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View Poll Results: What do you guys think about pressure fermentations? Time for a poll.
I've done it and I liked it just fine! 82 11.34%
I've done it, nothing wrong with it, but prefer normal fermentation techniques. 20 2.77%
I've done it, hate it, and never will do it again! 4 0.55%
I've never done it, but it is on my list! 538 74.41%
I've never done anything. I only brew beer in my mind. 79 10.93%
Voters: 723. You may not vote on this poll

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Old 08-31-2008, 07:24 PM   #141
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I love it and would be glad to share notes. Also, I just added you to the Wiki article so people could link to your comments. Let me know if you don't want to be there, but here it is. A sealed up keg is/would be so much easier to transport if you had to, fermented or not.

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Old 08-31-2008, 08:00 PM   #142
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Thanks, Posting me in your Wiki is fine. I love this stuff and have always tried to make my life easier as a brewer without being lazy at the same time.

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Old 08-31-2008, 08:14 PM   #143
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Wortmonger,

In one of your posts you said

Quote:
This is an interesting patent. It would mean I could only do 13.5 gallon batches in the keg. I am thinking up an "under-pressure, Burton-Union/wort recovery type of thingy". With that, I should be able to do full 15 gallon blended batches "pre-ferment", as opposed to post like the big boys do.
What design have you considered to recover Krausen that overflows during the first few days of fermentation? Where have you found information on this subject? I have a Heliarc and can back gas weld and so anything I want to fabricate is possible sans cost.
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Fermentor 1: Bill's House Ale II, Fermentor 2: German Helles, Fermentor 3: Bill's Schworzbier (Black Bier)
Tap 1: Bill's House Ale II, Tap 2: German Hefewizen, Tap 3: Nut Brown Ale
Future Brews: Stone IPA Clone, Blonde Ale, Budvar Clone, Newcastle Clone
New toy: Blichmann 27 gallon fermentor


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Old 08-31-2008, 08:21 PM   #144
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Well since writing that, I have found that required head space is significantly decreased with the increase in pressure. How much so I don't know, but I can't boil enough to worry about so I blend with water after fermentation is complete. I would say though you could ferment 13.5 gallon easily under minimal pressure (5-15 psi) without worrying so much about blowing kraeusen, beer style pending of course.

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Old 08-31-2008, 11:02 PM   #145
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Ok, Being that I can not see in the Keg it is hard to know just how it acts and I will try 13.5 and see how it goes. I was considering something like this...

wort-recovery-keg-modification.gif  
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Fermentor 1: Bill's House Ale II, Fermentor 2: German Helles, Fermentor 3: Bill's Schworzbier (Black Bier)
Tap 1: Bill's House Ale II, Tap 2: German Hefewizen, Tap 3: Nut Brown Ale
Future Brews: Stone IPA Clone, Blonde Ale, Budvar Clone, Newcastle Clone
New toy: Blichmann 27 gallon fermentor


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Old 08-31-2008, 11:24 PM   #146
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That device is tall, but should collect your blow off and allow CO2 to escape. I don't think you would have that much coming out at 13.5 gallons in a 15.5 gallon keg though anyway. I'd first try a simple regular fermentation with 13.5 in a Sanke and see what happens blow off-wise. You may not even need the collector at all. I gave up on the wort collection for pressurized fermentation as it smashes the kraeusen down so I don't worry at all when I ferment. If your keg is sealed and you have 13.5 gallons under controlled pressure, you have nothing to worry about based on my experience, but wort collection is something I have only thought about on paper and in my head.

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Old 09-01-2008, 01:42 AM   #147
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I see no way to shorten the hight of the krausen recovery without using a pump or CO2 to push the liquid back into the keg. Using valves and a higher (temporary) pressure of CO2 you could push the liquid wort back into the keg 1 or 2 times a day during the first days of fermentation. You could do a full 15.5 gallon batch.

See picture.

wort-recovery-2c.jpg  
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Fermentor 1: Bill's House Ale II, Fermentor 2: German Helles, Fermentor 3: Bill's Schworzbier (Black Bier)
Tap 1: Bill's House Ale II, Tap 2: German Hefewizen, Tap 3: Nut Brown Ale
Future Brews: Stone IPA Clone, Blonde Ale, Budvar Clone, Newcastle Clone
New toy: Blichmann 27 gallon fermentor


“If you find yourself in a hole, the first thing to do is stop digging”

“Good judgment comes from experience, and a lotta that comes from bad judgment”


Last edited by WBC; 09-01-2008 at 03:22 AM.
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Old 09-01-2008, 06:40 AM   #148
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Possibly. I'm not going to max out my fermenter though. Honestly, after this last batch of pressure fermented beer I am just going to ferment 12-13 gallons and blend up to 15.5 if I wanted to. It tasted great and no worries about anything.

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Old 10-29-2008, 05:39 PM   #149
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I am going to give this pressurized fermentation a shot, here is my setup.. a little different.



some other pics..
http://www.scatterbranch.com/pictures/pferment2.jpg
http://www.scatterbranch.com/pictures/pferment3.jpg
http://www.scatterbranch.com/pictures/pferment4.jpg

I plan on brewing next week, so i'll let everyone know how it turns out.

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Old 10-29-2008, 06:48 PM   #150
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Wow, that thing is huge! Looks sweet, though I wonder why it needs to be so big and complex? I assume there are some reasons other than the obvious that you chose not to simply use a normally-sealed keg and tap connectors that are already there. I am very curious though how yours will work compared to mine.

"Tiny is mine. As tall as a tapped keg it is, and wide as the rim on the keg-skirt it goes." Or, so says Brew-buddy Yoda... anyways!

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