American Buffalo Reverse Helix Trommel for gold mining prospecting

 The American Buffalo is a complete mining station that takes you from raw material to nice clean gold in one single process. Simply add your material to the hopper and let the American Buffalo do the rest! Here is what happens to the material as it is processed through the American Buffalo: Material is added to the hopper where it is washed.  The washed material flows down into the Reverse Helix barrel where the magic begins. The barrel is 33 inches long, 7 inches wide and has a 45 foot Reverse Helix Screw inside giving the material plenty of processing time to capture all of the gold. Once inside the Reverse Helix barrel, the material is continuously washed by a full length spray bar to keep it in a slurry. This allows the lighter material to wash out the back into the waste bucket while the heavier material stays in the grooves of the reverse helix screw and works its way to the front. When the heavier material reaches the mouth of the trommel barrel, it drops off into a standard 12