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Old 02-02-2009, 10:08 PM   #1
keelanfish
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Aug 2008
Decatur, GA
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So, first off, I got the inspiration for this DIY project from Anthony Lopez (http://www.homebrewtalk.com/f51/my-s...y-build-86252/) and from a guy in my homebrew club who had the ingenious idea of building a single stir plate out of a rubbermaid container. Thanks to both for the ideas!

So, I decided I'd like to have two stirplates so I could use 1000 mL flasks and still do a big starter. I used cooling fans that had adjustable speed controls built in. I had them, but if you don't, coolerguys.com is an excellent source. I used an old power supply from a computer I had and it has a built in on/off switch, so that was nice. Note, in power supplies, black wires are ground, reds are 5 volt DC and yellows are 12 volt DC. I first hooked up to the red and the fans didn't spin very fast. But when I changed over to the yellows I had to turn them down. Below are a couple pics of the build:

1 Rubbermaid Container $7.00
2 Computer cooling fans (adjustable speed) $salvaged
1 Computer Power Supply $salvaged
2 Harddrive Magnets $salvaged
1 Tube of Crazy Glue $2.50
3 Wire Nuts (had them)

So, for under $10, I built a double stirplate. Still waiting for my stirrods, it's a little sad that they are more expensive than the plate, but you can't have everything.


Finished Stir Plate


Top Removed

Also note I drilled some vent holes in the sides of the containers. Power supplies have a tendancy to get hot, so this was important. The container's lid is water tight, but with the holes drilled for the on/off switch and vents, I would classify as water resitant. I would recommend using on a GFCI protected outlet.

 
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Old 02-02-2009, 10:18 PM   #2
aekdbbop
 
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Sep 2006
Nashville, TN
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cool idea.. i like.

 
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Old 02-02-2009, 11:19 PM   #3
Anthony_Lopez
 
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Mar 2008
Groton, MA
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Very cool... In the next few months I'm going to be pushing my design much much further...
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My Cheap and Easy Stirplate

 
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Old 02-03-2009, 01:22 AM   #4
Monster Mash
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Apr 2006
Castaic, CA
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It's amazing how many people have copied my stirplates in the last five years. This is the first one I built about 5 years ago and the one that started the homemade stirplate revolution...

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Old 02-03-2009, 02:31 AM   #5
Anthony_Lopez
 
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Mar 2008
Groton, MA
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LOL... who are you? website? new Avatar/Username?
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I'd rather have a bottle in front of me, than a frontal lobotomy.
--Tom Waits

You can't be a real country unless you have a beer and an airline - it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a beer.
--Frank Zappa

My Cheap and Easy Stirplate

 
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Old 02-03-2009, 02:35 AM   #6
StoutFan
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Jan 2009
Wyoming, Michigan
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A couple more fans from the computer, that has so generously given its life for you, could help with cooling the power supply. A slight edge/lip over the holes would help immensely for water protection.
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Old 02-03-2009, 02:35 AM   #7
The Pol
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Feb 2007
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Well, I am flattered that you all use the internet to keep in contact with one another still... I actually invented it 20 years ago. Glad to see it is still up and running.

 
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Old 02-03-2009, 02:44 AM   #8
Anthony_Lopez
 
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Mar 2008
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And fortunately for "The Pol", I mispoke while very drunk 10 years ago and called a hulkish looking woman a, "HERMS"
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I'd rather have a bottle in front of me, than a frontal lobotomy.
--Tom Waits

You can't be a real country unless you have a beer and an airline - it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a beer.
--Frank Zappa

My Cheap and Easy Stirplate

 
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Old 02-03-2009, 02:44 AM   #9
wildwest450
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Dec 2007
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Quote:
Originally Posted by Monster Mash View Post
It's amazing how many people have copied my stirplates in the last five years. This is the first one I built about 5 years ago and the one that started the homemade stirplate revolution...
Hey everybody it's Al Gore!

 
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Old 02-03-2009, 02:54 AM   #10
Tripod
 
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Sep 2008
Atlanta, GA
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I actually discovered water 50,000 years before I was born... I'm so glad you are all brewing beer based on my personal discovery that no one but me discovered...50,000 years ago...

I love HBT

-Tripod
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