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Gold Prospecting
Do It Yourself (DIY) Projects
Spray Bars: Holes v's Slotted Comparison
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<blockquote data-quote="WalnLiz" data-source="post: 55187" data-attributes="member: 147"><p>G'day Adam.</p><p></p><p>Firstly what's the Litres/min rating on your pump, as this will dictate the kind of washing procedure you will have to take. The holes will need fairly high water pressures to deliver any sort of water volume....and volume is what you're after. The spray bar is a better option, but again reasonable delivery is required. </p><p></p><p>You don't need spray over the full length of the grizzly, so if you were to run with the spray bar version I would cut them back to 3 either side instead of 6 and make the slots wider using a drop saw blade if possible.</p><p></p><p>Another option if the pump has low volume is no spray at all and rely on directing the full volume of water without pressure onto the grizzly. This would require a slight change of the plumbing and take me a full page to describe it. Send me a PM and i can go through what i call a flood method of washing and I'll explain the technique with some pictures. <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>Cheers Wal.</p></blockquote><p></p>
[QUOTE="WalnLiz, post: 55187, member: 147"] G'day Adam. Firstly what's the Litres/min rating on your pump, as this will dictate the kind of washing procedure you will have to take. The holes will need fairly high water pressures to deliver any sort of water volume....and volume is what you're after. The spray bar is a better option, but again reasonable delivery is required. You don't need spray over the full length of the grizzly, so if you were to run with the spray bar version I would cut them back to 3 either side instead of 6 and make the slots wider using a drop saw blade if possible. Another option if the pump has low volume is no spray at all and rely on directing the full volume of water without pressure onto the grizzly. This would require a slight change of the plumbing and take me a full page to describe it. Send me a PM and i can go through what i call a flood method of washing and I'll explain the technique with some pictures. ;) Cheers Wal. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Spray Bars: Holes v's Slotted Comparison
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