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There is so much that goes into building a machine like this.  If you are looking at making one a simple instructable isn't going to help you.  This is more for the serious hobby miner with some fabrication skills.  In looking at our machine you can see hands down the smallest (on youtube anyway) proven water pulse concentrator, some of the issues we deal with that don't scale down properly and how we overcame them.  I will amend this instructable at the end of the mining season 2013 to showcase the newest changes and how they work.  Buzz me a PM if I haven't done it by say October.  In the videos in this instructable they start oldest and work forward so you can see what we did along the way.
What copier make did you get the gearbox out of? And is that starboard you used on the sidewalls of the concentrator? Smart of you to add two cleanouts, one on each side. I made a trommel for my garden this year, and I'm wondering how to configure the motor/belt so it doesn't get clogged. This was helpful! Thank you! If you get around to plans, let us know!
Boy I don't remember but it was huge and very old. It is pvc sheet we get from a local scrap plastic recyclers. Wood swelled no matter what we coated it with.
It would be nice to see a lot more recycled scrap plastic for projects like this...I'm sure we create enough trash to satisfy a demand for recycled raw materials. Great job. ;.)
1) WOW! <br>2) That tire-made diaphragm is awesome. <br>3) Do you get enough gold to justify the expenses? <br>4) You gave me an idea for a pedal swarf extractor in my workshop! <br>5) Thanks for sharing. <br>6) Thanks for the subtitles in the video.
#3 No, but our joy is in the building, hunting and time spend together. Maybe some day we will hit the sapphire mother load.

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Bio: I am a teacher who enjoys environmentally responsible woodworking. Most evenings will find me in the shop working with my three year old son Shay ... More »
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