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Gemstones, Minerals & Fossils
Gemstones and Minerals
DIY Willoughby
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<blockquote data-quote="roddosnow" data-source="post: 349752" data-attributes="member: 2684"><p>try this.. <a href="https://www.prospectingaustralia.com/forum/doc/member-docs/175/1422448133_buildingwilloughby.pdf" target="_blank">https://www.prospectingaustralia.com/forum/doc/member-docs/175/1422448133_buildingwilloughby.pdf</a></p><p>the willoughbys i have used are very similar to the link, it didnt have a hard stop you just wash as deep/shallow as you like using your arm as the stop, the spring also had enough tension to hold the screen just out of the water when full with gravel but not enough tension to where it was difficult to work the arm, when we chose the spring we bought about 5 different springs from the hardware and tested them out at home and returned the ones that didnt work. it would depend on the size of the seive, the length of the arm etc and would likely need to be trial and error for your exact setup.</p><p></p><p>good luck with it, i would love to see it when your finished.</p><p></p><p>Cheers,</p></blockquote><p></p>
[QUOTE="roddosnow, post: 349752, member: 2684"] try this.. [url]https://www.prospectingaustralia.com/forum/doc/member-docs/175/1422448133_buildingwilloughby.pdf[/url] the willoughbys i have used are very similar to the link, it didnt have a hard stop you just wash as deep/shallow as you like using your arm as the stop, the spring also had enough tension to hold the screen just out of the water when full with gravel but not enough tension to where it was difficult to work the arm, when we chose the spring we bought about 5 different springs from the hardware and tested them out at home and returned the ones that didnt work. it would depend on the size of the seive, the length of the arm etc and would likely need to be trial and error for your exact setup. good luck with it, i would love to see it when your finished. Cheers, [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
DIY Willoughby
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