welding the box together because I assumed so. Any help would be greatly rewarded by the Gold karma gods. I am also assuming that there is a vertical support strip in the middle of the long bed between the long bed and the bottom of the bazooka.

    I have not welded anything up yet I just used adhesive foam blocks to hold up the beds and get an idea of the position of the beds. ( I only tacked the end dam/over spill wall in place. ( the dam / Over spill wall has holes in it because I am letting the fluid bed pipes protrude so that i can screw on clean out caps.

    I have scoured the internet but I have not found pictures of the inside of the miner, so if some one will post them I would be in your debt and everyone else that wants to buy the ABS plastic sheet can make two Bazookas for less than $150

    For the hole count in the pvc in the Bazooka miner all you would have to do is stick a flash light in the intake side of the bazooka facing the light towards the pvc ( pictured below ), then use a mechanics mirror in the open slot at the end of the trap and count how many holes are are in the pvc. ( you would really only need the mechanics mirror to view the very last holes closest to the end of the trap) The light should light up the holes nicely and you should be able to see if there are any holes that face down.

    To measure the diameter of the holes in the pvc use a piece of putty or clay and place it on the tip of a stick then put the stick in the open slot at the end of the bazooka and lightly press it against one of the holes to leave the impression of the hole in the putty or clay. Remove the stick with putty and measure the diameter of the hole impression.

    The rest of the measurements should be easy as pie!

    I have enough plastic left over from the 4x8 sheet of abs to make a super prospector too so feel free to count the holes in your prospector if you want I will need those too!

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    Last edited by gqlikeu; Jul 30, 2013 at 02:15 AM.
    BGTMnr, davin and Thurman like this.

  2. #2
    us
    Jun 2012
    Caldwell, Idaho
    1,017
    410 times
    Prospecting
    From my observation you have to many pipes and the pipes may be on the small side, the idea of a fluid bed is to get the lite material to fluidize so that the water/material coming in can wash/replace it out. I ran the prospector as a dredge and I will tell you that you do not need any kind of elaborate setup. Matter fact just some couplers and pipe/fitting and a simple ball valve just cracked open (water just trickling out the end) does the trick, otherwise you blow out gold. I learned the hard way.

    If I remember right the prospector had three 1/2" ID pipes.
    Good luck and it looks good so far.

  3. #3

    Jun 2012
    9
    7 times
    so far It's been confirmed that the miner has 5 pipes in it. The pipes I used were schedule 80 with an ID of 3/4 and I feel very confident that you are right about the size being 1/2 but it is still just an assumption at this point and would really like some one with a miner to measure them for my peace of mind so that I will be able to sleep at night . Yes I do realize the the fluid trap needs little pressure and that is why if I use it as a highbanker or dredge and have to pump water into the pipes (it will not be in the water while in use) I will use a valve to control flow and pressure. The biggest reason why I want to have the ends protruding is to be able to clean out the pipes. At this stage in the game I can certainly switch to the 1/2 pipes as I have not welded anything up yet. ( i would like to confirm that the miner does for a fact have 1/2" pipes though)

    Yes the prospector has three 1/2" pipes and I need the hole count for them along with the hole diameter, if you would be so kind as to get me a hole count for the prospector and see if there are any holes that point to the bottom of the fluid bed and also look to see if the holes are staggered then everyone that reads this post would be thankful of your help

    Thank you for your reply to this post Im going to get the 1/2 inch pipes today for the prospector.
    Last edited by gqlikeu; Jul 30, 2013 at 12:32 PM.

  4. #4
    us
    Jun 2012
    Caldwell, Idaho
    1,017
    410 times
    Prospecting
    I sold it a few months back as it really didn't work all that good for dredging/highbanking.

  5. #5
    us
    Newbie Prospector

    Mar 2013
    Mexico, MO
    20
    10 times
    Prospecting
    Hey GQ,
    First off, take it from my experience, build yourself a prototype out of cheap plywood. That's what I did and it just happened to work very well and I now plan to build a GT out of 16ga aluminum in the near future. (and yes, there are some changes I'm going to make as a result of using my prototype).
    Go to this link, My Diy Fluid Bed Gold Trap Sluice, to see a very long thread by "GoodyGuy" on building a gold trap sluice. Don't depend too much on the Bazooka design. It is decent, (yet overpriced), and there are a lot of upgrades that need to be worked into it that would make it a "Super Sluice". My first GT, (not near as large as your's), worked like a champ and helped me figure out, (with the help of GoodyGuy and all his cohorts in the link I posted here), what I need to do when I build my "final" version.

    Good luck, quit frettin', and get some sleep...
    Thurman likes this.

  6. #6

    May 2005
    St. Louis, missouri
    5,847
    4469 times
    id forget about the hotair welder and just use the ABS adhesive sold at Home Depot or lowes hardware stores. cheaper and easier, plus the ABS adhesive when cured/dried, itll never come apart! plus if you bend this 3/16 ABS cold, do it very slowly,because itll form small cracks in the edge. if you see some cracks forming, slow down your bending and once bent, apply a small amount of the ABS adhesive along the crack on both sides to prevent further cracking.ans use clamps or weights to hold the 2 peices together untill the ABS adhesive cures. itll never come apart!
    Thurman likes this.

