Author Topic: Mash temperature differences  (Read 3727 times)

Offline a10t2

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Re: Mash temperature differences
« Reply #15 on: February 17, 2010, 03:34:09 PM »
That is the sexiest thing I have ever seen.
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Offline dhacker

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Re: Mash temperature differences
« Reply #16 on: February 17, 2010, 05:05:45 PM »
That is the sexiest thing I have ever seen.

The sexiest??   :o

You really should get out more! :D :D
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Offline weazletoe

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Re: Mash temperature differences
« Reply #17 on: February 17, 2010, 06:49:24 PM »
That is the sexiest thing I have ever seen.


No, THIS is the sexiest thing you've ever seen. Awesome tun BTW. What are you using for motors? I'm feeling inspired.

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Offline bspisak

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Re: Mash temperature differences
« Reply #18 on: February 17, 2010, 07:06:59 PM »

Nice.  I was looking for an easy to make stir paddle and this just might be the ticket.  I didn't want to fab something like this article shows, but I do like the idea of getting a toroidal movement of the mash.

How do those propellers do?  Do they create a slow toroidal type movement?  How does the finish hold up?  What motors are those?

Brian

Offline a10t2

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Re: Mash temperature differences
« Reply #19 on: February 17, 2010, 07:26:51 PM »
What just happened? I blacked out, and when I came to there were scratches all around my eyes.
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Offline dhacker

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Re: Mash temperature differences
« Reply #20 on: February 17, 2010, 08:49:23 PM »
No, THIS is the sexiest thing you've ever seen.


I just bored my eyes out . . typing on a braile keyboard wearing my Ray Charles shades . . .  8)


Nice.  I was looking for an easy to make stir paddle and this just might be the ticket.  I didn't want to fab something like this article shows, but I do like the idea of getting a toroidal movement of the mash. How do those do?  Do they create a slow toroidal type movement?  How does the finish hold up?  What motors are those?

Brian


Yes, the propellers do a very nice job of stirring. I'm not sure there is a lot of pulling from the bottom/ pushing to the top action, but never any dough balls and the entire grist is being moved in the water. I am using aluminum fan blades with an extreme pitch for the new tun so I can get better bottom to top action for step mashing with a heat transfer manifold inside the tun . .

Motors are from Herbach and Rademan
http://www.herbach.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=HAR&Product_Code=TM93MTR2470&Category_Code=MTR
 
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Offline stout_fan

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Re: Mash temperature differences
« Reply #21 on: February 22, 2010, 08:01:35 AM »
Just be sure you close the lid before juicing the motors.
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Offline bspisak

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Re: Mash temperature differences
« Reply #22 on: February 23, 2010, 09:36:58 AM »

Did you find a good source for those fan blades?

Offline blatz

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Re: Mash temperature differences
« Reply #23 on: February 23, 2010, 09:39:19 AM »
ahhhh my eyes, my eyes...
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Offline bluesman

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Re: Mash temperature differences
« Reply #24 on: February 23, 2010, 10:43:42 AM »
What the hell was that. It's aliiiiivvveee!
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Offline beersk

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Re: Mash temperature differences
« Reply #25 on: February 23, 2010, 12:29:17 PM »
I wonder how the constant stirring affects efficiency...pretty neat idea though.
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Offline Thirsty_Monk

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Re: Mash temperature differences
« Reply #26 on: February 23, 2010, 02:16:10 PM »
Well commercial brewers use "rakes" to do stirring.
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Offline denny

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Re: Mash temperature differences
« Reply #27 on: February 23, 2010, 03:04:33 PM »
Well commercial brewers use "rakes" to do stirring.

This is one of those areas where I suspect there's a vast difference between what commercial brewers need to do and what homebrewers need to do.
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Offline dhacker

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Re: Mash temperature differences
« Reply #28 on: February 23, 2010, 03:14:32 PM »
Did you find a good source for those fan blades?

I just bought 'em from Tower Hobbies . . nothing esoteric about them.

http://www3.towerhobbies.com/cgi-bin/wti0878p?&N=P&P=1&B=TOPQ5075&E=ZINQ0500&L=PROP

Denny has asked me to do a write up on "Pimp" about my system. Since I'm in the middle of a major upgrade, I'll wait till I'm through, but that will explain all the whys and wherefores. A good part of it is that I'm an engineer who loves to tinker, and must have something to fiddle with!  ;D

As for efficiency?? . . don't know whether there is an improvement or not. I get about 75 to 78 percent with this tun. The main reason for all the doodads is to reduce heat loss during the mash.
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Offline bluesman

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Re: Mash temperature differences
« Reply #29 on: February 23, 2010, 06:05:28 PM »
I generally dough-in to the point (usually about 10 minutes) where I get random temperatures readings within a range of +/- 1 degree. For example, as I dough in for a target temp of 150 and I get between 149 and 151 at various locations around the tun I will put the lid on and set my timer.
Ron Price