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Gold Prospecting
Hard Rock Gold Prospecting
DIY. Rock Crusher..
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<blockquote data-quote="jethro" data-source="post: 205355" data-attributes="member: 1297"><p>I think you have the basis for a good flail mill there. </p><p>I built mine out of a piece of pipe of indeterminate composition, diameter about 13 inches wall thickness 3/8'' ,width 4'' (100mm) The chain I used was a bit of old high tensile lifting chain arranged in a cloverleaf pattern around a 25mm shaft. It is side feed & side discharge as I believe this is a bit easier on the screens. I powered mine with a 6.5 hp chonda knock off with centrifugal clutch. Its cheap but works ok.</p><p></p><p>It takes 65mm stone and reduces to 3mm & smaller dust in one pass & feeds at about 750g a minute.</p></blockquote><p></p>
[QUOTE="jethro, post: 205355, member: 1297"] I think you have the basis for a good flail mill there. I built mine out of a piece of pipe of indeterminate composition, diameter about 13 inches wall thickness 3/8'' ,width 4'' (100mm) The chain I used was a bit of old high tensile lifting chain arranged in a cloverleaf pattern around a 25mm shaft. It is side feed & side discharge as I believe this is a bit easier on the screens. I powered mine with a 6.5 hp chonda knock off with centrifugal clutch. Its cheap but works ok. It takes 65mm stone and reduces to 3mm & smaller dust in one pass & feeds at about 750g a minute. [/QUOTE]
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Gold Prospecting
Hard Rock Gold Prospecting
DIY. Rock Crusher..
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