  7. #7

    Jun 2012
    9
    7 times
    Quote Originally Posted by russau View Post
    id forget about the hotair welder and just use the ABS adhesive sold at Home Depot or lowes hardware stores. cheaper and easier, plus the ABS adhesive when cured/dried, itll never come apart! plus if you bend this 3/16 ABS cold, do it very slowly,because itll form small cracks in the edge. if you see some cracks forming, slow down your bending and once bent, apply a small amount of the ABS adhesive along the crack on both sides to prevent further cracking.ans use clamps or weights to hold the 2 peices together untill the ABS adhesive cures. itll never come apart!
    Thats good to know about the PVC adhesive from Home Depot because I was not looking forward to using the plastic welder on it! However the plastic welder allowed me to evenly heat the area that was to be bent before I bent it.
    russau likes this.

  8. #8
    us
    Author of a book about finding gold in Colorado

    Jan 2012
    Summit County, Colorado
    Grizzly Goldtrap Explorer & Motherlode, Gold Cube with Banker on top, Bazooka Goldtrap sluices, Angus Mackirk Expedition, Gold-n-Sand Xtream Hand pump
    6,784
    10626 times
    Prospecting
    Quote Originally Posted by gqlikeu View Post

    Thats good to know about the PVC adhesive from Home Depot because I was not looking forward to using the plastic welder on it! However the plastic welder allowed me to evenly heat the area that was to be bent before I bent it.
    Uh, no, not PVC adhesive...gotta, just gotta, use the right glue for the job when it comes to plastic!
    Thurman and GoldpannerDave like this.

  9. #9

    Jun 2012
    9
    7 times
    Ok ill call piedmont plastics in the morning to have them advise me on their recommended commercial adhesive. Im just not looking foreword to heat welding it with the gun that I have. I know that the proper adhesive will melt the plastic together.
    KevinInColorado and russau like this.

  10. #10

    Aug 2015
    NW USA
    GoldBug
    7
    2 times
    Prospecting
    Hey gqlikeu,

    Awesome looking sluice you've got going! Did you ever figure out the rest of the dimensions? I'm thinking about maybe doing a DIY BGT 48" Miner as well.

    How did it perform?

  11. #11
    us
    Nov 2014
    Northern California
    White's TDI SL, Fors Gold+, Gold Monster 1000, 36" Bazooka Prospector, 30" Bazooka Sniper.
    321
    468 times
    Prospecting
    Just thought I'd suggest that you might want to make a removable trap. I've seen one a guy made one out of plexiglass to see how the fluid bed was doing and he built a removable trap. It would be a lot nicer for a larger bazooka type sluice so you don't have to remove it and setup again if you wanted to do a cleanout and check how you were doing.
    GoldpannerDave likes this.

  12. #12
    us
    Aug 2014
    New Smyrna Beach, FL
    Minelab Xtera 70
    103
    131 times
    All Types Of Treasure Hunting
    Hey gqlikeu,

    Really? Believe it or not this is a POSITIVE post - and of course is only my humble suggestion. Save your time and plastic for other projects. Just go find the money to buy the Bazooka you want. It will be the cheapest and BEST alternative in the short and long run. Save your creative juices for other prospecting projects. I am all for trying to make the next conceptual leap beyond the Bazooka. But why just make an inferior copy of a proven, well executed design. One that belongs in a design and manufacturing museum!

    Really, if you must, take Greenerlumber's advice and make a simple wood prototype - while you wait for the real thing in the mail.

    But.......I know you are going to do it anyway. This advice is really for the next guy who thinks he can build a less expensive Bazooka; ....and end up with a Bazooka.

    Good luck, best regards, Thurman
    Last edited by Thurman; Aug 12, 2015 at 11:53 PM. Reason: just typo

  13. #13
    us
    Aug 2004
    Olympia WA
    Minelab Xterra 70, Minelab SD 2200d, 2.5", 3", 4"and several Keene 5" production dredges, Knelson Centrifuge, Gold screw automatic panner
    858
    1870 times
    Prospecting
    Old School Bazooka
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    Last edited by Bonaro; Aug 13, 2015 at 12:34 AM.
    GoldpannerDave and Aufisher like this.

  14. #14

    Aug 2015
    NW USA
    GoldBug
    7
    2 times
    Prospecting
    Coming along nicely in SolidWorks!

    Click image for larger version. 

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    Last edited by BGTMnr; Aug 13, 2015 at 07:13 PM.
    LeRoux likes this.

  15. #15
    us
    Dec 2012
    Concrete, WA
    Nokta FoRs Gold, a Gold Cube, 2 Keene Sluices and Lord only knows how many pans....not to mention a load of other gear my wife still doesn't know about!
    3,520
    6087 times
    Prospecting
    gqlikeu: WHY are you trying to make money off of someone else's hard work?

    This is more typical of what the Chinese do...they take a product that someone
    else has invested their time, money and effort into in order to make it successful,
    and then they just copy it with perhaps a very minor difference so they can call
    it their own..that, or they just label it as the original and sell it to unsuspecting
    buyers.

    When I saw the title of this I have to say I was a bit shocked...to come right
    out and say you're going to copy a proven design and then try to make money
    off it...well...there is no honor in that whatsoever.

    Bazooka designed, engineered, built and marketed a damn near perfect fluid bed
    sluice, and it honestly chaps my arse to see others try and capitalize on their efforts to
    make money for themselves.

    Thurman nailed it...go buy yourself a Bazooka.

    No doubt some would disagree; it's just my humble opinion.
    Mike (aka Dizz)

    "If you love wealth better than liberty, the tranquillity of servitude better than the animating contest
    of freedom, go home from us in peace. We ask not your counsel nor your arms. Crouch down and lick
    the hands which feed you. May your chains set lightly upon you, and may posterity forget that you
    were our countrymen." ~~ Samuel Adams, 1776

    Dizzy's Super-Simple, Universal Rule of Forum Conduct: Don't be an ass.

 

 
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