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Gold Prospecting
Do It Yourself (DIY) Projects
Yabby pump attachment for loaming and crevicing
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<blockquote data-quote="Guest" data-source="post: 36349"><p>Looks great but I think you will need the check valves to stop material escaping back out the nozzle on the empty stroke & also stop material from being sucked back up your hose attachment on the fill stroke.</p><p>It may work ok but the check valves would make it far more efficient both for obtaining the material & also directing it into your hose/bucket attachment. The check valves could be made with some insertion rubber & fittings to make a simple flap type check valve that is set in the opposite direction depending on inlet or outlet. This is something I have been meaning to play around with as I have one from the US with the hose/bucket attachment that has these type of flapper check valves. I was going to play around with making some up as spares but haven't used it enough to wear them out yet. When I have used it worked well but you would end up with an arm like popeye if you were to use it all day :lol:</p></blockquote><p></p>
[QUOTE="Guest, post: 36349"] Looks great but I think you will need the check valves to stop material escaping back out the nozzle on the empty stroke & also stop material from being sucked back up your hose attachment on the fill stroke. It may work ok but the check valves would make it far more efficient both for obtaining the material & also directing it into your hose/bucket attachment. The check valves could be made with some insertion rubber & fittings to make a simple flap type check valve that is set in the opposite direction depending on inlet or outlet. This is something I have been meaning to play around with as I have one from the US with the hose/bucket attachment that has these type of flapper check valves. I was going to play around with making some up as spares but haven't used it enough to wear them out yet. When I have used it worked well but you would end up with an arm like popeye if you were to use it all day :lol: [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Yabby pump attachment for loaming and crevicing
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