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Old 11-02-2012, 11:58 PM   #1
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Default Avery duganA clone

I was working on a clone of this, and had a question about the hopping schedule, so I emailed Matt Thrall, the head brewer. He sent me back the entire recipe.

duganA DIPA

OG: 1.074
AE: 1.011

Grist:
Pale 2-Row - 94.8%
Dark Aromatic - 3.8%
C-120 - 1.4%

Hops:
60min - Magnum (15.1%AA) - 0.76oz
15min - Chinook (11.4%AA) - 0.95oz
0min - Columbus (12.0%AA) - 0.95oz
0min - Centennial (9.4%AA) - 0.95oz
0min - Chinook (11.4%AA) - 1.89oz

Dry-Hop Addition
Chinook - 3.78oz
Columbus - 3.78oz

Yeast - California
Ferm Temp - 68F


If you enjoy hops and haven't tried this beer, go get it now.

Here's the description from the Avery website,

"Lupulin Rapture Incarnate! As fervent devotees of hops, we found ourselves on a quest to create a transcendental IPA capable of quenching our voracious lupulin desires. Our mantra became “unity of bitterness, hop flavor and aroma.” Enlightened, duganA IPA was born: A brutally bitter, dank, piney and resinous ale designed for those seeking a divine hop experience."

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Old 12-13-2012, 01:35 AM   #2
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LOVE this beer and just found the recipe. I had tried to work out a clone and failed. I missed out on the utterly massive dry hop.
Thanks for posting this

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Old 08-20-2013, 02:24 PM   #3
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I'm new to homebrewing, with only two batches under my belt, but kits aren't involved enough for me. I'd like to try to brew a few more extract batches and then probably go to all-grain. Anyway, I love DuganA and this seems like more of a challenge, since I don't think there is an existing extract recipe, but I need some help.

I'm hoping someone can check my math and my assumptions in converting this to an extract recipe...

I'm using the recipe in this thread and the methods of conversion found here: http://www.brew-dudes.com/all-grain-...-conversion/78

This recipe doesn't list the total lb of 2-row nor the expected efficiency. I assumed 14# 2-row at 70% efficiency. That seems to be in line with the other Avery recipes. What do you all think of those assumptions?

If 14# of 2-row is 94.8% of the grain bill, then that means I'd need 0.5# Dark Aromatic and 0.2# C-120. Sound right?

Using method #1, from the site above, this is the conversion I end up with:

14# *37PPG = 518
518* .70 efficiency = 362.6
362.6 / 5 = 72.52, so ~73 expected efficiency.

So, the expected OG would be 1.073. That's pretty close to the 1.074 listed above.

So, backing up a bit, this means the following should work out:

DME: 362.6/44 = 8.25#
OR LME: 362.6/37 = 9.8#

Using Method 2 I get very similar results: 8.4#DME and 10.0# LME

So, like I said, what do you think about this as an extract version of the recipe listed above:

LME - 9.8#
Specialty Grains:
Dark Aromatic - 0.5#
C-120 - 0.2#

Hops:
60min - Magnum (15.1%AA) - 0.76oz
15min - Chinook (11.4%AA) - 0.95oz
0min - Columbus (12.0%AA) - 0.95oz
0min - Centennial (9.4%AA) - 0.95oz
0min - Chinook (11.4%AA) - 1.89oz

Dry-Hop Addition
Chinook - 3.78oz
Columbus - 3.78oz

Yeast - California
Ferm Temp - 68F

Any feedback would be appreciated.

Thanks,
Paul

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Old 08-21-2013, 02:21 PM   #4
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My homebrew club just brewed a bunch of Avery clones for a festival. One thing we found and confirmed with the brewers is that they get a lot IBU extraction from their 0 min additions. This is due to their whirlpool process. Typically 90 mins maintained with a temp of near boiling wort. If you don't find that the recipe is giving you the IBUs you need, you may need to adjust accordingly.

For instance. I don't have BeerSmith in front of me, but I'm not sure you'll get the 93 ibus for duganA with those additions listed.

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Old 08-21-2013, 05:07 PM   #5
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Thanks for the reply!

I'm new to brew ing though... Can you tell me what my options are? I assume I could use more hops. Anything else?

