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Ravenwood IPA

From the BrewBlog of BorealBrewers – Grand Rapdis, Minnesota USA
Printed April 19, 2018

Specifics
Style: American IPA
Contributor: Chad Haatvedt
Yield: 9 gallons
Bitterness (Calc): 98 IBU (Daniels)
OG: 1.068
BJCP Style Info: American IPA
O.G.: 1.056 - 1.075
F.G.: 1.010 - 1.018
ABV: 5.5 - 7.5%
Bitterness: 40 - 70 IBUs
Color: 6 - 15 SRM
Info: A decidedly hoppy and bitter, moderately strong American pale ale.

Commercial Examples: Bell’s Two-Hearted Ale, AleSmith IPA, Russian River Blind Pig IPA, Stone IPA, Three Floyds Alpha King, Great Divide Titan IPA, Bear Republic Racer 5 IPA, Victory Hop Devil, Sierra Nevada Celebration Ale, Anderson Valley Hop Ottin’, Dogfish Head 60 Minute IPA, Founder’s Centennial IPA, Anchor Liberty Ale, Harpoon IPA, Avery IPA.

General Information
Method: All Grain
Malts and Grains
25.00 pounds American Pale Malt (2-Row) 92.6% of grist
1.00 pounds Crystal Malt 20L 3.7% of grist
1.00 pounds Crystal Malt 90L 3.7% of grist
27.00 pounds Total Grain Weight 100% of grist
Non-Fermentables
15 drops Fermcap @ 60 minutes  
5 tsp Yeast Nutrient @ 15 minutes  
2 tabs Whirlfloc @ 15 minutes  
5.2 Stabilizer @ mash minutes  
Hops
3.00 ounces Centennial 8.9.57% Pellets @ 40 minutes
Type: Bittering
Use: Boil
26.7 AAUs
1.00 ounces Centennial 8.9.57% Pellets @ 20 minutes
Type: Bittering
Use: Boil
8.9 AAUs
2.00 ounces Centennial 9.5% Pellets @ 5 minutes
Type: Aroma
Use: Aroma
19 AAUs
1.00 ounces Cascade 7.1% Pellets @ 5 minutes
Type: Aroma
Use: Aroma
7.1 AAUs
7.00 ounces Total Hop Weight 61.7 AAUs
Boil
Total Boil Time: 60 minutes
Yeast
Name: American Ale
Manufacturer: Wyeast
Product ID: 1056
Type: Ale
Flocculation: Medium
Attenuation: 75%
Temperature Range: 60–72°F
Amount: 250 ml
Mash Profile

Cereal Mash and Single Infusion Mash

Grain Temperature: 72°F Tun Temperature: 72°F
Sparge Temperature: 168°F PH: 5.4
PPG: 0 Efficiency: 0%
Notes:

Boil cereal adjuncts to add to infusion mash.

Steps

# Name Type Time Temp. Description
1 Protein Rest Infusion 30 min. 104°F

Add 30% of mash water at 111° F / 44° C

2 Protein Rest Infusion 45 min. 122°F

Add 10% of mash water at 181° F / 83° C

3 Saccharification Infusion 60 min. 150°F

Add 25% of mash water at 200° F / 93° C

4 Mash Out Infusion 10 min. 168°F

Add 35% of mash water at 208° F / 98° C

Procedure
Water Amounts Calculator
Target Final Boil Volume: 11 gallons  
Evaporation Rate: 1.5 gallons per hour  
Boil Time: 60 minutes  
Runoff Volume Needed: 12.96 gallons 11 gallons (final boil volume) ÷ 0.96 (cooling) + 1.5 gallons (boil evaporation)
Grain Amount: 26 pounds  
Grain Absorbtion: 4.23 gallons  
Total Water Needed: 17.68 gallons 12.96 gallons (runoff) + 4.23 gallons (grain absorbtion) + .5 gallons (equip. loss)
Mash Water Needed:

8.65 gallons
round to 7

based on 1.33 quarts per pound of grain
Sparge Water Needed: 9.04 gallons 17.68 gallons (total water) – 8.65 gallons (mash water)

Calculations derived from Ray Daniels' book Designing Great Beers.

 

Strike Water Temperature Calculator
Grain Weight: 26 pounds
Grain Temperature: 60° F
Strike Water Amount: 7 gallons
Target Mash Temperature: 152° F
Equipment Loss: 7° F
Strike Water Temperature: 176.1° F (169.1° F less 7° F equipment loss adjustment)

Calculations derived from the Brewing Techniques Troubleshooter, Vol. 4, No. 4

I misread the nash volume,a nd used only 7 gallons.  It seemed thick, so I added a gallon from HLT.  Later read that it should have been 9 gallons.

My brewhouse efficiency was 71%.  Not bad.  Probably would have hit 74 if I had enough mash water.

Mashed at about 151.  mashed out at 168.

 

 

Fermentation
Primary: 14 days @ 65° F
Ravenwood IPA
Date Brewed:  
Brewer/Assistant:  
Brew Day Data
  Target Actual
Strike Water Amount: 9  
Strike Water Temperature:    
Mash Temperature:    
Mash Time:    
Sparge Water Amount: 8.6  
Sparge Water Temperature:    
Pre-Boil Gravity:    
Pre-Boil Amount: 10.9  
Post-Boil Amount: 9  
Boil Time: 60  
Original Gravity: 1.068 / 16.6° P  
     
     
     
     
Brew Day Notes
 

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