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11-16-2010, 07:12 PM
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#1
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Feedback Score: 0 reviews
Join Date: Oct 2010
Location: Atlanta, Georgia
Posts: 469
Liked 8 Times on 6 Posts
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XL Ferm Chamber Build
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11-16-2010, 08:10 PM
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#2
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Feedback Score: 0 reviews
Join Date: Jun 2009
Location: Rockford, Illinois
Posts: 4,074
Liked 21 Times on 21 Posts Likes Given: 3
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Nice! Wanna make me one?
__________________
He who drinks beer sleeps well. He who sleeps well cannot sin. He who does not sin goes to heaven.
Another HERMS rig...
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11-16-2010, 08:11 PM
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#3
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Feedback Score: 0 reviews
Join Date: Jan 2009
Posts: 4,998
Liked 42 Times on 42 Posts Likes Given: 51
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The foil side of the insulation should face to the outside for optimum performance. Be sure to seal it up well to minimize condensation problems. Otherwise, it looks like a very good start. Getting the door to seal well might be the biggest challenge. Do you have a way to ventilate the garage area? It might get pretty hot in there in the summer being that you are in Georgia.
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11-16-2010, 08:47 PM
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#4
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Feedback Score: 0 reviews
Join Date: Apr 2009
Location: Somewhere in the middle of Nebraska
Posts: 866
Liked 13 Times on 13 Posts Likes Given: 4
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I have a similar setup with a 6'X6'X4' box & a 5250 BTU AC unit. It'll get down to 32F in no time. An 8000 BTU unit will be FAST! I didn't insulate it all that much (2 layers of 1" foil) since it's a permanent fixture in a basement room that stays fairly cool to begin with. Cheers!!!
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11-16-2010, 09:36 PM
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#5
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Feedback Score: 0 reviews
Join Date: Oct 2010
Location: Atlanta, Georgia
Posts: 469
Liked 8 Times on 6 Posts
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Yea the garage gets very hot in the summer. There really is no way but to leave the door up a bit. There are no windows or anything so it sucks...
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11-16-2010, 10:42 PM
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#6
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Feedback Score: 0 reviews
Join Date: Jul 2009
Location: Pittsburgh, PA
Posts: 2,740
Liked 53 Times on 50 Posts Likes Given: 51
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Sweet! What "R" value are you shooting for?
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11-17-2010, 01:07 PM
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#7
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Feedback Score: 0 reviews
Join Date: Jun 2007
Location: Hoplanta, Georgia
Posts: 745
Liked 2 Times on 2 Posts
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i would love to see this thing in action. assuming it works well i might do the same and jump on the conical boat.
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11-18-2010, 10:36 PM
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#8
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Feedback Score: 0 reviews
Join Date: Oct 2010
Location: Atlanta, Georgia
Posts: 469
Liked 8 Times on 6 Posts
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Not too sure on the R value. As long as it holds temperature and works I don't care. You can always add more insulation or different types. Its going to be pretty much a test and tune kinda thing.
I still need a time delay relay for the HERM on the ac unit in case the temp controller wants to cycle back on with in 1min 30sec of shut off causing an overload condition because the highside and lowside haven't equaled out.
I still need to build a temp controller and the door. I think I'm just going to use some kinda weather stripping, maybe even just automotive door stripping. I plan to have it sealed up pretty tight, I want to avoid having it cycle a bunch during the summer time. I have just a small 1500watt fan heater for the winter. But even at this point there are times my garage still gets a little warm for my taste. So maybe by the time I finish building it I wont need to use the AC till next March/April (and through that delay get a dorm fridge and dissect it perhaps).
But at this point in time with the money Ive spent on this damn thing, I could have bought a fridge or two off craigslist.... but that wouldn't be fun. Plus Ive got all kinda projects Id like to do before my next batch anyways.
I still need to bottle my Oktoberfest style ale, which has been just sitting in the secondary for some time and I'm just procrastinating.
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11-21-2010, 06:49 PM
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#9
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Feedback Score: 0 reviews
Join Date: Oct 2010
Location: Atlanta, Georgia
Posts: 469
Liked 8 Times on 6 Posts
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So I got a sweet deal on a temp controller from my LHBS and did a test with my space heater.

__________________
"It’s so simple to be wise. Just think of something stupid to say and then don’t say it."
"Gun Control Means Using Both Hands."
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12-09-2010, 08:56 PM
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#10
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Feedback Score: 0 reviews
Join Date: Oct 2010
Location: Atlanta, Georgia
Posts: 469
Liked 8 Times on 6 Posts
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__________________
"It’s so simple to be wise. Just think of something stupid to say and then don’t say it."
"Gun Control Means Using Both Hands."
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