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View Poll Results: Which system would you choose? V1.0 or Part Duex?
JerBrew V1.0 (3 Nested Kettles) 20 39.22%
Part Duex (BIAB) 31 60.78%
Voters: 51. You may not vote on this poll

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Old 07-10-2009, 04:38 PM   #21
Boerderij_Kabouter
 
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That could work, but sounds a bit cumbersome.

I would do something like this instead:
http://www.homebrewtalk.com/f11/viab...w-pics-103082/


 
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Old 07-16-2009, 03:09 PM   #22
Boerderij_Kabouter
 
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Sparked by a brew in a bag discussion, here is part duex of my portable design series.

First the pot would change to a single kettle with a full steaming basket.



Here is ow you could do AG with a single burner, single pot and single fermenter.


Basic setup this is all you need.


Heat all the water of to sparge temps plus a couple degrees for heat loss. Put grains in a grain bag inside steamer basket.


Transfer sparge water into fermenter and cover with a blanket or other insulation. Add ice cubes to the kettle to bring liquor to strike temps.


Put grain basket into mash and mash for desired schedule.


Raise basket out of wort and sparge with the liquor held in the fermenter.


Boil as usual.


Cool, and transfer back to fermenter.


I would have to figure out some way to vorlauf effectively but I don't see that as a big challenge.

.....................

Discuss.

 
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Old 07-16-2009, 03:12 PM   #23
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WOW.... just had a thought. Remove the burner and replace with a 115VAC heating element and you have the smallest AG system possible.

 
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Old 07-16-2009, 03:45 PM   #24
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You are describing what German Hobby Brewers have at their disposal... electric, with built in temp controls and timers. It really is a cool little system, if not a bit pricey.

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Old 07-16-2009, 03:54 PM   #25
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So which do we think is better? Part Duex packs smaller and is probably cheaper. I think I would go with no chill for part duex to start with.

I think I am leaning toward part duex just for the cool factor. For an easy and pretty cheap upgrade, you could add a pump and a PID for a RIMS... wow, this could be epic.

 
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Old 07-16-2009, 04:05 PM   #26
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I've been kicking an idea around for electric heat which would work well for a compact brewery: a heatstick on steroids.

Get a chunk of steel (such as a large bolt) and drill a hole through it.
Run a copper tube through the hole.
Build an induction heater around it (A big, high freq coil)
Drop the whole deal in a pipe with the copper tube protruding
Submerge both openings beneath the water line
turn on heater
Heat gradient causes water to circulate AND heat

Just a thought
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Old 07-16-2009, 04:12 PM   #27
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Just a heads up, as I did this for a while with the bag (not using my basket) it is going to be HEAVY! You may want to move the kettle to the ground for stability. Say you use 22lbs of grain for a 10 gallon batch, and have an absorption rate of .2 qt/lb, you're looking at lifting 31+ lbs and holding it there, I imagine you'd build a frame to hold the basket?

Also, during the rinse phase, the grain will squish down in the bag in the basket, rinsing becomes a PIA as the water also attempts to run out of the side holes on the basket.
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Old 07-16-2009, 04:17 PM   #28
Boerderij_Kabouter
 
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Yeah, I was thinking I would have to plug the side holes somehow for the sparge and to figure out a hanger arrangement so you aren't holding it up for 30 minutes .

 
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Old 07-16-2009, 04:44 PM   #29
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Quote:
Originally Posted by Boerderij_Kabouter View Post
WOW.... just had a thought. Remove the burner and replace with a 115VAC heating element and you have the smallest AG system possible.
120 would not let you get a big enough element. 220V would be needed.

I like the idea, but you can even eliminate the sparge and get 75% efficiency.

 
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Old 07-16-2009, 04:46 PM   #30
Boerderij_Kabouter
 
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hmmm..... maybe I am back to the propain then. Bummer, that would have been cool.

 
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