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Old 10-03-2011, 02:17 AM   #1
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Default Motorized Immersion Chiller

During my brew session I used a new gizmo that I fabricated. It's an immersion chiller with a paint stirrer down the middle, and a gear motor at the top. It worked beautifully! Complete freedom from standing there stirring with the long-handled spoon. It's not like you can't find something else to do at that point in the brew day, you know.
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Old 10-03-2011, 05:14 AM   #2
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nice, any pics?
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Old 10-03-2011, 09:11 AM   #3
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I'll snap a pic later today.
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Old 10-03-2011, 09:51 AM   #4
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Quote:
Originally Posted by Exbeerienced View Post
During my brew session I used a new gizmo that I fabricated. It's an immersion chiller with a paint stirrer down the middle, and a gear motor at the top. It worked beautifully! Complete freedom from standing there stirring with the long-handled spoon. It's not like you can't find something else to do at that point in the brew day, you know.
How powerful is the gear motor. How many RPM?
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Old 10-03-2011, 01:35 PM   #5
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It's a continuous duty, 115 volt, .27 amp, 180 rpm gearmotor. If watts (power) is volts x amps, then it's 31 watts.
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Old 10-03-2011, 06:57 PM   #6
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Sounds like the same $17.95 motor P-J and friends recommend for stiring the HLT for HERMS systems and the BK While using immersion chillers.
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Old 10-03-2011, 07:44 PM   #7
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Here is this motorized immersion chiller. It will need a protective covering and permanent cord before it can be called finished, although I used it like this during its first use. I've got the copper shaped as such to keep the weakest connection (the hose clamps) away from the wort and motor.
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There's the stirrer nestled within the coils. I have that straight piece of tubing soldered to just one of the coils, the top one (bottom one in this view).
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A close-up of the sleeve that connects the gearmotor shaft to the paint stirrer. It has two set screws. Bigger than needed, but it was what was on hand. A fortunate thing is that the tubing is slightly larger than .500 inch. I used a .500 inch reamer which gives a snug fit where the tubing goes through the lid. Hopefully it will stay that way.
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One more view. That hole is for an airlock stopper when I thought the plastic disk was going to be used as a fermenter lid.
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Old 10-03-2011, 07:52 PM   #8
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Very nice!!
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Old 10-03-2011, 07:59 PM   #9
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You should put the chiller on with QD's (unions would work) so you can use the gizmo for mash stirring. Nice project, even better dual purposed.
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Old 10-03-2011, 08:03 PM   #10
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Very nice. Have you used this yet? Im just curious if you get oxidation while the paint stirrer is running in hot wort?
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