Does a larger manifold in the lauter tun help efficiency?

Does a larger manifold in the lauter tun help efficiency?

Post by Randy » Wed, 05 Feb 2003 09:52:47



Just wondering. Mine broke a while ago and I've been getting by with a
smaller one than normal. I don't have enough batches under my belt to tell
the difference yet.

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Does a larger manifold in the lauter tun help efficiency?

Post by Daniel William » Wed, 05 Feb 2003 14:57:46


On Mon, 3 Feb 2003 19:52:47 -0500, "Randy G"

Quote:

>Just wondering. Mine broke a while ago and I've been getting by with a
>smaller one than normal. I don't have enough batches under my belt to tell
>the difference yet.

I made mine smaller on purpose because I kept knocking the thing off
while stirring. Didn't seem to hurt efficiency at all. See my page for
pictures.

--
The Origin of Beer: Simple all-grain brewing
http://homer.ctrust.com/danny/brewing/brewday.html

 
 
 

Does a larger manifold in the lauter tun help efficiency?

Post by D Schult » Wed, 05 Feb 2003 16:08:12


I think you might find a point or two worth of efficiency improvement when
using a manifold/FB with more a consistent drainage profile. Trying to prove
it would take some extensive experimentation. Get brewing!

Burp,
-Dan

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replace "nospam" with "msn" to address email


Quote:
> Just wondering. Mine broke a while ago and I've been getting by with a
> smaller one than normal. I don't have enough batches under my belt to tell
> the difference yet.

> --
> Rack from troob to reply

 
 
 

Does a larger manifold in the lauter tun help efficiency?

Post by Mike Kesle » Thu, 06 Feb 2003 02:35:24


You're talking about your manifold right? If I wouldn't have read the
subject line, I would have really been scared.

Mike


Quote:
> Just wondering. Mine broke a while ago and I've been getting by with a
> smaller one than normal. I don't have enough batches under my belt to tell
> the difference yet.

> --
> Rack from troob to reply

 
 
 

Does a larger manifold in the lauter tun help efficiency?

Post by Lord Dama » Thu, 06 Feb 2003 06:41:53


On Mon, 3 Feb 2003 19:52:47 -0500, "Randy G"

Quote:

>Just wondering. Mine broke a while ago and I've been getting by with a
>smaller one than normal. I don't have enough batches under my belt to tell
>the difference yet.

Shouldnt have any effect... efficiency is the conversion of starches
to sugars... and the size of your manifold doesnt matter... in fact,
some may argue a LARGER manifold leads to less efficency, as its a
place for water not in contact with the grist to get trapped. Of
course, you're probably talking about a .0001% difference...

I wouldnt worry about it. Now... how well your grain is crushed is
another matter entirely :) My last batch, I crushed the grain myself,
and it being my first time, undercrushed apparently, and I got like a
62% efficiency... or 59%... or something terribly low. My recipe
should have been 1.049 when boiled down to 5.5 gallons. I got 1.047
after boiling down to 4.5 gallons :)

 
 
 

Does a larger manifold in the lauter tun help efficiency?

Post by Randy » Thu, 06 Feb 2003 08:16:36


I tried to word it as carefully as I could!
Randy
Quote:
> You're talking about your manifold right? If I wouldn't have read the
> subject line, I would have really been scared.

> Mike

 
 
 

Does a larger manifold in the lauter tun help efficiency?

Post by D Schult » Thu, 06 Feb 2003 09:07:20


I think it will because efficiency also includes the brewers efficiency at
get the sugars away from the malt. Small manifolds will leave dead spots in
he grain bed that won't see as much water flow rate and hence leave sugars
behind.

Wasn't it Palmer that did the flow study with manifolds in an aquarium with
red dye? Anyway, it will show why there would be a difference but I don't
consider it worth  worrying about.

Burp,
-Dan

--
replace "nospam" with "msn" to address email


Quote:
> On Mon, 3 Feb 2003 19:52:47 -0500, "Randy G"

> >Just wondering. Mine broke a while ago and I've been getting by with a
> >smaller one than normal. I don't have enough batches under my belt to
tell
> >the difference yet.

> Shouldnt have any effect... efficiency is the conversion of starches
> to sugars... and the size of your manifold doesnt matter... in fact,
> some may argue a LARGER manifold leads to less efficency, as its a
> place for water not in contact with the grist to get trapped. Of
> course, you're probably talking about a .0001% difference...

> I wouldnt worry about it. Now... how well your grain is crushed is
> another matter entirely :) My last batch, I crushed the grain myself,
> and it being my first time, undercrushed apparently, and I got like a
> 62% efficiency... or 59%... or something terribly low. My recipe
> should have been 1.049 when boiled down to 5.5 gallons. I got 1.047
> after boiling down to 4.5 gallons :)