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Old 03-27-2010, 06:57 PM   #1
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Default Pneumatic Keezer

I've recently gotten a chest freezer so I'm looking at different design ideas.
One idea I had, I wanted to see what people though of it as far as praticality and a novel concept.

What I'm thinking is to have the faucets inside the keezer instead of mounted to the lid or a collar. The taps would be mounted to a frame and on slide rails. Using a co2 powered pneumatic piston to raise and lower the taps/drip tray assembly in and out of the keezer.

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Old 03-27-2010, 07:50 PM   #2
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Sounds interesting. So the keezer would have to open every time you need a pint? I'm having trouble visualizing this.

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Old 03-27-2010, 11:42 PM   #3
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A couple of likely problems with the idea: First, every time the lid opens, you'll be admitting moisture into the keezer. This will lead to frost and mold. Second, many, if not most pneumatic components don't like CO2. Pneumatic valve bodies are typically made of Aluminum, with small passages and small poppets. Sooner or later they will fail if you use CO2. Been there, done that. Of course, if you could run it on an air compressor, or a bottle of Nitrogen. But you'll still have a moldy keezer!

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Old 03-28-2010, 12:15 AM   #4
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It sounded like a interesting idea. Although the more I think about it the more problems I find with it like whats been mentioned here. Also, using more electricity to stay cold. The problem I haven't thought of originally was the party scenario of it opening and closing constantly or leaving it open for hours. Neither would be good.

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Old 03-28-2010, 11:33 PM   #5
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Dude....
Don't give up so easy. It def can be done with min time of being open or closed.
Yous a got me thinkin

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Old 03-29-2010, 12:29 AM   #6
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I'll have to draw up some pics to really explain it clearly. One idea I had though is to have an insulated "deck" inside the freezer so that the part over the kegs, etc is covered while the area over the compressor shelf (where the tap mechanism would be located) is the only exposed part. Kind of like having a table shaped piece that sits inside the freezer.

The exterior I plan on it being a wood frame similar to other designs in the DIY area. With a wood lid that fits over the freezer lid. Essentially, it would like like a reg wooden bar where the top swings open to get at the inside of the freezer.

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Old 03-29-2010, 01:26 AM   #7
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What are the benifits you are looking for with this design? Sounds like you want it to be a box that will then transform into you bar with the taps and all, I'm guessing you wanting a tower for your taps as apose to the usual faucets sticking out the front.
Drawings would be good to illustrate what you want, what I am thinking is if you got a new lid made out of wood and cut a hole in that that the tap/tower/drip tray assembly would pop out of. Now I should draw soemthing up to illustrate, maybe I'll do it tonight.

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Old 03-29-2010, 03:50 AM   #8
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The idea for the taps inside the freezer came from the idea of if it could be made without putting any holes in the freezer. I know this could be done using a collar. Although this will be in a game room. A white freezer sitting in the room would look out of place. I haven't ruled out putting taps on top of the lid, but exploring various options and designs first. Another idea that just came to me would be to use the general collar setup while still putting wood around the rest of the freezer. This would all using the top of the freezer to hold glasses, casks, etc in addition to the taps on the collar. That might be something to look into further since it simplifies the build and engineering alot.

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Old 03-30-2010, 05:24 PM   #9
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What do you have in your game room? Any pins?

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Old 03-30-2010, 05:54 PM   #10
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Well lets look and see how this will likely be used. WHen you first come up with the great creation it is so much fun to show your friends, but when practicality kicks in, My bet is that it will sit out 90% of the time being poured from. SO design for the most use there, and live with its eventual 'home'. I havent seen Coolerators have mold problems exclusively from air exposure, although mold does need air. It also needs leaked beer into your cooler for food. Heres a good idea, use the rubber hexagonal surface floor mats for floor surfaces for a layer on your cooler bottom, and rinse the cooler out through the drain on occasion. No bleach, nothing but some detergent. Cleanliness is absolute in brewing, it will never fail you.

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