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Old 11-24-2009, 12:41 AM   #561
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Default My Brutus

Finally done....or is it....probably not!
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Old 11-24-2009, 03:22 AM   #562
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The frame is all 2x2 aluminum.
Still have to mount the plate chiller yet and put the control panel together. The control panel is made of all aluminum diamond plate.
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Old 11-24-2009, 03:27 AM   #563
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Default Done For Now

It has been months since I started. I added a bunch of things, since the original wet test drive reared several design flaw monsters I went back and welded steel tops and reinforced burner cages/supports. I added a water filter that I had laying around. I am ready to brew. Let me know what you guys think. Thanks to all that have helped me with this project.
Front View
Lid additions to all keggles. MLT loc line for sparge arm through top for heat retention while mashing
New top plates with heat shield to protect heat exchanger wires. The wires are wrapped in silicone hose in the tube
new sparge arm I made to replace original design
Control panel. QD for temp sensor on left side
40 plate heat exchanger. O2 setup with SS QD for easy removal of unit from heat exchanger

New mash paddle I made out of maple
Top view of burner plates. Below the 10" I had to make some reinforcements out of 1/2" x 2 flat stock. On my first test runm the flame was lapping up the keg. I added the 1/8" steel plates with 10" circles plasma cut out of them and fired it up...the steel was melting and I about cried. I added the supports between the original burner cage and the 1/8" steel and welded them up...fired it up and no more melting.

Two 6' sections of silicone 1/2" hose eah with a female SS QD are all I require for fluid transfer. Everything is SS or copper...no brass anywhere except for the two flared end caps. It took me a few months of seperate purchases but I managed to get rid of all brass.

This thing should give me years of trouble free service.

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Old 11-24-2009, 06:39 AM   #564
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Quote:
Originally Posted by sourmash View Post

The frame is all 2x2 aluminum.
Still have to mount the plate chiller yet and put the control panel together. The control panel is made of all aluminum diamond plate.
Aluminum frame with propane burners looks like a meltdown about to happen, I hope i'm wrong. Your stand is screaming "Go full electric" plus
add a BCS 460 controller. It sure looks sharp.
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Old 11-24-2009, 11:33 AM   #565
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Aluminum frame with propane burners looks like a meltdown about to happen, I hope i'm wrong. Your stand is screaming "Go full electric" plus
add a BCS 460 controller. It sure looks sharp.
Thanks for the compliments. The burners are actually for NG which burns a little cooler but not much. I have some stainless sheet stock the I may end up making someheat shield with if need be. I may end up also plugging a few nozzles on the burners as well.
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Old 11-24-2009, 02:56 PM   #566
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Very nice stand......very hard to weld aluminum.

I think the other guy might be right in regards to the melting or atlest distorting of the framework from the concentrated heat for an hour. I used 1/8" steel plate with 10" holes plasma cut out of the center. It took 15 minutes of direct firing to melt the steel and make it sag 2 inches. The propane burners (55k btu) were not even on high!

Good Luck

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Old 11-24-2009, 03:23 PM   #567
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Sourmash I dont think you will have any problem with the aluminum but when one end gets hot the whole thing will be hot. Some heat sheilds would be a good addition.

Pat

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Old 11-24-2009, 03:28 PM   #568
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Quote:
Originally Posted by BrewBeemer View Post
Aluminum frame with propane burners looks like a meltdown about to happen, I hope i'm wrong. Your stand is screaming "Go full electric" plus
add a BCS 460 controller. It sure looks sharp.
After a quick search it looks like aluminum melts at 2200

Carbon Steel 2600-2800
Stainless 2750

NG burns at 3000
Propane at 3600

Both these numbers assume no heat loss. So you can figure that it will be much less at contact with your stand.

Here are some good links. Your stand should be fine

http://www.derose.net/steve/resources/engtables/flametemp.html
http://www.engineeringtoolbox.com/melting-temperature-metals-d_860.html

By the way. That stand looks sweet.
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Old 11-24-2009, 03:30 PM   #569
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[QUOTE=lehr;1698515]Sourmash I dont think you will have any problem with the aluminum but when one end gets hot the whole thing will be hot. Some heat sheilds would be a good addition.

Pat[/QUOTE

+1 You beat me to it. The heat speads for sure. I don't think you will have to worry. Your not running your burners at max the whole time anyway.

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Old 11-24-2009, 04:20 PM   #570
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Quote:
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Sourmash I dont think you will have any problem with the aluminum but when one end gets hot the whole thing will be hot. Some heat sheilds would be a good addition.

Pat
Thanks to all on the input! I did do some research prior to building the frame on the melting point and what NG burns at so on..... Obviously with the great heat transfer of aluminum, the frame will become hot throughout while in use thus I will have to make a separate channel for my wiring. The cast iron burners have some tapped holes I could use with some stand offs to secure some heat shields. Unfortunately the picture does not do the stand justice. I probably got over 10 hours of polishing the frame alone.
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