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River / Stream Sluices - advice, information and questions
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<blockquote data-quote="G0lddigg@" data-source="post: 237926" data-attributes="member: 357"><p>hey mate 7-9 degrees of fall is a good starting point, use a phone app with a clinometer if you need to after a while you can eye ball it. there's a few things i could say about expanded metal under riffles but thats open conjecture. alot of people are very happy with what they catch. be honest running straight expanded will get you more gold and be more user friendly and will keep the big rocks moving with less water needed ot move them so there's that. </p><p></p><p>basically you want to start with angle then adjust water volume by adding in rocks to create a wing dam. if you cant get enough flow you need more drop/angle. </p><p></p><p>here's a pretty shaky video that explains and shows how i set-up a sluice and then had to make adjustments due to too much water not enough drop and downward pressure. hope it helps. </p><p></p><p>one more tip, i use a rule of thumb of i want a bit of quartz to take at least 10-30 seconds to travel out of the sluice a bigger bit that is. </p><p>[video=480,360]<a href="https://youtu.be/p_P0jXR3tp8" target="_blank">https://youtu.be/p_P0jXR3tp8</a>[/video]</p></blockquote><p></p>
[QUOTE="G0lddigg@, post: 237926, member: 357"] hey mate 7-9 degrees of fall is a good starting point, use a phone app with a clinometer if you need to after a while you can eye ball it. there's a few things i could say about expanded metal under riffles but thats open conjecture. alot of people are very happy with what they catch. be honest running straight expanded will get you more gold and be more user friendly and will keep the big rocks moving with less water needed ot move them so there's that. basically you want to start with angle then adjust water volume by adding in rocks to create a wing dam. if you cant get enough flow you need more drop/angle. here's a pretty shaky video that explains and shows how i set-up a sluice and then had to make adjustments due to too much water not enough drop and downward pressure. hope it helps. one more tip, i use a rule of thumb of i want a bit of quartz to take at least 10-30 seconds to travel out of the sluice a bigger bit that is. [video=480,360][url]https://youtu.be/p_P0jXR3tp8[/url][/video] [/QUOTE]
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Gold Prospecting
Prospecting Equipment
River / Stream Sluices - advice, information and questions
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