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Old 02-24-2012, 03:39 PM   #1
Maltose
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Default Automated E-HERMS build

Just wrapping up some planning in sketchup for my new 20 gallon E-HERMS brewery. It will feature a 30 gallon HLT and brew kettle and a 42 gallon MLT with a grain dump. There are also 1/2" electric ball valves, stainless hard plumbing and bottom drains on all three vessels. I'm also planning on integrating Brewtroller. I haven't completely finished the model, but you get the idea. The kettles and valves got shipped yesterday, so I'll update this thread with actual photos as things start coming together.









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Old 02-24-2012, 06:40 PM   #2
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this is cool. I am building a similar rig. BT controlled, automated. Looking forward to the progress!



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Old 02-25-2012, 12:13 AM   #3
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Working on a similar sized system as well, but most likely with BCS. What are you using for kettles, barrels? I am torn b/t 30, 42 and 55 gallon tanks, as I am not sure how well smaller (15-20 gal) batches will do with 55 gal tanks. Tri clover connects? What's the plan for volume measurement?

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Old 02-25-2012, 02:15 AM   #4
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Quote:
Originally Posted by thelorax121
Working on a similar sized system as well, but most likely with BCS. What are you using for kettles, barrels? I am torn b/t 30, 42 and 55 gallon tanks, as I am not sure how well smaller (15-20 gal) batches will do with 55 gal tanks. Tri clover connects? What's the plan for volume measurement?
Using barrels from www.bubbasbarrels.com. They are .050 wall thickness which I believe is a little thicker than a keg.

I will weld tri clover ferrules for all connections opposed to welding 1/2" couplers to cut down on threaded fittings. Most of the bends in the plumbing will also be bent instead of swageloks.

If I go with Brewtroller, I'll integrate their air bubbler system for volume measurement.
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Old 02-25-2012, 11:52 AM   #5
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Very cool. I am looking at using bubba as well, cheap and heavy duty. My only decision now is between the 30 gal and 55 gal barrels. I figure I will start with the 30 gal, and can up grade to a 55 gal BK if I want to stretch into nano territory (based on my calculations, I could still press out a 1.078 1 bbl batch with the 30 gal MLT). However, your idea of the 42 gal MLT might be a great compromise, plus the wider diameter might make it more efficient.

I will be soldering in 1" tri ferrules for my in/out ports, and 1.5" ferrules for the electric elements, trying to eliminate all threads for a sanitary design (again, pretty much just case I want to creep my way into nano). Right now I am planning on TC sight glasses, but if brewtroller comes out with a simpler computer user interface by the time I get this project off the ground, I may go that route as well. Right now I am spending so much time on the hardware, I really don't want to delve into the BT software, but we'll see.

Thanks again for the post, I will be keeping up to see how everything goes!

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Old 02-29-2012, 11:55 AM   #6
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Quote:
Originally Posted by thelorax121
Very cool. I am looking at using bubba as well, cheap and heavy duty. My only decision now is between the 30 gal and 55 gal barrels. I figure I will start with the 30 gal, and can up grade to a 55 gal BK if I want to stretch into nano territory (based on my calculations, I could still press out a 1.078 1 bbl batch with the 30 gal MLT). However, your idea of the 42 gal MLT might be a great compromise, plus the wider diameter might make it more efficient.

I will be soldering in 1" tri ferrules for my in/out ports, and 1.5" ferrules for the electric elements, trying to eliminate all threads for a sanitary design (again, pretty much just case I want to creep my way into nano). Right now I am planning on TC sight glasses, but if brewtroller comes out with a simpler computer user interface by the time I get this project off the ground, I may go that route as well. Right now I am spending so much time on the hardware, I really don't want to delve into the BT software, but we'll see.

Thanks again for the post, I will be keeping up to see how everything goes!
I'll be doing 1" TCs as well. It looks like a bunch of people followed my lead and bought some of Bubbas barrels...he only has a couple left.
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Old 02-29-2012, 01:44 PM   #7
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Any higher detail pics of your plumbing?

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Old 02-29-2012, 09:55 PM   #8
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Quote:
Originally Posted by moparx12 View Post
this is cool. I am building a similar rig. BT controlled, automated. Looking forward to the progress!
BT rulez!
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Old 03-01-2012, 01:57 AM   #9
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I recommend you take a good look at the 42 gal barrels. They are heavier, easier to clean and more efficient.

If you want 30's don't waste time as my supply is very limited.

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Old 03-01-2012, 03:23 AM   #10
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Damn, I had a feeling that might be the case. I do like that the 42's have the same diameter as the 55's so the false bottom would be interchangeable. The only issue I for see is with the mash tun if I want to brew smaller (15-20 gal batches), as according to my calcs, the grain for a batch this size would only fill up 8-10 inches of the barrel, leaving a ton of dead space and an excessively shallow grain bed. I am thinking about breaking down and getting a smaller MLT for these batches unless anyone else has any other ideas....



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