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Old 01-16-2009, 07:19 PM   #1
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Default immersion chiller - alternate design

Last week I made a small immersion chiller that looked pretty darn good, and as always that wasn't enough so I decided to upgrade it by doubling it in size.
As with most of the things done in the middle of the night and after few beers I wound the coil the opposite direction - so now I ended up using up all my copper and messing up my chiller that I never got a chance to use.
to fix this problem I decided to add another small peace of copper tubing in the middle of the chiller.
Has anyone played around with different designs for chillers?

[IMG][/IMG]

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Old 01-16-2009, 07:31 PM   #2
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Looking at your gallery, it looks like you have a inner spiral, and an outer one. I have seen this before, but not the dual in/out. Should work good, as you have a lot more surface area contact with the wort, as well as covering (dependent on your kettle) with the outer edge as well as the inner edge. Check for leaks, use it, and let us know how it works!

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Old 01-16-2009, 07:46 PM   #3
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Hre is another one of my designs, the only thing that is different from the conventional is that the cold water intake tube is located in the center


[IMG]url=http://www.homebrewtalk.com/gallery/showphoto.php?photo=18237][/url][/IMG]

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Old 01-16-2009, 08:17 PM   #4
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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.



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Old 01-16-2009, 08:32 PM   #5
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by how much does it raise the liquid level in the pot?

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Old 01-16-2009, 08:40 PM   #6
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keelanfish - that looks great, almost a work of art! I like how you drilled out the rigid uprights to space the coils.

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Old 01-16-2009, 08:44 PM   #7
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Quote:
Originally Posted by Jun View Post
by how much does it raise the liquid level in the pot?
Actually, not as much as you would think. The support legs are hollow and therefore don't displace that much liquid. The only real displacement comes from the coils themselves and I ended up using 60' of 1/4" ID (3/8" OD) tubing, so the coils themselves don't displace nearly as much as some of the 1/2" ID chillers I've seen. I designed it primarily for 5 gallon batches, but I've got a 15 gallon pot, so I left some coils higher incase I ever do 10 gallon batches.
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Old 01-16-2009, 10:34 PM   #8
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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.



"Mr. keelanfish, I don't use the word 'hero' lightly, but you are the greatest hero in American history."

I hope you won't mind when I shamelessly steal your design for my chiller upgrade.
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Old 01-16-2009, 10:44 PM   #9
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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.

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Old 01-17-2009, 10:37 AM   #10
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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.

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