Need advice - building a fluid bed sluice

[russau]

I gotta agree !! GG makes some nice stuff!

 

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[Au dave]

Spill it, Goldwasher!!

Kidding, sort of. I assume two rows of holes at 5 and 7 o'clock? Or thereabouts? I did mine like goodguy, holes at roughly 5, 6, and 7 oclock. But I did use a different pattern. I calculated the area of the tube inlet based on the ID of the 1/2" PVC I used, and then figured out how many 1/8" holes I could drill per tube, so that the total area of the holes was less than the area of the inlet. It was around 20 or so. I drilled all those holes, and then during testing, ended up plugging some up. I think the total number of holes I left open per tube was around 12 or so. My Bazooklone Prospectror seemed to catch the gold just fine.

I found the same with my "garbzook" too many holes after calculating the amount ... ended blocking all but 3 holes in the 6 o'clock rows

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