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Old 10-25-2014, 05:54 PM   #121
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Well after today's brew session, I'm one step closer to just pulling the trigger hard on one of these. I'm tired of tripping over stuff and leaks and now my Auber Sous Vide PID is not working. That is what I use to control my BobbyM RIMS tube. That little problem could be the final straw. I think electric is the way to go and that will eliminate trips to Home Depot for propane.

I'm either buying one of these or designing some kind of hard piped system with manifolds and valves. Back in March, I took Tom Hennessy's Brewery Immersion Course at Echo Brewing in Frederick, CO. It was so nice brewing on their Premier Systems 7bbl brew house. Everything was hard-piped and stainless. I just turned a valve and magic happened...sorta. Cleaning was even easier. But that is because they have floor drains.

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Old 10-26-2014, 02:18 AM   #122
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I'm very interested to see everyone's results with the system to determine peak efficiency/technique and additionally maximal OG out of the 5, 10, and 15 gal systems. I just did some rough math and it seemed like I would have to stuff 45 lbs of grain into the 15 gal Boilermaker in order to make a full 12 gal of finished wort at an OG of 1.100. Has anyone gone Max. Grain yet with their BrewEasy?

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Old 10-26-2014, 03:17 PM   #123
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I'm very interested to see everyone's results with the system to determine peak efficiency/technique and additionally maximal OG out of the 5, 10, and 15 gal systems. I just did some rough math and it seemed like I would have to stuff 45 lbs of grain into the 15 gal Boilermaker in order to make a full 12 gal of finished wort at an OG of 1.100. Has anyone gone Max. Grain yet with their BrewEasy?
I had 33 pounds plus 12 pounds of mashed pumpkin in mine the other night. it was tight but had about 2 inches of head space about the water level.
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Old 10-29-2014, 05:08 AM   #124
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I'm very interested to see everyone's results with the system to determine peak efficiency/technique and additionally maximal OG out of the 5, 10, and 15 gal systems. I just did some rough math and it seemed like I would have to stuff 45 lbs of grain into the 15 gal Boilermaker in order to make a full 12 gal of finished wort at an OG of 1.100. Has anyone gone Max. Grain yet with their BrewEasy?


let me know if you end up doing this and if you hit your numbers
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Old Yesterday, 09:09 PM   #125
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I just finished my second batch on the 5 gallon electric breweasy and could only hit 60 percent efficiency. It was breezy and chilly today making the boil a slow process.

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Old Today, 01:36 PM   #126
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Part of the efficiency issue is your grist to water ratio. Since you are not sparging, the percentage of total brew water in a no sparge system that is absorbed by the grist, is lost efficiency. If you lose 20% of your total brew water to grain absorption, that is 20% that you will never recover.

Even with 100% conversion efficiency (I'd verify this during each mash), if you lose 2 gallons of water due to absorption, with a total brew water load of 13 gallons, and 20lb grist (a light beer) you'd lose 15%. With a 30lb grist, you'd lose 20%... However, this places 60% eff. way out of the spectrum.

System losses should be nearly nil on this system I'd presume.

That leaves conversion efficiency that would be affected by water PH because of the thin mash, and the crush.

I've been out of brewing for years, just now building another 4500W electric RIMS, but to my knowledge these are all key issues. Some can be overcome with chemistry, not at all.

On my first electric HERMS, about 6 years ago, I'd mash with all of my brew water, no sparge, and still achieve 80% efficiency. I did build my water, and I did crush my own malt, and I did condition my malt as well. I also tested for conversion before the lauter.

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Old Today, 03:27 PM   #127
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Quote:
Originally Posted by ThePol2014 View Post
Part of the efficiency issue is your grist to water ratio. Since you are not sparging, the percentage of total brew water in a no sparge system that is absorbed by the grist, is lost efficiency. If you lose 20% of your total brew water to grain absorption, that is 20% that you will never recover.

Even with 100% conversion efficiency (I'd verify this during each mash), if you lose 2 gallons of water due to absorption, with a total brew water load of 13 gallons, and 20lb grist (a light beer) you'd lose 15%. With a 30lb grist, you'd lose 20%... However, this places 60% eff. way out of the spectrum.

System losses should be nearly nil on this system I'd presume.

That leaves conversion efficiency that would be affected by water PH because of the thin mash, and the crush.

I've been out of brewing for years, just now building another 4500W electric RIMS, but to my knowledge these are all key issues. Some can be overcome with chemistry, not at all.

On my first electric HERMS, about 6 years ago, I'd mash with all of my brew water, no sparge, and still achieve 80% efficiency. I did build my water, and I did crush my own malt, and I did condition my malt as well. I also tested for conversion before the lauter.
This is a good point in regard to pH/water to grist ratio. Have people been using pH meter in their process? How have numbers compared to expected (or numbers attained on past systems)? Do any of you use B'run Water and if so, have you accounted for water ratio differently in the program?
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