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Gold Prospecting
Do It Yourself (DIY) Projects
Building a large capacity High-banker - Instructional video
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<blockquote data-quote="jml" data-source="post: 8457" data-attributes="member: 403"><p>Hi Wal,</p><p></p><p>I am in the process of building a HB according to your design on youtube. I think I have found a source for the straight sided aluminium grate in Fyshwick. It is 13mm thick with a 35mm opening in the grate. It took sometime to find I must say.</p><p>I have been reading Gary Weishaupt's article on sluices and of particular interest are his results of testing the Clarkson riffle (angle 15 dgree set back into the flow) for fine gold recovery. Have you had any experience with these? </p><p>Also with regard to your cut out design on the bread grate why not allow the zig-zag pattern to continue further down the grid? I am trying to understand the theory behind your pattern.</p><p>And when bread grate sits on the mat do you have in such a way that it is pinching down to the base of the matting so as to 'seal' off the flow under the grate?</p><p>Sorry for all the qestions. I think I've watched you youtube a dozen times so as to fill in the gaps of my understanding.</p><p>Regards</p><p>JML </p><p>Jeff</p></blockquote><p></p>
[QUOTE="jml, post: 8457, member: 403"] Hi Wal, I am in the process of building a HB according to your design on youtube. I think I have found a source for the straight sided aluminium grate in Fyshwick. It is 13mm thick with a 35mm opening in the grate. It took sometime to find I must say. I have been reading Gary Weishaupt's article on sluices and of particular interest are his results of testing the Clarkson riffle (angle 15 dgree set back into the flow) for fine gold recovery. Have you had any experience with these? Also with regard to your cut out design on the bread grate why not allow the zig-zag pattern to continue further down the grid? I am trying to understand the theory behind your pattern. And when bread grate sits on the mat do you have in such a way that it is pinching down to the base of the matting so as to 'seal' off the flow under the grate? Sorry for all the qestions. I think I've watched you youtube a dozen times so as to fill in the gaps of my understanding. Regards JML Jeff [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Building a large capacity High-banker - Instructional video
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