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Old 07-31-2008, 03:37 PM   #1
DubbelDach
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Default How fast will firkin warm up?

OK, so I have a pin full of IPA. It's a stainless steel pin which is 4.5 U.K. gallons. It contains 4 standard gallons of IPA and a 1 oz. sack of Cascade leaf hops. I placed it in the fridge a few days ago, so it's 40 degrees fahrenheit.

I am going to remove the pin at some point tomorrow and put it in it's serving place (my basement bar) which is about 68 degrees fahrenheit.

What I need to know is, how long until it reaches ideal serving temperature of about 50-55 degrees fahrenheit? We plan to tap it at about 8pm.

I f'n love science. Just can't perform it. Thanks in advance!

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Old 07-31-2008, 03:54 PM   #2
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*I am confused you are putting it in its serving place @ 68 but you want it to get to 52? So are you putting it back in the fridge or on ice?

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Old 07-31-2008, 04:00 PM   #3
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I am trying to figure out what time of the day to take it out of the 40* fridge and put it in the 68* room so that the beer is 50* at 8pm.

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Old 07-31-2008, 04:05 PM   #4
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What time do you leave for work? I vote for 20 minutes before that.

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Old 07-31-2008, 04:09 PM   #5
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Quote:
Originally Posted by Jaysus View Post
What time do you leave for work? I vote for 20 minutes before that.
8am. And I have a feeling that might be too long. I was thinking I'd have to do it over lunch.

Anyone have some "science" behind this, or is it all just "voting"?
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Old 07-31-2008, 04:13 PM   #6
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It'll be fine... just throw a wet towel over it if you are concerned.

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Old 07-31-2008, 04:57 PM   #7
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It has been a while since I have used Newton's Law of cooling. I am having trouble figuring it out so I quit. Probably 3-4 hours tops.

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Old 07-31-2008, 05:36 PM   #8
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I'd take it out this evening, and measure how the temperature changes with respect to time. Of course you'd have to take samples because the temperature will change as you pour it into the glass. Then put it back in the fridge tonight, and it should cool back to 40F by tomorrow. Armed with this data, you should be able to judge pretty accurately when to move it to the serving location (if there's any left)

-a.

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Old 07-31-2008, 05:46 PM   #9
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Take a look at the graph on this page. It's not exactly what your looking for but it might help.
http://www.kegkits.com/Merchant2/mer...Code=KEGSLEEVE

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Old 07-31-2008, 08:10 PM   #10
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I prefer to serve it a little cooler because it warms up in the glass pretty fast. My kegerator is set at 45 degrees and I've found that by the time you pour it into a room temp glass and hold the glass in your hand for about 30 seconds it's pretty close to the temp you want.

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