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Old 01-17-2009, 05:59 PM   #11
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Originally Posted by keelanfish View Post
Here's my double coil immersion chiller I recently built. I added supports to make the whole thing rigid and more durable. Cooled 5 gallons to 70 degrees in under 10 minutes on the first trial.



That looks awesome, but just curous, with all the money in copper for that, why not just build a CFC?
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Old 01-17-2009, 08:35 PM   #12
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Originally Posted by sTiNkFiZzle View Post
How in the hell did you get all that tubing ran through those uprights??!!? I had a hard enough time just getting my basic coil. Thing really is a work of art, I'm highly impressed.
I drilled the holes in the uprights slightly larger, but even with that, it was still a two person job. Also, I threaded the coils through the individual pipes first and then soldered the upright supports together. That definately made it easier.

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That is a great design, no doubt. But aren't you worried about sanitation? It seems like the upright support structure has a lot of places for stuff to get trapped.
I was a little concerned about that, but upon using it the first time it was surprisingly easy to clean with a water hose. I also put it in the boil for about the last 5 minutes to ensure it is sanitary as most people do with immersion chillers.

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Originally Posted by IrregularPulse View Post
That looks awesome, but just curous, with all the money in copper for that, why not just build a CFC?
Actually, originally I was just going to build a 50' 1/2" diameter chiller. But when I saw the cost of 1/2" tubing, I quickly changed my mind and decided on 60' of 1/4" tubing which was about 1/3 the cost. The supports are 1/2" regular copper pipe that I had left over from building a manifold for my MLT, so that didn't really cost me anything. Even if you had to buy everything to do this build, I think it would cost less than $100 from a typical home improvement store. But, there are some online sources for copper tubing that I think would be much less expensive.

I considered a counterflow chiller, but I do everything by gravity and don't have a pump to recirculate the wort. Also, I'm trying to keep cleanup simple and didn't want to worry about cleaning and sanitizing the inside of a CFC.
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Old 01-18-2009, 01:30 PM   #13
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that is nice... i have the same pot too.

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Old 01-19-2009, 03:27 PM   #14
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I considered a counterflow chiller, but I do everything by gravity and don't have a pump to recirculate the wort. Also, I'm trying to keep cleanup simple and didn't want to worry about cleaning and sanitizing the inside of a CFC.
This is what I thought before reading Bobby_M's tutorial. no pump is needed. I gravity fed my CFC 10 gallons from boiling to under 70 and into fermenters in 25 minutes the first time I used it. Just the one pass from keggle, through CFC, cooled it down to then directly fall into the fermenter.
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Old 01-19-2009, 03:42 PM   #15
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It definitely depends on the height differential between the kettle and output hose to the fermentor. The more the better.

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Old 02-02-2009, 12:11 PM   #16
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Here is another great design that I found on HBT

http://www.homebrewtalk.com/f51/dual...hiller-101156/

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Old 02-02-2009, 12:20 PM   #17
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Quote:
Originally Posted by keelanfish View Post
Here's my double coil immersion chiller I recently built. I added supports to make the whole thing rigid and more durable. Cooled 5 gallons to 70 degrees in under 10 minutes on the first trial.


Whether it is efficient or not, that is one beautiful piece of brewing artwork!!!
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Old 07-04-2010, 03:26 PM   #18
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awesome design!

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Old 01-29-2012, 08:13 PM   #19
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i would love to remold my 90' of tubing into a design like this. i have no clue how you were able to shape it so perfectly. great job!

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Old 01-29-2012, 08:22 PM   #20
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oh sorry i meant to compliment keelanfish. although this forum raises an OK q about the benefits of double-coil v. counterflow...

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