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Old 04-21-2012, 12:27 AM   #21
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Originally Posted by klyph View Post
I thought one benefit of a stir plate is that it keeps the starter aerated with the vortex to maximize yeast reproduction. Don't you want it to keep pulling a little air in?
You are correct. A vortex is not necessary, however it is beneficial as it constantly pulls fresh O2 in and keeps the wort aerated.


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Old 06-10-2012, 03:46 AM   #22
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Just built one of these with the same fan.No soldering. Speed controller already built in. Use a box I already had. Easy as pie. Cost total about $25 bucks.



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Old 06-10-2012, 10:55 AM   #23
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Just ordered the fan. So happy you posted this. I hate working on electronics. This is much easier.

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Old 06-20-2012, 01:49 PM   #24
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The 80mm fan seems too powerful. It's pulling a monster vortex on the lowest setting in a 3L flask. Wish I could dial down the power a little.

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Old 06-20-2012, 02:05 PM   #25
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Really?
What size stir bar and this is with real yeast not just water in test mode?

Thanks Kevin

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Old 06-22-2012, 03:43 PM   #26
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The 80mm fan seems too powerful. It's pulling a monster vortex on the lowest setting in a 3L flask. Wish I could dial down the power a little.
im not an electrician but as its dc voltage you should be able to under power it a bit (if using a 12v power supply snag a 6 or 8v cellphone supply). I think I have heard its ok to do with DC voltage but can have neg effects on AC voltage. Just a thought..

Neil


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