Re: new 3 tier gravity system

Wed Aug 25, 2010 4:04 pm

Here are the measurements:

The long axis of the base supports = 50" end to end
The width at the base supports are 23" wide from outer edge to outer edge
The height is 75" to the top shelf

Each shelf is 14" wide from the vertical support it's welded to
The first shelf is 24" form the ground, the second is 50", the top is 75"

It's all 2" tube steel with 1.5" angle iron and flat bar

Adjustments I plan to make now that I've made 3 batches on it:

I will put some sheet metal on the vertical to shield the mash tun cooler from the HLT burner, it's melted the top of the cooler quite nicely - I'll just sheet metal screw it to the vertical supports

I will probably fashion some way to raise the burners closer to the bottom of the vessels - probably just a piece of bent metal that can be affixed to the current support piece that raises them 2" or so.

Other than that I am unbelievable happy with it. I've been thrilled to be able to run more than one burner at a time to multi-task and I love being able to sparge while heating my second water additions and to drain the wort right into the kettle already under fire which saves a lot of time from previous methods

My friend who helped me is a mechanical engineer, blacksmith, artisan metal worker/fabricator - so he did the welding and most of the hard parts, but this is totally do-able by anyone with some modest skills - go for it! I did the basic design, and all of the burner plumbing and placement, which was a blast as well.

Go for it and let me know how yours turns out!
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Todd
 
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Re: new 3 tier gravity system

Thu Sep 02, 2010 9:03 am

That is a work of art.
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Re: new 3 tier gravity system

Thu Sep 02, 2010 9:12 am

Very nice work especially with that adjustable propane thing. I just wonder about the grate on the boil kettle. Looks interesting.

Image

I'd keep an eye that that grate for sure.
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Metal Tiger
 
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Re: new 3 tier gravity system

Thu Sep 02, 2010 2:10 pm

So far so good... the weight of the HLT and kettle are so widely distributed that the grate area right underneath is inconsequential, I've even considered snipping that out but so far it's not hurting anything. It is interesting to have it be red hot during a full burn.

I love the fact that at any moment I can have two burners going, even during the mash/sparge if needed. Gravity doing the heavy work is better than me any day!
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Re: new 3 tier gravity system

Mon Jan 24, 2011 12:38 pm

I have been looking for a good rig to base my wood build off of, and I think this is it....

Tim
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Re: new 3 tier gravity system

Sat Mar 05, 2011 9:42 am

How tall did you make it? 7 1/2'?
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Re: new 3 tier gravity system

Sun Mar 06, 2011 4:02 pm

how thick was the steel 1/8 or 3/16?
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Re: new 3 tier gravity system

Mon Mar 07, 2011 8:43 pm

It's about that tall, and it's 3/16" - which I was able to get as scrap so I wasn't being picky. It is heavy, but the self leveling feet allow it to slide over the garage floor pretty easily. I need to step on a stool to stir the mash, something I didn't think about when we measured it out - that's about all I'd change. I am going to tinker with the burner height to get the flame closer to the bottom of the kettle and add a heat shield to the HLT burner, turns out it's hot enough to melt the cooler on the second tier. Huh... who'd have thunk it. I like fire... :lol:
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