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Old 08-21-2013, 07:19 PM   #6
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Adjust your hop additions to get the same estimated ibus or whirlpool for 90 minutes. I'd leave to 0 min additions the same, but adjus my initial bittering additions.

If you aren't using any brewing software I would suggest getting BeerSmith and input the recipe to see your utilyzation, and then adjust up as needed.

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Old 08-21-2013, 07:30 PM   #7
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Almost an 8oz. single stage dry hop with highly aromatic hops?

I guess Avery doesn't subscribe to the diminishing returns hypothesis of dry hopping or they do it in two stages and decided not to mention it.

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Old 08-21-2013, 07:48 PM   #8
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Quote:
Originally Posted by Randy_Bugger View Post
Almost an 8oz. single stage dry hop with highly aromatic hops?

I guess Avery doesn't subscribe to the diminishing returns hypothesis of dry hopping or they do it in two stages and decided not to mention it.
Good point there, I didn't notice that. I'll check our emails to them and see if they mentioned anything about dry hopping.
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Old 08-22-2013, 03:08 AM   #9
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Thanks Schemy and Randy_Bugger for the replies! This is really helping me to learn a lot and think about new stuff

I'm going to try to tweak the recipe a bit without beersmith. I don't have a copy, although I know there is a free trial available. I learn better by doing things by hand anyway (I'm a math teacher after all). It seems like IBU calculations for whirlpooling are pretty undecided, so beersmith might not be that much help anyway.

I think you are right that the hop values are a little low, but perhaps not too far off if I can whirlpool for 10 or 15 minutes and get some IBUs out of the last batch of hops.

Here's my calculations and some changes:
INCREASE Magnum hops to 1oz. (previously 0.76 oz)
(1oz * 27 efficiency * 15.1AA) / 6.7 batch size = 60.85 IBU

INCREASE Chinook hops to 1oz (previously 0.95 oz) and change the time to 20 minutes (previously 15)
(1oz * 12 efficiency * 11.4AA) / 6.7 batch size = 20.4 IBU

That gives me a total of 81.25 IBUs, leaving 11.75 more needed.
Like I said, it seems that IBU calculations for whirlpooling are all over the place. However, if I whirlpool for even 15 minutes I think I should be able to get at least 2% efficiency out of the final three hops selections (I'm open to being corrected on this).

This would give me 13.18 more IBUs. For a total of 94.4 IBU, which is close to the 93 in the real deal DuganA. Even if I only got 1% out of 'em I'd be within 5 IBUs, which wouldn't be very noticeable.

So, here's the revised recipe (version 2):
LME - 9.8#
Specialty Grains:
Dark Aromatic - 0.5#
C-120 - 0.2#

Hops:
60min - Magnum (15.1%AA) - 1 oz
20min - Chinook (11.4%AA) - 1 oz
0min - Columbus (12.0%AA) - 1oz
0min - Centennial (9.4%AA) - 1oz
0min - Chinook (11.4%AA) - 2oz
Whirlpooling the last three for 15 minutes.

Dry-Hop Addition (needs multiple sessions??)
Chinook - 3.78oz
Columbus - 3.78oz

Yeast - California
Ferm Temp - 68F

Thoughts?

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Old 08-22-2013, 11:59 AM   #10
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Here with an update recipe. Two changes, DME instead of LME and 0.9 Magnum instead of 1 oz. The latter change costs about 3 IBUs but keeps things more in line with the original recipe ratios.

Going to brew today and just hit up my local brew shop. The brew shop recommended DME. I couldn't understand their reason why they recommended it but I didn't argue. This is my first time using DME, so maybe I'll like it better. I'm thinking it will at least be easier to weight out my ingredients.

Version 3 (4 gallon boil):
DME - 8.25#

Specialty Grains (going to steep for 20-25minutes at 155):
Dark Aromatic - 0.5#
C-120 - 0.2#

Hops:
60min - Magnum (15.1%AA) - 0.9 oz
20min - Chinook (11.4%AA) - 1 oz
0min - Columbus (12.0%AA) - 1oz
0min - Centennial (9.4%AA) - 1oz
0min - Chinook (11.4%AA) - 2oz
Whirlpooling the last three for 15 minutes.

Dry-Hop Addition (needs multiple sessions??)
Chinook - 3.78oz
Columbus - 3.78oz

Yeast - California
Ferm Temp - 68F

Thoughts?

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