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milldoggy
Joined: 23 Dec 2010 Posts: 569 Location: Pottstown, PA
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Link Posted: Wed Jan 19, 2011 7:10 pm Post subject: Which direction to coil your Herms coil? |
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Counter clockwise or clockwise in the northern hemisphere? For some reason I thought I read somewhere that it should be clockwise for northern hemisphere. I really doubt it matters.
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crush
Joined: 28 Dec 2010 Posts: 706 Location: Telemark, Norway
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Link Posted: Wed Jan 19, 2011 10:13 pm Post subject: |
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Hehe! This one always makes me smile! Water flowing clockwise or counterclockwise in different hemispheres is an urban myth. I think Mythbusters or some similar program disproved it, and here's a description - http://www.loc.gov/rr/scitech/mysteries/coriolis.html. Basically its about how the water is introduced to the drain that determines the rotation.
In a coil, water will want to move downwards with much greater force than it will rotate, so the direction doesn't matter - choose whichever is most natural/easiest for you to coil.
Hope this helps!
_________________ ...just one more.
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11116 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11116 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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ajt012
Joined: 21 Dec 2010 Posts: 54 Location: Miami
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Link Posted: Thu Jan 20, 2011 3:14 am Post subject: |
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i know i saw a picture of it somewhere, but which way does the wort travel in the coil? as in does it enter through the bottom and exit the top, or is this another issue for the "doesn't matter" bucket?
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kal Forum Administrator
Joined: 12 Dec 2010 Posts: 11116 Location: Ottawa, Canada
Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
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milldoggy
Joined: 23 Dec 2010 Posts: 569 Location: Pottstown, PA
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Link Posted: Thu Jan 20, 2011 4:19 am Post subject: |
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but is that counter clockwise or clockwise
I figured this was a myth and I would get some good responses!
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crush
Joined: 28 Dec 2010 Posts: 706 Location: Telemark, Norway
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Link Posted: Thu Jan 20, 2011 8:59 am Post subject: |
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We need two HLTs, one clockwise and one counterclockwise with their coils connected to eliminate any negative effects of these mysterious Coriolis forces. I've added one to my order. $400 for another boilermaker is a small price for for peace of mind.
_________________ ...just one more.
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ajt012
Joined: 21 Dec 2010 Posts: 54 Location: Miami
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Link Posted: Thu Jan 20, 2011 3:28 pm Post subject: |
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*LIGHTBULB* use a 100ft coil, coil 50' of it going clockwise, then have it dip back down to the bottom of the coil, and coil it again counter clock wise! No need to buy a second HLT, and your beer will be the best tasting in the land!
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milldoggy
Joined: 23 Dec 2010 Posts: 569 Location: Pottstown, PA
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Link Posted: Thu Jan 20, 2011 3:47 pm Post subject: |
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I think that would confuse the wort. You might have the best or the worst. I would think you need to swivel half your yeast counter clockwise and the other half clockwise, if you use dry, your screwed.
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