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Poor Man's AC


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35 replies to this topic

#31 Sawdust OFFLINE  

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Posted July 13, 2016 - 08:59 AM

That'd work well when you're out on your tractor and the sun is turning you into a lobster...

I got something like that for me knee after surgery... put ice and water in it, and it pumps to a pad that can be strapped to the knee. It runs off 110 VAC, but it has a wall wart so I imagine it could be adapted to 12v...

Smitty


I had one of those too when I had my shoulders replaced. I think they called mine a Polar Pac. It pumped ice water from a small cooler through a water jacket.
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#32 lrhredjb OFFLINE  

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Posted July 13, 2016 - 10:06 AM

Put what jugs I had frozen in yesterday for a trial run. I have 2 more of the 2.5 liter jugs now to add in when they get frozen.

Not a lot of difference, but a help. Think the other jugs will help as it will fill the box.

Kenny, try some metal  (aluminum) containers like adult beverage screw tops cans, 16 oz size if I remember correctly. You will be able to put more of them in there and it will cause the air flow to take a more convoluted path thereby increasing the transfer of heat to cold air. If I was closer I would be glad to come by and help you empty some.


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#33 KennyP ONLINE  

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Posted July 13, 2016 - 10:31 AM

Kenny, try some metal  (aluminum) containers like adult beverage screw tops cans, 16 oz size if I remember correctly. You will be able to put more of them in there and it will cause the air flow to take a more convoluted path thereby increasing the transfer of heat to cold air. If I was closer I would be glad to come by and help you empty some.

I'd be happy to have you!



#34 holdenboy1960 OFFLINE  

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Posted July 25, 2016 - 08:59 AM

i have wondered if a little 12 V fridge could be utilised to make a A C unit ??



#35 MH81 ONLINE  

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Posted July 25, 2016 - 04:58 PM

Not enough heat transfer.
Best you could do is use it to freeze water and then blow air past it like KP is doing.

How are you making your 12v?
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#36 holdenboy1960 OFFLINE  

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Posted July 29, 2016 - 08:13 AM

some camper & van fridges are 3 way types 12v , gas & ac 


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