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  1. #1
    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
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    Need Help Please

    Building a dry washer powered by a leaf blower and would like to know how you do the the fan part?
    Best way to get the vibration?

    And why not just have the base of the angle riffle heading up the sluice instead of trailing so it would create it's own dead air space?
    Also how do you control the material flow from the hopper to the sluice?
    I'm going to use a v shaped hopper.

    Thanks,
    GG~

  2. #2
    us
    Nov 2006
    AZ
    ML 4000-ML X70
    49
    6 times

    Re: Need Help Please

    Hey GG,
    Get a hold of FrankC, I am sure he will have answers to your questions.
    Bunk
    Its all about the exploring!

  3. #3
    us
    Mar 2003
    Redding,Calif.
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    Re: Need Help Please

    Simply copy a Keene as they copied my units and elliptical offset weights create that righteous panning action you can never attain with a hump a bump piece a antiquated junk-John

  4. #4
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
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    Re: Need Help Please

    doesnt keene just tack weld a nut to one of the fan blades towards the middle offset a little to make it off balance?

  5. #5
    us
    Nov 2006
    AZ
    ML 4000-ML X70
    49
    6 times

    Re: Need Help Please

    Quote Originally Posted by Hoser John
    Simply copy a Keene as they copied my units and elliptical offset weights create that righteous panning action you can never attain with a hump a bump piece a antiquated junk-John
    Wow John, that was harsh! I have both types and I know my 151 will kill two men and a boy, but a puffer does do a pretty good job if conditions are right. For one guy that just wants to get out and have a good time, a puffer will do a good job if you learn how to use it, and they are cheap to. I can get mama to carry a couple of buckets for me but she ain't helping with no blower or large drywasher!
    Bunk
    Its all about the exploring!

  6. #6
    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
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    Re: Need Help Please

    Quote Originally Posted by pvillehunter
    doesnt keene just tack weld a nut to one of the fan blades towards the middle offset a little to make it off balance?
    I think you are right, but then there is no way to adjust how much vibration you get.

  7. #7
    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
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    Re: Need Help Please

    Quote Originally Posted by Hoser John
    Simply copy a Keene as they copied my units and elliptical offset weights create that righteous panning action you can never attain with a hump a bump piece a antiquated junk-John
    There are no Keene drywashers, or any other brand for that matter, in Southern Indiana for me to copy off of.

  8. #8
    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
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    Re: Need Help Please

    Quote Originally Posted by Hoser John
    Simply copy a Keene as they copied my units and elliptical offset weights create that righteous panning action you can never attain with a hump a bump piece a antiquated junk-John
    Thanks for the info
    I found Keene's patent complete with diagrams:
    http://www.freepatentsonline.com/4615797.pdf

  9. #9
    us
    Apr 2009
    Murrieta Ca
    Tesoro Silver Sabre, Tesoro Lobo Super Traq
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    Re: Need Help Please

    On my home made fan I used a fart fan about 5" in diameter. I drilled a 5/16" hole in one blade and mounted a couple washers on a bolt and nut. With a leaf blower running about half throttle it shakes the box really well. I first drilled out the center of the fan blade to recieve a bearing from a kids scooter. I drilled the hole and then carefully filed it to fit the bearing nice and snug. I added a bead of silicone around the top and bottom of the fan blade where it meets the bearing and let it dry. Because the bearing came off the scooter, I also used the spacer and the mounting shaft, or actually axel from the front wheel. The mounting bracket is where it got tricky. I was lucky to find a preformed part at the local recycle yard. Drilled that out to mount the fan assembly shaft, and then riveted it to the bottom of my riffle box. If you would like detailed pix, pm me and I will either post them or send them to you. Best of luck on your endeavor, oh...and if you can find a friend with a washer to borrow it is much easier to set one next to you and copy it than to build one from prints.
    www.Hamiltontileandstone.com

  10. #10
    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
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    Re: Need Help Please

    Quote Originally Posted by Jack Hamilton
    On my home made fan I used a fart fan about 5" in diameter. I drilled a 5/16" hole in one blade and mounted a couple washers on a bolt and nut. With a leaf blower running about half throttle it shakes the box really well. I first drilled out the center of the fan blade to recieve a bearing from a kids scooter. I drilled the hole and then carefully filed it to fit the bearing nice and snug. I added a bead of silicone around the top and bottom of the fan blade where it meets the bearing and let it dry. Because the bearing came off the scooter, I also used the spacer and the mounting shaft, or actually axel from the front wheel. The mounting bracket is where it got tricky. I was lucky to find a preformed part at the local recycle yard. Drilled that out to mount the fan assembly shaft, and then riveted it to the bottom of my riffle box. If you would like detailed pix, pm me and I will either post them or send them to you. Best of luck on your endeavor, oh...and if you can find a friend with a washer to borrow it is much easier to set one next to you and copy it than to build one from prints.
    Great info Jack!

