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Home Brew Forums > Home Brewing Beer > DIY Projects > Chillers and Stir Plates > Stir Plate question
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Old 10-28-2011, 02:38 PM   #1
DieterVonBrauhaus
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Default Stir Plate question

Does a stir plate require only rare earth magnets? Can't I use fridge magnets and glue them to the fan?


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Old 10-28-2011, 02:43 PM   #2
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Even with rare earth magnets from a HDD are barely strong enough.. The magnets on a fridge are way too heavy and way too weak.. I battled mine for about a year, and it drove me crazy.. Just got a Black MAXX and it does everything I want it to. Even as an avid DIYer, this is one thing I just couldn't get to work right.


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Old 10-28-2011, 02:49 PM   #3
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Yes you need rare earth magnets, buy some online though, mine are 1/4" and I wish they were a bit larger as I occasion to through the stir bar on startup. I'm on my second build as my first one got some blowoff onto the circuit board and rheostat which killed the circutry. It takes a little playing with distances and speeds, but you can get it down.
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Old 10-28-2011, 03:18 PM   #4
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you think Radio Shack has them?
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Old 10-28-2011, 03:20 PM   #5
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Quote:
Originally Posted by DieterVonBrauhaus View Post
you think Radio Shack has them?
probably, also harbor freight, wal-mart, ace hardware, probably hobby stores.
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Old 10-28-2011, 03:28 PM   #6
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Thanks fellow brewers
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Old 10-28-2011, 03:33 PM   #7
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you can also use hard drive magnet if you can get a hand on them.
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Old 10-28-2011, 03:34 PM   #8
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If you have a hobby lobby near you I think they have them.
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Old 10-28-2011, 03:43 PM   #9
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I got those from dealextreme in the mail. I'll tell you how they work when they get here, but for 3$ shipping included, why wait ?
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Old 10-28-2011, 03:46 PM   #10
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NO extra HD's as they are all in my PC, I will try Radio Shack. Also I am using as a power source a HO scale model transformer works well with the fan!!


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