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13brv3@mchsi.com wrote:
Greetings,
This message is for entertainment only. A while back, I mentioned a strange cooling idea that I had, and never gave any more info. Well, here it is. The idea was to come up with a heat exchanger that had a low frontal area, and could be built to whatever shape was available. As a test, I built a small flat plate radiator, and tested it against one of Ed's old evap cores. The results were interesting, and I'm sure it could be made to work, but the weight, and leakage potential made me give it up for now.
Oops! Forgot to mention one point that is important. Flat plate radiators were tried on some pre-WWII planes. They were found to be very efficient and weight effective, especially where there surface area was used as part of the airplane structure. Wing leading edge, for example. The problem was maintenance. One small rock chip would just ruin your whole day.
Also, on the cooling tube idea. I'm considering locating my radiators in the rear, which will require routing some tube back there. If I used this stuff, then I could route cool air over it and possibly use a smaller radiator.
BTW, it is detailed on one of my web pages, but I'm planning on using a AC condensor from a Nissan Altima. It has a large frontal area, but is only 1" thick. My only concern is that the flattened runner tubes will not pass enough water.
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----Because I can----
http://home.nc.rr.com/deltabuilder
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