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Old 01-13-2013, 05:14 PM   #1
trailertrash
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ac chiller box

well after reading all your posts and threads about chiller boxes i have undertaken my own. weekends only so may take a little longer then normal.
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Last edited by trailertrash; 01-13-2013 at 05:20 PM.
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Old 01-13-2013, 05:35 PM   #2
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Trailer , Look forward to the build. Keep he pics coming!
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Old 01-20-2013, 09:26 AM   #3
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Excellent...this is infectious....whats your over all plans?
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Old 01-20-2013, 04:21 PM   #4
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Trailer is lucky hes doing this on weekends, still time to give the wife some attention lol
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Old 01-21-2013, 01:35 AM   #5
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what....who....wife....wiiife......WIFE.......OMG. .....I knew someone was missing
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Old 01-23-2013, 01:25 AM   #6
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for a little update. my "workshop" is my 12x20 shed not heated and it was bone-A#@ cold this weekend so more planning is being done. my plans start by doing this as cheeply as possable. so far all wood is extra from other stuff done in the past. only money spent so far is about $28.?? for two 4'x8'x1" sheats of blue polysomething. ac was free from a co-worker. did my first testing on the kitchen table and it pulled down to 15f in about 10-15mins. when i turned it off the wife said "your done" good lol. i saw the other ac boxes and i dont like the idea of using a perfectly good cooler for this so i will build a box around the coil/blower side of the ac with osb its cheeper then plywood ,2x4's,pl 200 constrution glue and the poly for insulation. ill layer the poly inside for 2" of insulation and add 1" on the back of the blower side and seal up as needed. 2" on the lid also and use some rachet straps for the tie down. and some form of multi layered plexiglass window. thinking like three 10"x10" stacked with a homemade silacone gasket. so there is a nice air gap between each. get some cable extions for all the other stuff. dvi,hdd,cd,pwr,reset,usb. and the biggest reason i want to go ac chill box route is to get as little codensation as posable. well that is my plans for now any questions ask. this weekend is supose to be nicer like in the 20's to 30's f. sorry for the bad spelling and grammer im a welder/fabactor not an english major lol
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Old 01-23-2013, 10:18 AM   #7
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No one worries about spelling and stuff, your clear with your meaning and being a welder fabricator will be more use to you for this than any of that.

Looking forward to seeing your progress, are you going to air or water cool the components?
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Old 01-24-2013, 10:15 AM   #8
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well to start ill try it with air but will probaly go to water when im not as happy with air lol
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Old 01-24-2013, 10:39 AM   #9
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Better eat those bananas before they go bad ...........

Looks like fun Subbed ........
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Old 01-24-2013, 01:51 PM   #10
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Being a Southern man, I can tell you that those bananas are well past their prime, but just about right for 'nanner puddin'!
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Old 01-24-2013, 11:55 PM   #11
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they got turned in to banana bread lol it was good
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Old 01-26-2013, 06:14 PM   #12
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so it got up to about 24f today so a little more progress. some pics.
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Old 01-26-2013, 06:22 PM   #13
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another question for the higher athourty (people who know better) lol. styrofoam and expanding spray foam in these areas
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Old 01-27-2013, 04:21 AM   #14
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Trailer pics are looking sharp.

Personally i wouldn't put expanding foam where it isn't absolutely any other way to do it. You can't change your mind afterwards with that stuff. You could get some flexible closed foam and force it in there as an alternative. From what i can see anyway you would want to leave that air gap around your compressor for cooling anyhow. If that is the fan motor on the other side of the compressor i would also leave room around that for cooling.

If you are worried about air returning through that back plate you could use some metal tape and silicon where necessary to ensure air tightness.

Looking good so far.
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Old 01-27-2013, 10:37 AM   #15
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ok thanks, i have metal tape lol used to tap temp probs onto stuff
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Old 02-03-2013, 12:47 AM   #16
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Glad to see you've got a good strong base on that thing, it's surprising how the weight starts adding up.

That's an interesting idea using the air con units own fan to circulate air in the box....but there may be a problem that air could enter around the motors shaft.....it's hard to see how tightly things are sealed around there....these things have to be completely air tight or condensation will be a problem.

Last edited by technogiant; 02-03-2013 at 01:03 AM.
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Old 02-05-2013, 10:29 AM   #17
trailertrash
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so what your saying is i should rip it out and put my own fans in there? maybe some deltas?
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Old 02-05-2013, 11:06 AM   #18
technogiant
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I'm not really sure Trailer......I've only built one myself, so I'm no old hand.....but one thing I did learn is that it's very important that it's sealed air tight.....I would have thought the motor shaft would be a point air could get in.....don't know if you are able to see if its tightly sealed there....or if it is even feasible that it could be sealed and still allow for the shaft rotation?

Anyone seen it done like that before?

Last edited by technogiant; 02-05-2013 at 11:13 AM.
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Old 02-07-2013, 08:46 PM   #19
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It looks like you may have thought of sealing the fan motor housing to the metal divider with styrofoam, then let the motor bearings make the mechanical seal with the shaft? If so.. nice idea.. but unfortunately air will get past the bearings and make it's way into the chamber. How do I know this? Lol... took one of my sawed off fan motors and was able to blow right through it with ease. There's no easy way of sealing the shaft either as it would need a wetted(oiled) seal. Keep in mind that the pressure inside the chamber will be lower than your room and will suck air in through the tiniest of openings. Better off going with some 120's and maybe a speed controller.

Great Project!!

Welcome Aboard!!

Last edited by Drewmeister; 02-07-2013 at 08:54 PM.
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Old 02-07-2013, 10:09 PM   #20
trailertrash
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what about using some kind of greese around the shaft? or what you are saying is take the blower out and seal the box and just use some 120's inside the box?
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