Now that scorching hot weather is soon to be upon those of us spending the summer in Phoenix, I remembered this old Scientific American article, about a device that intakes compressed air at the midsection of a length of pipe, and blows a hot jet out one end and a cold jet out the other. My living quarters are air-conditioned, but the garage is not.
http://www.visi.com/~darus/hilsch/ mentions that some other Arizonans may have thought of this too. I wonder if they are members here. If so, I'm curious to know how the spiral chamber is formed. I suppose this is actually a job for hand-filing, but are there any suggestions as to how this might be machined?
http://www.visi.com/~darus/hilsch/ mentions that some other Arizonans may have thought of this too. I wonder if they are members here. If so, I'm curious to know how the spiral chamber is formed. I suppose this is actually a job for hand-filing, but are there any suggestions as to how this might be machined?
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