Anyone make a 4 foot gold pan for fines?

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Anyone make a large gold pan for fine materials and what is your experience?
In my case I'm going to make a 4 foot diameter gold pan from a wagon wheel rim as the foundation. Will put a 16" steel pan in the center where the materials come in first.
 
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RTR

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Why soooo big ???
 
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Why soooo big ???
It is about feed rate and some scrubbing action before discharge. More important can keep the dust down if running dry. More flushing action of the fines without blowing out if wet.
 
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If I make this setup two stage I should be able to check the top 16" pan for values on each run. I'm thinking of running dry so that the materials can be re-run through the impact mill etc. very easy.
 

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Like this?
 

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Looks like I will build a 16" steel pan model first as I have the steel pan and the two direction shaker to make it. I will have to make a sheet metal cover and catch pan to make it work.
 
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Made some progress on the 16" steel set up. Now have a second hand galvanized tub to set the 16" pan in. Have part of the stand for the pan to rest on in the tub. Will experiment with different shaker platforms next.
I'm thinking of fabrication of a sheet metal top cover next as well.
One step at a time.....lol.
 
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I forgot I also found a pellet stove auger core secondhand that will work to feed the pan setup. Will have to come up with the pipe for it.
 

arizau

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Look up the Sweep Jig built by Idaho JIm
Thats "Jim in Idaho" and the sweep jig is an excellent alternative to dry panning IMO. It will save the heavy fines/black sands, etc and continuously classify off waste while in operation.
 
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Thats "Jim in Idaho" and the sweep jig is an excellent alternative to dry panning IMO. It will save the heavy fines/black sands, etc and continuously classify off waste while in operation.
Yes very interesting process for both course and fines.
I'm still thinking of shaking the 4 foot pan.
 
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Got lucky at a second hand store yesterday and picked up 3 ten inch finishing plastic pans for $3.00 total. I will stack two pans together with spacers so that the discharge from the first pan will feed into the second pan as a finishing collector sitting on top of a shaker or maybe a rocker motion.

Also picked up a frozen lab test tube / large glass rocker that is machined from steel for the moving parts and aluminum cast frame (it was sitting out in the rain for 20 years or so). Looks like this setup was designed for up to 75 lbs. sitting on it. If I get it all working would make one heck of a rocker that is variable rocking motion with a lever to control the amount of rocking action.
 
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a kid somewhere is looking for his wading pool.
A kid would have a hard time standing up in my shaking pool.......lol
Also the frame pool (wagon wheel rim) dates to before 1902 - 1898 time frame.
 
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Got any pictures of this contraption you are building?
I can take a picture of just the wagon wheel rim at this time. Maybe a picture of the 1 1/4" shaft and bearings (Bronze) that I had a machinist make way back. The shaft has a 2 3/4" through to it and it will shake very well. Will have to likely bolt the whole contraption down on some large logs to prevent jumping around.
 
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I would like to try this contraption dry first and then wet.
 

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