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Gold Prospecting
Do It Yourself (DIY) Projects
Angus MacKirk Grub Steak Sluice - Highbanker Conversion
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<blockquote data-quote="HeadsUp" data-source="post: 53291" data-attributes="member: 414"><p>If you use a ball valve to regulate flow it will result in excessive battery drain</p><p></p><p>better to try and get a pump that is just right or slightly over to allow for battery voltage drop and decreased flow rate as the battery drains</p><p></p><p>aim for 700 - 750 GPH and if you need to throttle it back to 500 then its not as bad as if you were trying to regulate 1000 or 1500 GPH</p><p></p><p>if you wanted to be really clever you could use a DC motor speed regulator but that could be 'spensive if you try to get high efficiency ones</p><p></p><p>in regards to the telescoping aluminium tube for legs , they do look pretty but quickly get jammed up with sand and grit during the "waterworks" so it might pay to keep them simple , it would be nice if the leg holders were fold up / fold down with fixed legs so you cant lose a leg while rock hopping , but slide in lengths of PVC conduit is cheap and light.</p></blockquote><p></p>
[QUOTE="HeadsUp, post: 53291, member: 414"] If you use a ball valve to regulate flow it will result in excessive battery drain better to try and get a pump that is just right or slightly over to allow for battery voltage drop and decreased flow rate as the battery drains aim for 700 - 750 GPH and if you need to throttle it back to 500 then its not as bad as if you were trying to regulate 1000 or 1500 GPH if you wanted to be really clever you could use a DC motor speed regulator but that could be 'spensive if you try to get high efficiency ones in regards to the telescoping aluminium tube for legs , they do look pretty but quickly get jammed up with sand and grit during the "waterworks" so it might pay to keep them simple , it would be nice if the leg holders were fold up / fold down with fixed legs so you cant lose a leg while rock hopping , but slide in lengths of PVC conduit is cheap and light. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Angus MacKirk Grub Steak Sluice - Highbanker Conversion
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