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Old 07-23-2012, 11:39 PM   #1
adhomebrew10
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Default How much dead space do you have?

I am just curious how much dead space people generally have in the MT? I have a 5g round cooler that I use and get about 1.5 qt using nothing but water and a stainless braid. I assume the actual is a bit less when in use (which is backed up by my AG batches), probably a quart or less, considering that most of the space is taken by the grain?

I would rather collect a bit too much than not enough, so I don't adjust down much with my calculations. For the next batch I think I will assume 1.25 qt. and see how that works out.

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Old 07-24-2012, 12:36 AM   #2
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When I had a cooler MLT with a braid, I simply tilted it at the end to get all of the runnings. No deadspace at all that way.

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Old 07-24-2012, 03:29 AM   #3
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Just over a 1/2 cup:



I could probably get it a tad lower if I cut a slit in the exit tube of my mash tun (the tube that connects the manifold to the bulkhead) like my previous manifold, but I'm happy with this.

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Old 07-25-2012, 05:37 PM   #4
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i use an upside down keggle, 0 dead space. More heat loss tho.

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Old 07-25-2012, 08:07 PM   #5
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I'm a cooler tipper, so no dead space, just grain absorption.

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Old 07-25-2012, 09:29 PM   #6
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Very near to none. Maybe 1/16th of an inch and taking in to account the grain's displacement it's not very much at all.

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Old 07-25-2012, 09:55 PM   #7
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Around 1/2 cup in converted keg.

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Old 07-25-2012, 10:01 PM   #8
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The worst for dead space are the ones with braids connected an inch or two off the bottom. Braids can not siphon so the runoff stops at the bottom of the braid.

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Old 07-25-2012, 10:56 PM   #9
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Seems like when I tip the cooler it starts to get lots of particles in the runoff. How do you guys that tip the cooler avoid this?

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Old 07-25-2012, 11:01 PM   #10
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Quote:
Originally Posted by jtejedor View Post
Seems like when I tip the cooler it starts to get lots of particles in the runoff. How do you guys that tip the cooler avoid this?
Tip the cooler when you dough in or start draining, instead of waiting until it's almost drained.



I now do BIAB so pretty much no deadspace.

I DO have dead space to account for in the tubing/pump setup, plus a tiny bit left over in the kettle.
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