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Gold Prospecting
Do It Yourself (DIY) Projects
red back and new dolly
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<blockquote data-quote="Moneybox" data-source="post: 674749" data-attributes="member: 3960"><p>I'm working on a bigger version of the verticle shaft crusher I made earlier. I doubt it'll grind the rock to a paste, at least not on the first pass but I want more volume so the stones will drop into the top of the drum and fall through the hammers before leaving the bottom unclassified for size. I've used a large truck brake drum 420mm internal diameter so I'll have to gear it down a bit to limit the tip speed of the hammers.</p></blockquote><p></p>
[QUOTE="Moneybox, post: 674749, member: 3960"] I'm working on a bigger version of the verticle shaft crusher I made earlier. I doubt it'll grind the rock to a paste, at least not on the first pass but I want more volume so the stones will drop into the top of the drum and fall through the hammers before leaving the bottom unclassified for size. I've used a large truck brake drum 420mm internal diameter so I'll have to gear it down a bit to limit the tip speed of the hammers. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
red back and new dolly
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