    A picture of the mount would help. No one I know in my area has a dry washer, everything here is wet, great for either highbanking or dredging.

    I am building this for my trip to AZ the end of October so I am anxious to get started. I have most of it figured out already but am a little hazy on some of the finer details.

    Thanks for your help,
    GG~


  11. #11
    us
    Apr 2009
    Murrieta Ca
    Tesoro Silver Sabre, Tesoro Lobo Super Traq
    186
    21 times

    Re: Need Help Please

    Here is my own version of the fan set up. I haven't installed this yet, its actually an extra I made and have not added the nut and bolt yet. I think its the second pic that shows one blade marked with an "X". I determined this to be an ideal blade after watching it spin to put the weight on. The mounting bracket design will work if any sturdy material is used. I was fortunate to simply find this at the recycle yard. This should give you some ideas. The bearing, spacers and shaft are all from a childs scooter, the front wheel to be specific. It is shorter than the back wheel. Hope this helps and best of luck.

    One other thing, if time is running out you can buy one from keene for around $30 and it is very simple to install.
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    www.Hamiltontileandstone.com

  12. #12
    us
    Apr 2009
    Murrieta Ca
    Tesoro Silver Sabre, Tesoro Lobo Super Traq
    186
    21 times

    Re: Need Help Please

    One thing that may be of help, I didn't show the scooter. Its the front wheel off of one of these toys. You can find them at many yard sales. Pull the bearing out of the rubber wheel and save the two bolts, two spacers and one bearing, if you should choose to make your own fan assembly that is. Good luck
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    www.Hamiltontileandstone.com

  13. #13
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell, AZ
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    Re: Need Help Please

    Poor scooter. Poor kids. Kids, KIDS! Grab your scooters and run for your lives! TTC
    In the clearing stands a boxer and a fighter by his trade. And he carries the reminders of every glove that laid him out or cut him 'til he cried out, in his anger and his shame, "I am leaving . I am leaving" but the fighter still remains. The Boxer Simon and Garfunkle

  14. #14
    us
    Arizona Ames

    Dec 2008
    Michigan
    MXT, TDI, Whites Dual Field, Goldmaster VSAT, Fisher CZ 21
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    Re: Need Help Please

    You can adjust the amount of vibration, flow rate, and angle with the 151. I really like the Keene 151. Nice design.
    Arizona Ames

  15. #15
    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
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    Re: Need Help Please

    Quote Originally Posted by Jack Hamilton
    Here is my own version of the fan set up. I haven't installed this yet, its actually an extra I made and have not added the nut and bolt yet. I think its the second pic that shows one blade marked with an "X". I determined this to be an ideal blade after watching it spin to put the weight on. The mounting bracket design will work if any sturdy material is used. I was fortunate to simply find this at the recycle yard. This should give you some ideas. The bearing, spacers and shaft are all from a childs scooter, the front wheel to be specific. It is shorter than the back wheel. Hope this helps and best of luck.

    One other thing, if time is running out you can buy one from keene for around $30 and it is very simple to install.
    Thanks Jack,

    My drywasher is almost finished thanks to your generous help. Decided to make the fan blade myself, I constructed it from a 6" duct damper (comes with a short threaded rod attached at one end) and then cut it to match your pic with the threaded rod centered at the end of one of the blades, put a heavy nut on it and it works perfect!

    Went through my scrap pile and found a great mount for it too! Bought the duct damper at Home depot for $3.95 not bad for how well it performs.

    I decided to use two rubberized plastic kitchen trash cans one for the hopper and one for the sluice, that ought to cover the electrostatic part. The riffle tray of course is made from aluminum and I made the stand from a 2x4 that I ripped into 3/4" x 1-1/2" x 48" struts.

    I also am going to experiment with using a perforated (tiny steam vents) aluminum steam diffuser from a discarded grid plate from one of the steam presses at my wifes dry cleaners, instead of using cloth covered screen. Will have to see how that works out, but in my mind it should be an improvement over the traditional cloth covered screen diffuser. You would have to see it to appreciate the design, the steam vents are not holes that go straight through. Imagine a tiny dent with vent holes coming through two sides of the protruding part of the dent. then imagine about a hundred of those per square inch. If this works like I think it will, using, and replacing, the cloth will become a thing of the past.

    So far total cost including 3" quick connector and 10 foot of 3" RV discharge hose is just over $60, I will post pic's when it is complete.

    And Jack, for the help you have given, I will be happy to send you some gold from my first batch of concentrates.

    Thanks again,
    GG~

 

 
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