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#279568 - 05/07/08 04:55 PM food cooling method without electricity
Amanda Syme Offline

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#279569 - 05/07/08 05:02 PM Re: food cooling method without electricity [Re: Amanda Syme]
SP Daily Offline
A wonderful project!
This system depends on low humidity, arid climate to achieve high evaporation rates...might not work so well in Belize's humid climate.

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#279574 - 05/07/08 05:48 PM Re: food cooling method without electricity [Re: SP Daily]
Amanda Syme Offline
I was thinking about practical applications though, like keeping Cal's beer cool when we go on picnics! It might be good enough for that.... haha

Maybe the sea breezes will aid in the evaporation rates.

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#279590 - 05/07/08 07:07 PM Re: food cooling method without electricity [Re: SP Daily]
wade the gringo Offline
Originally Posted By: Jesse
A wonderful project!
This system depends on low humidity, arid climate to achieve high evaporation rates...might not work so well in Belize's humid climate.


I try to explain a "swamp cooler" that i have at the house here in vegas to friends in other parts of the world. does not work above 25% humidity
_________________________
"But WHY's the rum gone?

www.wadethegringo.com

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#279597 - 05/07/08 09:13 PM Re: food cooling method without electricity [Re: wade the gringo]
pedro2
25% is very low humidity. Surely you mean more like 75%. In England milk was kept cool in pre-fridge days by standing it in a saucer of water, and then covering it with a bell-shaped unglazed earthenware pot that stood in the water. Evaporation did the job, in all weather conditions, so long as it was kept out of direct sun and the water wasn't allowed to run dry.

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#279598 - 05/07/08 09:16 PM Re: food cooling method without electricity [Re: ]
wade the gringo Offline
no, 25% will drop 100 degrees down to 80 degree....anything over just adds to the humidity and does not have a cooling effect
_________________________
"But WHY's the rum gone?

www.wadethegringo.com

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#279599 - 05/07/08 09:23 PM Re: food cooling method without electricity [Re: wade the gringo]
SP Daily Offline

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#279612 - 05/07/08 11:19 PM Re: food cooling method without electricity [Re: SP Daily]
PSSunshinegal Offline
Wade,

When I saw Jesse's post I was going to post, well you just made Wade's point, but decided not to. Now that he has posted the chart, he still doesn't understand that we would not be comfortable at 85 (down from 100) with 40% humidity. Living in the low desert, probably 50% of the population uses swamp coolers until it hits about 25% humidity, so I totally get your post.

Jesse, you would have to experience evaporative cooler to know no matter what your chart shows, it doesn't fly. It is a little like the poster saying that no one bone fishes in SP because he read it somewhere. I don't even turn on the A/C until it is over 100 here in Palm Springs.

janice

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#279632 - 05/08/08 02:28 AM Re: food cooling method without electricity [Re: PSSunshinegal]
SP Daily Offline
So...whats yer point? That evap coolers don't work well in Belize? Right!

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#279660 - 05/08/08 06:31 AM Re: food cooling method without electricity [Re: SP Daily]
pedro2
I read that the mean annual humidity (which must mean relative humidity) in Belize is 83%.
http://www.belizenet.com/weather/climate.html
I was sure 25% was an extremely low value, and I was right.

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