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Old 12-03-2012, 05:59 PM   #51
Jayhem
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Always between 74 and 81% for me. I crush with a Barley Crusher at its factory gap setting. I would have closer to 85% if I had less equipment loss in my mash tun.

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Old 12-03-2012, 06:02 PM   #52
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I have done three batches with my new cooler setup (was doing BIAB before)

Batch one --
58% efficiency
what i did: mash 10 pounds grain at about 1.4quarts / pound ratio for 60 minutes, added hot water to grain. drained, added similar amount of sparge water, let sit 5 minutes drained.

Batch two --
67% efficiency
what i did: mashed 8 pounds grain at about 1.2 quarts / pound ratio for 60 minutes. added grain to hot water. added about 1 gallon near boiling water. vorlauf and drain. added 3 gallons sparge water, let sit 10 minutes, vorlauf and drain.
changes: vorlauf, added grain to water instead of vice-versa, small hot water addition before initial runoff. longer sparge time. more stirring.

Batch three --
85% efficiency
what i did: protein rest at 130, mash as usual around 150. otherwise same as batch two.
changes: protein rest, double crushed grain.

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Old 12-03-2012, 06:06 PM   #53
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I 'm pretty certain it was the double crush that did it. Unless you're using undermodified malt, a protein rest can be a bad idea.

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Old 12-03-2012, 06:11 PM   #54
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I have hit a batch or two at 84% but I dialed it back down to around 78%. I actually preferred the beer when I'm in that range. I use a corona mill, so that tends to be the process that impacts the efficiency the most. If I'm not paying attention during the grind, I'll get much higher than I'm actually shooting for. My equipment is really consistent, so as long as I get my volumes in the right neighborhood, I know what it's gonna give me. My Irish Red (keg emptied last night) was at 75% and it was heads and tails better than the batch that came in at 82%.

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Old 12-03-2012, 06:17 PM   #55
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Quote:
Originally Posted by Denny View Post
I 'm pretty certain it was the double crush that did it. Unless you're using undermodified malt, a protein rest can be a bad idea.
I was sort of ambivalent about the protein rest but went with a 15 minute protein rest. We'll see how it plays out. it was a rauchbier. I will do a double crush and no rest next time and see where I end up. High efficiency makes me happy when i'm trying to do all grain 5-gallon batches in a 5-gallon brewpot!
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Old 12-03-2012, 06:41 PM   #56
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Around 80%, +/- a tenth or two of 1%.

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Old 12-03-2012, 06:55 PM   #57
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Everyone's efficiency will vary depending on the equipment they use and crush and whatnot. I can get around 82-85% depending on crush and the particular beer/method I use. Copper Manifold, drilled, 10 gallon rectangular cooler.

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Old 12-03-2012, 08:19 PM   #58
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I had crazy inconstant numbers with my braided line, hopefully I can lock in on an efficiency with the manifold.

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Old 12-03-2012, 09:00 PM   #59
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Quote:
Originally Posted by jfrank85 View Post
I had crazy inconstant numbers with my braided line, hopefully I can lock in on an efficiency with the manifold.
If you were doing it right, there should be no difference in efficiency.
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Old 12-03-2012, 09:06 PM   #60
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Quote:
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If you were doing it right, there should be no difference in efficiency.
Ehh well it floated and had larger holes from the paddle hitting it, I brew strong, therefore i need strong equipment.
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