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Gearbox

304 calories 32.1 g 12 oz
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Beer Stats
Method: All Grain
Style: Doppelbock
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 3 gallons
Pre Boil Gravity: 1.166 (recipe based estimate)
Post Boil Gravity: 1.091 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 304 calories (Per 12oz)
Carbs: 32.1 g (Per 12oz)
Created: Saturday November 29th 2025
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1.091
1.024
8.7%
22.2
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n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
0.42 lb Ashburne Mild0.42 lb Ashburne Mild 36 5.3 2.2%
0.95 lb American - Caramel / Crystal 20L0.95 lb Caramel / Crystal 20L 35 20 4.9%
0.43 lb Bairds - Pale Chocolate0.43 lb Pale Chocolate 33 207 2.2%
0.35 lb German - Floor-Malted Bohemian Pilsner Dk0.35 lb Floor-Malted Bohemian Pilsner Dk 38 6.5 1.8%
2.50 lb German - Floor-Malted Bohemian Pilsner2.5 lb Floor-Malted Bohemian Pilsner 38 1.8 12.9%
0.47 lb German - Melanoidin0.47 lb Melanoidin 37 25 2.4%
7.50 lb Munich7.5 lb Munich 37 6 38.6%
2.50 lb German - Vienna2.5 lb Vienna 37 4 12.9%
0.25 lb German - CaraMunich III0.25 lb CaraMunich III 34 57 1.3%
1 lb Deer Creek - Pale Triticale1 lb Pale Triticale 38.6 4 5.1%
1.30 oz German - Carafa II1.3 oz Carafa II 32 425 0.4%
2 lb German - Carapils2 lb Carapils 35 1.3 10.3%
1 lb German - CaraHell1 lb CaraHell 34 11 5.1%
19.45 lbs / ؋ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Hallertau Mittelfruh1 oz Hallertau Mittelfruh Hops Leaf/Whole 3.75 Whirlpool 0 min 2.55 17.7%
0.50 oz Magnum0.5 oz Magnum Hops Leaf/Whole 15 Boil 60 min 8.3 8.8%
0.75 oz Hallertau Hersbrucker0.75 oz Hallertau Hersbrucker Hops Leaf/Whole 4 Boil 90 min 3.55 13.3%
1 oz Tettnanger1 oz Tettnanger Hops Leaf/Whole 4.5 Boil 25 min 3.46 17.7%
0.35 oz Hallertau Mittelfruh0.35 oz Hallertau Mittelfruh Hops Leaf/Whole 3.75 Boil 30 min 1.12 6.2%
0.30 oz Northern Brewer0.3 oz Northern Brewer Hops Leaf/Whole 7.8 Boil 15 min 1.28 5.3%
0.75 oz Saaz0.75 oz Saaz Hops Leaf/Whole 3.5 Boil 10 min 1.05 13.3%
1 oz Hallertau Hersbrucker1 oz Hallertau Hersbrucker Hops Leaf/Whole 4 Boil 5 min 0.88 17.7%
5.65 oz / ؋ 0.00
 
Yeast
White Labs - German Bock Lager Yeast WLP833
Amount:
1 Each
Cost:
Attenuation (avg):
73%
Flocculation:
Medium
Optimum Temp:
48 - 55 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 159 B cells required
؋ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.44 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
Quick Water Requirements
Water Gallons  Quarts
WARNING: Based on your provided mash thickness (1.75 qt/lb), your strike volume will exceeds the total water needed for the recipe (5.68 g). Reduce mash thickness to 1.16 qt/lb or increase pre-boil volume to 5.83 g.    
Strike water volume at mash thickness of 1.75 qt/lb 8.51 34  
Mash volume with grains 10.07 40.3  
Grain absorption losses -2.43 -9.7  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.21 g | 28.8 qt) 3 12  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.17 -0.7  
Post boil Volume 5.54 22.2  
Hops absorption losses (whirlpool, hop stand) -0.04 -0.2  
Going into fermentor 5.5 22  
Total: 5.68 22.7
Equipment Profile Used: System Default
"Gearbox" Doppelbock beer recipe by Brewer #456526. All Grain, ABV 8.68%, IBU 22.2, SRM 20.46, Fermentables: (Ashburne Mild, Caramel / Crystal 20L, Pale Chocolate, Floor-Malted Bohemian Pilsner Dk, Floor-Malted Bohemian Pilsner, Melanoidin, Munich, Vienna, CaraMunich III, Pale Triticale, Carafa II, Carapils, CaraHell) Hops: (Hallertau Mittelfruh, Magnum, Hallertau Hersbrucker, Tettnanger, Northern Brewer, Saaz)
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  • Last Updated: 2025-12-22 03:40 UTC