DIY Rock Crusher (recirculating mini sluice box)
This is a hammer mill. 12 drum powered by a 200cc 4 stroke gas motor. She eats whatever will make it through the input. I m using four hammers 70 grade steel. Vbelt drive, 1, 4 plate and under 100 pounds. I ve placed a little sluice and head end under the output. 1 water transfer pump drawing from a four chamber recirculating system. Add 60 L (15 gallons) of water and you re down to the heavies. Big thanks to the head welder and consult engineer Ry Guy and the boatyard think tank. ...
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