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Old 01-22-2009, 06:19 AM   #1
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Default Mash Tun Upgrades!

Tonight Caspio came over with a keg of his Hefeweizen and brazing torch to work on some brew equipment. I've been meaning to upgrade my single copper tube manifold on my MLT, so I figured why not build a fly sparge manifold at the same time? And really, what goes better with a few pints of homebrew than a blowtorch, magma hot solder, and power tools?!

First, pics of the manifold for the bottom of the MLT:


Drilling a bunch of 3/32" holes in the bottom of the manifold for adequate draining. A big upgrade in surface area and total coverage than my old single copper tube.



And here, proof that I did at least some of the work. Soldering up the fly sparge manifold in an "H" pattern:


Not so random holes drilled in this piece. I drilled holes at an angle and staggered them to achieve an even flow over the top of the grainbed. Or at least that's the idea...we'll see what happens.



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Old 01-22-2009, 06:24 AM   #2
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At Caspios suggestion I gave the top tube a long length of 9". This will enable me to adjust the height of the manifold depending on the grainbed depth. I also added a SS hose clamp so once I find the proper height for a given brew, I can tighten it down and lock it into place.




I'll be using a march pump in this setup, so I have a male quick disconnect mounted on the top of the intake post. This makes it easy to pump in from the HLT, and gravity drain out to the boil kettle.


Not bad for a nights' work!



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Old 01-22-2009, 07:21 AM   #3
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Good job!!!!! How come I wasen't invited for a night of drin... I mean building! j/j LOL
Cheers
JJ

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Old 01-22-2009, 01:06 PM   #4
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How do you all set the sparge height using this method? Set it, let it run, lift the lid to check, adjust repeat ? Isn't it a PITA not being able to see inside while trying to adjust? I imagine each batch is going to be slightly different depending on grain bill.

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Old 01-22-2009, 01:34 PM   #5
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Quote:
Originally Posted by IrregularPulse View Post
How do you all set the sparge height using this method? Set it, let it run, lift the lid to check, adjust repeat ? Isn't it a PITA not being able to see inside while trying to adjust? I imagine each batch is going to be slightly different depending on grain bill.
this is not that hard,,,,fill mlt with mash and measure from top down to top of mash, transfer that measurement to manifold depth adjustment and lock in place while leaving a gap of about 1/2-1inch for liquor over grainbed.


nice setup thats halfway to pols herms setup now
although i'd be worried about not being able to clean the filtering manifold inside
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Old 01-22-2009, 03:19 PM   #6
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Quote:
Originally Posted by eriktlupus View Post
although i'd be worried about not being able to clean the filtering manifold inside
I've used my amazing ms paint skills to clarify a little bit. The red marked joints were not soldered, allowing disassembly for cleaning or things like that.

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Old 01-22-2009, 03:25 PM   #7
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Quote:
Originally Posted by eriktlupus View Post
this is not that hard,,,,fill mlt with mash and measure from top down to top of mash, transfer that measurement to manifold depth adjustment and lock in place while leaving a gap of about 1/2-1inch for liquor over grainbed.


nice setup thats halfway to pols herms setup now
although i'd be worried about not being able to clean the filtering manifold inside
The filtering manifold actually comes apart. The long cross pieces aren't soldered together, so I can easily take it apart and clean it.

Quote:
How do you all set the sparge height using this method? Set it, let it run, lift the lid to check, adjust repeat ? Isn't it a PITA not being able to see inside while trying to adjust? I imagine each batch is going to be slightly different depending on grain bill.
I plan on just eyeballing it, based on the outflow to the boil kettle. I'll adjust the march pump valve and set the height accordingly. I figure maybe 5 mins of messing with it, then I'll leave it alone until I hit my pre-boil volume.
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Old 01-23-2009, 05:48 AM   #8
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OK which one of you two were drinking and drilling? I am calling OSHA
You probably didn't wear safty glasses either did you?



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http://www.norcalbrewingsolutions.com and like us on Facebook https://www.facebook.com/NorCalBrewingSolutionsfor Facebook only promos too
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