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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: 53544" data-attributes="member: 414"><p>make the holes the same area as the hose , or slightly bigger area than the hose cross sectional area</p><p></p><p>area is calculated by Pi times radius squared so Hose area is 3.1415927 x ( 12.5 x 12.5 ) = 491 square millimetres</p><p></p><p>If you have 18 holes @ 6 mm diameter it will be equal but make it 20 - 22 holes to give the water molecules a bit of extra time to argue over who goes out which hole</p><p></p><p>dont go too small in hole size as they can block up with algae , leaves , gravel and leaches </p><p></p><p>if possible , use the same diameter pipe as the hose to reduce pressure loss there</p><p></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/414/1391231454_nugget_muncher.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="HeadsUp, post: 53544, member: 414"] make the holes the same area as the hose , or slightly bigger area than the hose cross sectional area area is calculated by Pi times radius squared so Hose area is 3.1415927 x ( 12.5 x 12.5 ) = 491 square millimetres If you have 18 holes @ 6 mm diameter it will be equal but make it 20 - 22 holes to give the water molecules a bit of extra time to argue over who goes out which hole dont go too small in hole size as they can block up with algae , leaves , gravel and leaches if possible , use the same diameter pipe as the hose to reduce pressure loss there [img]https://www.prospectingaustralia.com/forum/img/member-images/414/1391231454_nugget_muncher.jpg[/img] [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Angus MacKirk Grub Steak Sluice - Highbanker Conversion
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