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Posted (edited)

They usually mount this in the passenger window. Why not mount it on the top of the car. Whatever, Those are neat, wonder how well they worked.

 

Rich: Didn't know they used ice. I thought it worked via evaporation like a swamp cooler.

Edited by pflaming
Posted

they used ice inside teh tube and the wind entering the unit pushed the cool air inside the car, but remember not you have wet air inside the car.

 

Never had one on any of my cars.

 

Rich HArtung

Posted

They are evaporative coolers, no dry ice or wet ice necessary, but they work better in low to moderate humidity. Same theory as in Wind chill. A membrane wicked up water. As the air passes through the membrane, it causes water on the membrane to evaporate whichcools the air. No doubt there is a complicated mathematical formula that explains it, and the given change from ambient temp is relatively small, but any change down from 100 degress is welcomed.

Posted

This is an evaporative cooler also known as a swamp cooler. Works on the principle of evaporating water dropping the temperature. If you wet your finger and blow on it your finger will feel cooler. Ice is not required, only water and the water does not have to be cold. These swamp coolers work well in dry desert climates but do not work at all in high humidity conditions.

Posted

Way back when before our family could afford a car with air conditioning my parents tried one of those things. Didn't even make one full crossing in summer from Southern Arizona to Southern California before the decision was made to take it off and roll down the windows. The person sitting right beside it got some cool air but everyone else in the car sweltered. At least with the windows down everyone got equal cooling as the sweat on your skin evaporated. I figure if it didn't work in the dry desert heat it doesn't work anywhere, just for show.

 

The evaporative/swamp cooler we had on the house worked pretty well but that moved a whole lot more air through the house than the car cooler moved through the car. Different beast altogether.

Posted (edited)

Question

Do the rubber coated hooks hang on to the top of the door frame or the glass?

 

After looking at it I guess it would have to hang from the door frame or the glass would get in the way of the exiting cool air, but what then keeps the contraption from falling inside the car if the window is down? I have seen them before, but never paid any attention to the mounting of one.

Edited by DCurrent

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