Quote:
Originally Posted by xymox
I rekon if you want to regulate, you could drill a few holes in teh top and the bottom, problem with that is you lose allot of heat on cloudy days. best solution would be to build yourself a little microcontroller (not hard) and trip a relay everytime temp gets above your set point to turn on a cpu fan or something that blows in outside air.
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I was going to hang that piece of shiny sheetmetal on the face of the Collector Box to restrict the amount of suns rays...but as i mentioned on the video, I didnt find it necessary. Had the stagnation water temp. reached 180 f., I would have...but lately on the present 30 degree angle, ive been getting between 135-145 f. on fairly sunny days with the outside temp. in the 90's . Going the CPU fan route sounds interesting but it would have to have an automatic damper so the heat stays in the box when i want it to.