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Max q Imperial Stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 75 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 6.7 gallons
Pre Boil Gravity: 1.084 (recipe based estimate)
Efficiency: 69% (brew house)
Source: Brian Albers
Calories: 378 calories (Per 12oz)
Carbs: 42.8 g (Per 12oz)

Created: Friday December 7th 2018

Original Gravity:

1.112

Final Gravity:

1.034

ABV (standard):

10.3%

IBU (tinseth):

52.2

SRM (mosher):

36.5

Mash pH

5.7

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
13 lb	United Kingdom - Maris Otter Pale13 lb Maris Otter Pale	38	3.75	59.1%
1 lb	American - Chocolate1 lb Chocolate	29	350	4.5%
2 lb	Flaked Wheat2 lb Flaked Wheat	34	2	9.1%
1 lb	American - Caramel / Crystal 120L1 lb Caramel / Crystal 120L	33	120	4.5%
5 lb	German - Pilsner5 lb Pilsner	38	1.6	22.7%
22 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1.50 oz	Northern Brewer1.5 oz Northern Brewer Hops	Pellet	7.8	Boil	60 min	32.81	37.5%
2 oz	East Kent Goldings2 oz East Kent Goldings Hops	Pellet	5	Boil	15 min	13.92	50%
0.50 oz	Northern Brewer0.5 oz Northern Brewer Hops	Pellet	7.8	Boil	15 min	5.43	12.5%
4 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
2 oz	Northern Brewer (Pellet)	38.24	50%
2 oz	East Kent Goldings (Pellet)	13.92	50%
4 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6.9 gal	Mash	Temperature	--	155 °F	60 min
3.75 gal	Rinse	Sparge	--	168 °F	10 min
Starting Mash Thickness: 1.25 qt/lb

Other Ingredients

Amount	Name	Type	Use	Time
4 g	Chalk	Water Agt	Mash	1 hr.
4 g	Epsom Salt	Water Agt	Mash	1 hr.
4 g	Gypsum	Water Agt	Mash	1 hr.
5 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

Imperial Yeast - A10 Darkness

Amount:	1 Each	Cost:
Attenuation (custom):	71%	Flocculation:	Medium
Optimum Temp:	62 - 72 °F	Starter:	Yes
Fermentation Temp:	67 °F	Pitch Rate:	1.0 (M cells / ml / ° P) 499 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Target Water Profile

9757

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
100	5	35	60	50	265
Mash Chemistry and Brewing Water Calculator

Notes

Name...Max q
The max q condition is the point when an aerospace vehicle's atmospheric flight reaches maximum dynamic pressure.
Dynamic pressure, q, is defined mathematically as q =1/2ρv2 (dynamic pressure equals half times static pressure times velocity square).

Variables
Batch Size (gal) 5
Grain Bill (lbs.) 22
Boil Time (min) 75
Trub Loss (gal.) .5
Equipment Loss (gal.) .5
Mash Thickness (qts/lb.) 1.25
Grain Temperature (deg.) 68
Target Mash Temperature (deg.) 155

<br />

Constants
Wort Shrinkage (pct) 4
Grain Absorption Constant (gal/lb) 0.13
Percent Boiloff per Hour (pct/hr) 15

<br />

Results
Total Water Needed (gal.) 10.4
Mash Water Needed (gal.) 6.8
First running expected (gal.)
Sparge Water Needed (gal.) 3.5
Strike Temperature (deg.)
Pre-Boil Wort Produced (gal.) 6.8

Variables
Batch Size (gal). 5
Grain Bill (lbs.). 22
Boil Time (hrs.). 1.25
Trub Loss (gal.) .5
Equipment Loss (gal.). 1
Mash Thickness (qts/lb.). 1.25
Grain Temperature (deg.). 68
Target Mash Temperature (deg.). 152

Constants
Wort Shrinkage (pct). 4
Grain Absorption Constant (gal/lb). .125
Percent Boiloff per Hour (pct/hr). 10

Results
Total Water Needed (gal.). 10.41
Mash Water Needed (gal.). 6.88
Sparge Water Needed (gal.). 3.53
Strike Temperature (deg.). 165.44
Pre-Boil Wort Produced (gal.). 6.55

Recipe Photos

Last Updated and Sharing

769

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Brews

Public: Yup, Shared
Last Updated: 2019-03-11 18:24 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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