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Old 06-03-2007, 11:48 AM   #1
Orpheus
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Default Mash Stirrer?

A few of us were discussing the possibility of having a motorized stirring mechanism mounted on the lid of you MLT. It seems like it would be a pretty simple project.

Anyone ever done this?

I did find this picture of one a guy made:

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Old 06-03-2007, 02:09 PM   #2
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I'm working on making a motorized one using an old ice cream churn motor and some stainless steel flat stock.

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Old 06-03-2007, 02:15 PM   #3
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Anyone have an idea for one on a rectangular cooler type mash tun?

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Old 06-21-2007, 05:00 PM   #4
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This is a small gear motor with the output shaft pointing down. This is without another part - the s/s "skin" to protect the wort from airborn nasties.
Motor turns at 290 rpm. Had a guy in the shop fabricate the impellers on the s/s shaft.
I am rethinking to have it all one part. A cover for the brew pot that holds the mixer, instead of a two piece device.
I get from boiling down to 10 degrees over what my supply water is in less than 10 minutes.
Then, a prechiller brings me down under 70 F in 20 minutes.

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Old 06-21-2007, 06:15 PM   #5
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Brewpastor has. You could contact him about the details.

http://www.homebrewtalk.com/showthread.php?t=21180

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Old 07-24-2007, 07:35 PM   #6
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I am thinking about putting one of these together myself to fully automate my steam mlt. I was thinking more in the range of 20 - 40 rpm. Anybody got ideas on motors or torque?

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Old 07-24-2007, 07:39 PM   #7
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I'm pretty sure Brewpastor had a very similar conversation on here. Really, ask him. He's da man!

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Old 07-24-2007, 07:46 PM   #8
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This would be a great tool for doing decoction mashing!

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Old 07-24-2007, 08:00 PM   #9
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I am finding it difficult to find a motor that makes me happy, outside of tearing into and old cordless drill. But I'll keep looking.

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Old 07-24-2007, 08:00 PM   #10
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Would a worm (like in a meat grinder) serve the purpose? That would probably be the easiest thing for a rectangular MLT.

I guess you would need to alternate the direction of rotation or all the grist would collect on one end.

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