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Home Brew Forums > Home Brewing Beer > DIY Projects > Brew Stands > My new brew system, a brutus 10 with some nice modifications
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Old 04-27-2010, 05:20 PM   #61
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Physics 101. Steam occupies 1000x the the volume as water. Additionally all gases expand with temperature. Therefore increased internal frame pressure along with slight weakening of the welds at high temperature could theoretically result in a failure/rupture.
If you could please provide evidence (pictures, testimony, etc.) of such failure/rupture in a brewstand. Thanks!

I know this is OT but that would be Fluid Mechanics 101 or Thermodynamics 101. Physics 101 usually covers elementary classical mechanics.
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Old 04-27-2010, 08:07 PM   #62
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Back to the burner orifice. I tried the .067 that you recommended (I think that was you!) in another post and wasn't happy with the burn. I ended up at .094" with a nice flame. I haven't done a boil test yet, but I think it'll be good.

I also realized I was using 1/4" supply line from the propane tank....3/8" made a huge difference!

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Old 04-27-2010, 09:28 PM   #63
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Back to the burner orifice. I tried the .067 that you recommended (I think that was you!) in another post and wasn't happy with the burn. I ended up at .094" with a nice flame. I haven't done a boil test yet, but I think it'll be good.
I also realized I was using 1/4" supply line from the propane tank....3/8" made a huge difference!
Thanks Brian! Yeah that was me. Funny thing the flames looked totally different initially compared to the water test day. Back to the chart/drilling process I guess...

My supply lines are 1/2" OD after the solenoid valves (something bigger before the valves) so should be fine.

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EDIT: This is my 100th post, neato!
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Old 05-02-2010, 05:31 AM   #64
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If you could please provide evidence (pictures, testimony, etc.) of such failure/rupture in a brewstand. Thanks!

I know this is OT but that would be Fluid Mechanics 101 or Thermodynamics 101. Physics 101 usually covers elementary classical mechanics.

Firstly I'm not the one who claimed that a rupture would occur.

Secondly, if your so familiar with advanced physical sciences why did you have to ask?
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Old 05-02-2010, 06:00 AM   #65
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If you could please provide evidence (pictures, testimony, etc.) of such failure/rupture in a brewstand. Thanks!
http://www.homebrewtalk.com/f35/exploding-kegs-29044/

Please see the link above. Although that case is not one of an exploding brew stand it is the same concept. Expanding air in a confined space=BOOM
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Old 05-02-2010, 04:52 PM   #66
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Firstly I'm not the one who claimed that a rupture would occur.

Secondly, if your so familiar with advanced physical sciences why did you have to ask?
Dude... I was just asking if you had evidence to support your theory. I apologize for doing so. I will make sure to ignore you from now on. Good luck with your future endeavors.

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http://www.homebrewtalk.com/f35/exploding-kegs-29044/

Please see the link above. Although that case is not one of an exploding brew stand it is the same concept. Expanding air in a confined space=BOOM
Thanks, but that is not what I'm looking for. I'm looking for brewstand ruptures, not keg ruptures. I do appreciate your helpful input, though.
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Reason: Wanted to reply to jewbrew, too.
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Old 05-02-2010, 06:13 PM   #67
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Originally Posted by dudasaj
Physics 101. Steam occupies 1000x the the volume as water. Additionally all gases expand with temperature. Therefore increased internal frame pressure along with slight weakening of the welds at high temperature could theoretically result in a failure/rupture.



If you are going to get technical about water....a droplet of water expands 1700 times its original volume at 212* F and continues to expand exponentially as the temperature increases......Im just a dumb fireman and know that. Relax with your snappy comments man.

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Old 05-02-2010, 06:58 PM   #68
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That is a good point actually, with gas burner systems, the brewstands to get VERY hot... I would expect them to get close to the same temp as the lip of the keg, which as the exploding kegs thread shows, can be very dangerous! Best to be safe and drill a small hole to release pressure just in case

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Old 05-02-2010, 07:11 PM   #69
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Yep, it's best to err on the side of caution.

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Old 05-02-2010, 08:02 PM   #70
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"Physics 101. Steam occupies 1000x the the volume as water. Additionally all gases expand with temperature. Therefore increased internal frame pressure along with slight weakening of the welds at high temperature could theoretically result in a failure/rupture."

Please highlight the snappy part of the reply? I admit my volume factor was inaccurate, but I was just trying to offer a little insight for someone who has never worked on saturated steam systems. The point I was trying to make was the potential pressure that could build up in that main cross beam at high temperatures.

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