Doug M

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Posts posted by Doug M


  1. we run our trommel with a 15 hp gas motor double chain reduction. shaker screen 1inch shaker screen works better than punch plate , lasts forever if you need to change size $300 will probley do it also it cleans out better than punch plate, 45inch opening around the barrel  grizzley on hopper is 5inch, sluice is 24 inch wide 8ft long, lots of water we run 2-3inch pumps, spray bar full length of barrel

    with spray bar in dump hopper, most of the gold is in the 1st 2 foot of the sluice in the angle iron riffles then expanded metal riffles all with minners moss under it all. the gold caught is from flee sh## to nuggets to 3/4 oz. our barrel is and old propane tank

    for free

     

     barrel is 42in x 18 foot we have app 6000.00 in total cost (iron , motor gears , shafts , chain , wheels , screen , sluice , mats , welding rod , torch gas , grinding wheels , misc.  ect.) not time we built it ourselves

    thanks doug :)       im in Alaska running gravel in the central area cobbles down to fines old creek bed benches


  2. We would walk from the creek towards the edge of the bottom the witch rods would cross each time the ground would change. We would dig across with excavator each time were the rods crossed there would be a change in material showing a different channel . The  channels would be from 20ft wide to 200ft wide from 10ft deep to 16t deep. This is in permafrost undesterebed ground with 2ft of muck with blueberry, willow brush, on top wet and dry ground. The rods only cross when the ground beneth changes    we did this for about 600ft up the creek bottom.

    doug