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Post by knave on Dec 28, 2019 8:33:00 GMT -5
Sucks about the mailbox thief, porch pirate type dude. He needs glitter and fart spray, LOL Good luck with the build.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,182
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Post by jamesp on Dec 29, 2019 5:51:52 GMT -5
Sucks about the mailbox thief, porch pirate type dude. He needs glitter and fart spray, LOL Good luck with the build. Lol, I could only hope that the glitter and fart spray would fix matters. He stole my steel box next to the mailbox that packages are placed in. How about firmly securing another one with an arm sized hole and a coyote leg trap chained in the bottom of it. I am trying to get the kid incarcerated before one of my ornery old timer neighbors messes up and shoots him. Half of them live in seclusion, did Vietnam and are not to be trifled with. This kid does not know what type of people he is messing with. Considering a treated wood base for the tumbler. About as easy and simple as it can get.
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Post by knave on Dec 29, 2019 6:12:30 GMT -5
Some feller on YouTube made a vibratory tumbler using an unbalanced axial fan, such as the one that is cooling your machine.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,182
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Post by jamesp on Dec 29, 2019 11:34:04 GMT -5
Some feller on YouTube made a vibratory tumbler using an unbalanced axial fan, such as the one that is cooling your machine. If you get the vibration in the sweet spot for rocks it should be a fairly easy project. There is a bit of a fine line where the vibration has to be. An RTH member made a fine vibe. It has a hinge in it.
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Wooferhound
Cave Dweller
Lortone QT66 and 3A
Member since December 2016
Posts: 1,426
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Post by Wooferhound on Dec 30, 2019 15:44:51 GMT -5
A Vibratory Rotary Tumbler
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Post by knave on Dec 30, 2019 16:07:34 GMT -5
A Vibratory Rotary Tumbler Now you’re talkin!
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,182
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Post by jamesp on Dec 31, 2019 16:25:50 GMT -5
A Vibratory Rotary Tumbler That would be an interesting machine woofer.
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Post by oregon on Jan 8, 2020 21:04:55 GMT -5
Not worth your re-configuring, but saw this at the bone yard. Motor cooling fan shroud had very tight tolerances but still was a 1000 rpm motor. Imagine with a more aggressive curved blade you could move a bit more air? 2c. Could 3D print you something, but seems like your computer fan covered things well enough. Just thought it might have been possible mechanism for the original motor.
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Post by knave on Jan 8, 2020 21:10:59 GMT -5
Wow there you go. Great find! We were stumped as to the original purpose of the fan. That explains the weird mounting tabs. What is proper rpms for a flat lap? oregon jamesp aDave 1dave
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,182
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Post by jamesp on Jan 8, 2020 22:52:51 GMT -5
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Post by knave on Jan 8, 2020 23:04:45 GMT -5
Aha, I see a fire pit lurking in the build, lol.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,182
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Post by jamesp on Jan 9, 2020 6:19:36 GMT -5
That 14 inch 10 gauge steel bowl made that build too easy knave. It would be a fine candidate for mass producing on a welding jig. ETA A 940 rpm was available for direct drive but a not-so-compact inline shaft coupling was required.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,182
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Post by jamesp on Jan 9, 2020 6:35:44 GMT -5
That would have been a simpler cleaner way to go oregon. It is a mystery as to what type of air-over method was used on that slow motor. 280 rpm = real slow. As you mentioned a fan with aggressively curved blades must have been mounted on the shaft.
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