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Old 12-26-2009, 06:09 PM   #1
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Default Manual Mixer for Electric HLT?

I am working on the lid for my 10 gallon HLT. It is made of 2" foam, and will have two 2kw heatsticks built into it.

What I am thinking about for the mixer (to keep the temperature even) is a stir paddle that extends through the lid that is manually turned. Just give it a few spins every now an then.

That negates the need for a motor. I wonder how well it will work?

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Old 12-26-2009, 06:43 PM   #2
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The only bummer, IMHO, is that it ruins the otherwise fully automated water heating process. You might build something for a manual spin for now but keep the design adaptable to adding a small motor if you find a cheap one.

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Old 12-26-2009, 10:22 PM   #3
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"A brewery is never finished..."

The heat will be manually controlled too, to begin with. A PID, SSR's and motor will come later, in stages.

I will be happy for now just not having to heat water in the kitchen and carry it outside.

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Old 12-27-2009, 12:38 AM   #4
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Will this tank gravity feed other tanks?

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Old 12-27-2009, 01:08 AM   #5
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Quote:
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Will this tank gravity feed other tanks?
Heh.

Think I will need a ladder to stir it?
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Old 12-27-2009, 01:45 AM   #6
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Quote:
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Heh.

Think I will need a ladder to stir it?

Yes I was thinking that. Wasn't sure how you had things setup.
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Old 12-27-2009, 11:35 AM   #7
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I haven't done it yet, but I am looking to use automotive sourced windsheild wiper motor or one from the electric window winding mech. in the door.

Cheap from breakers yards, and should be strong enough, plus they already have reduction gearboxes fitted.

Heatsticks and stirrer will live in the lid that already holds my immersion chiller coils. (See "massive 96ft wort cooler" in DIY section)

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Old 12-27-2009, 02:53 PM   #8
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Quote:
Originally Posted by Cpt_Kirks View Post
"A brewery is never finished..."


I will be happy for now just not having to heat water in the kitchen and carry it outside.

IME a stirrer is really needed if the HLT is automated so the temp senser gives accurate feedback. Operated manually, you can do without.
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Old 12-27-2009, 03:13 PM   #9
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Quote:
Originally Posted by silverbrewer View Post
I haven't done it yet, but I am looking to use automotive sourced windsheild wiper motor or one from the electric window winding mech. in the door.

Cheap from breakers yards, and should be strong enough, plus they already have reduction gearboxes fitted.

Heatsticks and stirrer will live in the lid that already holds my immersion chiller coils. (See "massive 96ft wort cooler" in DIY section)
The only downside is the 12v operation. You'd need a pretty hefty AC/DC supply to run it.
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Old 12-27-2009, 06:20 PM   #10
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I can't imagine something like that pulling more than 10 amps. Most car battery chargers (I ASSume most of us have a battery charger...) put out better than 10a if asked to. There are varying ways the wiring could be done.

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The only downside is the 12v operation. You'd need a pretty hefty AC/DC supply to run it.
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