What do you think about this?

[nickmarch]

What do you think about these?

 

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[jcazgoldchaser]

"patent pending"

[edit]I think these guys might have issue,..

http://www.ecologics.co.nz/downloads.php

 

[russau]

there shouldnt be any issue! its just different enough!

 

[jcazgoldchaser]

there shouldnt be any issue! its just different enough!

Sorry, what's unique about this elutriation tower? There was another, smaller 'patent pending' unit which looked to be made of abs drain parts a month or so back. It seems to have disappeared.

 

[nickmarch]

I think the hydrocon is a good piece of equipment. I think they are running too much water thru and that it would be more effective running less water.

The second funnel/trommel pictured looks effective too. Anything that will help contain the gold and stop it from running off is worth trying.

I'm making something similar to both. It's a very large funnel with water pumped in from the bottom of the funnel very slow. Enough water flow to keep the material stratified and no more. I'll take a video of it when I test it.