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Old 07-31-2008, 08:12 PM   #21
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Quote:
Originally Posted by nathan View Post
Be very careful of that dust. If it builds up it can be explosive. I'm eventually going to build a station like that myself, but will roll it over to the garage door opening to do the milling if I don't enclose the bottom completely with a door on the front.
I had a science teacher in high school that blew up a dust cloud of flour in the classroom. It was very cool!


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Old 07-31-2008, 08:57 PM   #22
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what? please explain.. sorry for the noob question, but how does grain dust become explosive? i mean, if it builds up, can u light a match and run it threw the cloud and it will catch??


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Old 07-31-2008, 09:12 PM   #23
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Conditions have to be right. Grain dust is flammable and when suspended in the air at the right concentrations, will go boom if ignited. Ever hear of a fuel/air bomb?
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Old 07-31-2008, 09:51 PM   #24
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Or ever hear of a http://www.google.com/search?q=grain+elevator+explod&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
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Old 08-09-2008, 01:54 AM   #25
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I just found these two photos on our camera of the crush from my last brew session... The adjustable gap was set to .037".

**EDIT** - I guess these were taken right after I shot the video...




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Old 08-09-2008, 02:13 PM   #26
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Im always impressed by your DIY projects John Beere

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Old 08-09-2008, 02:29 PM   #27
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Did you notice an increase in efficiency with the 3 roller mill? I have a 2 roller Monster Mill that is motorized in the same manner as yours and the gap is also set at .37. I get good efficiency but looking at your crush yours seems to be much more broken up. All pieces are cracked after running through mine, but some look whole until you pick them up and rub them in your fingers, then they fall apart.
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Old 08-09-2008, 02:40 PM   #28
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Quote:
Originally Posted by brrman View Post
Wow that is really creative. I just got my Barley Crusher this week and will be looking to make a milling station pretty soon.
My Barley Crusher docs say not to attach a belt to the drive shaft. I don't know if this includes sheaves or not, but I'm going to contact BC, Inc to see what they say.
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Old 08-09-2008, 04:15 PM   #29
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Quote:
Originally Posted by Tonedef131 View Post
Did you notice an increase in efficiency with the 3 roller mill? I have a 2 roller Monster Mill that is motorized in the same manner as yours and the gap is also set at .37. I get good efficiency but looking at your crush yours seems to be much more broken up. All pieces are cracked after running through mine, but some look whole until you pick them up and rub them in your fingers, then they fall apart.
I've also been modifying my process quite a bit, so its hard to say exactly, but I expect 80% efficiency now. Before, with my two roller JSP MaltMill and a simpler mash schedule, I was at around 66%~68%.
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Old 08-09-2008, 04:49 PM   #30
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Quote:
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My Barley Crusher docs say not to attach a belt to the drive shaft. I don't know if this includes sheaves or not, but I'm going to contact BC, Inc to see what they say.
I would guess that the bushings they use aren't suitable for all the lateral force that a drive belt would require. You could set it up in such a way that the drive shaft itself is direct driven and have the pulley attached to an intermediate shaft of some sort. Extra complexity for sure but better than destroying your mill.


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