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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="WalnLiz" data-source="post: 122489" data-attributes="member: 147"><p>G'day Chemstar....I didn't even waste my time responding to your original post, as when you stated the banker was blowing "Pickers", <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /> (which are small nuggets) out the back, I soon realized the banker you was comparing had no place on a gold field at all, as to blow "Pickers" out the back you must have had NO riffles at all in the banker, or had it set up akin to a ski jump. :| </p><p></p><p>We have had several outings on this forum with a large number of bankers present working the same gravels, including standard lazy "L" riffles like yours, Modified Clarkson combinations, Straight Expanded only over Miners Moss like in "Gold Rush Alaskas" mega sluices, and some other pretty innovative concepts. None of these sluices "Blew Pickers" over the back. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> </p><p></p><p>You say the Walbanker creates "Small" vortex's, yet the expanded at 1.6mm high and the the Crate at 1cm high, when combined in relation to the the width and length of the banker, creates a vortex that works optimally for a unit of that size. You say a larger riffle creates a bigger vortex...well that is quite an obvious statement...but it also needs a significantly larger volume of water pressure to clear it as well. </p><p></p><p>It's all about balance, and I don't want to get into a lecture with you about Hydraulic Engineering, as I feel confident that much of the conversation would go over your head, so I'll leave it at....you use what suits you best, and I'll use what has proven successful to me over a very long period of time. Happy High banking and may the gold clog your sluice. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>Cheers Wal.</p></blockquote><p></p>
[QUOTE="WalnLiz, post: 122489, member: 147"] G'day Chemstar....I didn't even waste my time responding to your original post, as when you stated the banker was blowing "Pickers", :o (which are small nuggets) out the back, I soon realized the banker you was comparing had no place on a gold field at all, as to blow "Pickers" out the back you must have had NO riffles at all in the banker, or had it set up akin to a ski jump. :| We have had several outings on this forum with a large number of bankers present working the same gravels, including standard lazy "L" riffles like yours, Modified Clarkson combinations, Straight Expanded only over Miners Moss like in "Gold Rush Alaskas" mega sluices, and some other pretty innovative concepts. None of these sluices "Blew Pickers" over the back. ;) You say the Walbanker creates "Small" vortex's, yet the expanded at 1.6mm high and the the Crate at 1cm high, when combined in relation to the the width and length of the banker, creates a vortex that works optimally for a unit of that size. You say a larger riffle creates a bigger vortex...well that is quite an obvious statement...but it also needs a significantly larger volume of water pressure to clear it as well. It's all about balance, and I don't want to get into a lecture with you about Hydraulic Engineering, as I feel confident that much of the conversation would go over your head, so I'll leave it at....you use what suits you best, and I'll use what has proven successful to me over a very long period of time. Happy High banking and may the gold clog your sluice. :) Cheers Wal. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Building a large capacity High-banker - Instructional video
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