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recipes:thermal_fuse

Thermal Fuse Porter

Style: American Porter

Bentleybrau Brewery's Thermal Fuse Porter

Brewster Beacon

Brewed: 2018-09-30
Target OG: 1.060
Strike hit: 72C
OG: 1.060
FG:
ABV:

BrewTarget Recipe:

Thermal Fuse - Robust Porter (12B)
================================================================================
Batch Size  28,271 L            
Boil Size   31,271 L            
Boil Time   1,000 hr            
Efficiency  70%                 
OG          1,062 sg            
FG          1,018 sg            
ABV         6,0%                
Bitterness  48,9 IBU (Tinseth)  
Color       41,2 srm (Morey)    

Fermentables
================================================================================
Name                            Type     Amount     Mashed  Late  Yield  Color      
Weyermann - Pale Ale Malt       Grain    3,000 kg   Yes     No    85%    3,4 srm    
Weyermann - Rye Malt            Grain    3,000 kg   Yes     No    85%    3,6 srm    
Brown Malt (British Chocolate)  Grain    1,000 kg   Yes     No    70%    65,0 srm   
Caramel/Crystal Malt - 120L     Grain    500,000 g  Yes     No    72%    120,0 srm  
Chocolate Malt (UK)             Grain    500,000 g  Yes     No    73%    450,0 srm  
Milk Sugar (Lactose)            Sugar    250,000 g  No      No    76%    0,0 srm    
Rice Hulls                      Adjunct  250,000 g  No      No    0%     0,0 srm    
Oats, Flaked                    Grain    200,000 g  Yes     No    80%    1,0 srm    
Black Barley (Roast Barley)     Grain    150,000 g  Yes     No    55%    500,0 srm  
Total grain: 8,850 kg

Hops
================================================================================
Name              Alpha  Amount    Use   Time        Form    IBU   
Bramling          6,0%   25,000 g  Boil  1,000 hr    Pellet  11,6  
Styrian Goldings  4,5%   25,000 g  Boil  1,000 hr    Pellet  8,7   
Bramling          6,0%   35,000 g  Boil  30,000 min  Pellet  12,5  
Styrian Goldings  4,5%   35,000 g  Boil  30,000 min  Pellet  9,4   
Bramling          6,0%   40,000 g  Boil  10,000 min  Pellet  6,7   
Styrian Goldings  4,5%   40,000 g  Boil  0,000 s     Pellet  0,0   

Yeasts
================================================================================
Name                      Type  Form    Amount     Stage    
Wyeast - American Ale II  Ale   Liquid  125,00 mL  Primary  

Mash
================================================================================
Name      Type         Amount    Temp      Target    Time    
mash      Infusion     24,102 L  77,126 C  70,000 C  1 hr    
mash out  Temperature  ---       ---       76,000 C  15 min  
sparge    Fly Sparge   16,071 L  82,421 C  75,000 C  30 min   

Brewday Notes:

Brewed 2018-09-30.
Pitched ~50ml saved yeast slurry into 30g/300ml DME starter the night before (~14 hours before)
Made a second 50g/500ml DME starter, combined starters at beginning of mash.

Liquor volume: 24L
Grain weight: 8.85 kg
Strike temp: 75C @ 0 minutes
Mash temp: 72C @ 10 minutes
Mash temp: 70C @ 25 minutes
Extra head space: ~2-3 L?
Mash tun fullness: 31-32L?
Mash wattage: 200W
Mash pH @ 20 min: 5.48
Mash gravity @ 20 min: 1.030
Mash length: 1 hr
Mash out wattage: 400W
First runnings gravity: 1.052
First runnings pH: 5.19
First runnings volume: 13L (stuck sparge, stirred like crazy over bucket)
Sparge volume: 18 L
Sparge water temp: 70C
Boil pH: 5.22
Boil gravity: 1.058
Boil volume: 31L
Boil wattage: 1600W
Post-boil volume: 29L
Post-boil pH: 5.14
Post-boil gravity: 1.060 hydro adjusted (refract: 14.2°P unadjusted)
- wort adjustment factor 1.00 gives 14.2 == 1.058 OG
Fermenter volume: 26L

No airlock activity @ 12 hours. Bubbling at 18 hours.
Heavy bubbling 18-48 hours
Done bubbling 72 hours

7 days later 9.2°P (“1.036” on refracto scale) (pulled from airlock without agitation)
- Assuming 1.00 correction factor, corrected FG: 6.17 °P, 1.024, 4.46%

Tasting Notes:

recipes/thermal_fuse.txt · Last modified: 2018/10/16 20:50 by mrmekon