Thanks for following my tinkering and giving that good advise. I do understand every word of it. A year ago much of it would have gone over my head. I've done a lot of reading since I took an interest in this technology. But sometimes while I am actually doing an experiment I don't think fast enough to fully understand what's going on. Taking data and making charts allows me to absorb it afterwards.
For my next test I will make up a condenser from 20 ft of 1/4 copper tube. Put that in the water bucket in place of the alum coil out of the dehumidifier. I need to see if I can also get good performance from a coil like the one that will eventually be used.
I now have a small scale and will keep track of the charge weight. I have thermo couple reader and will take temps for getting superheat and subcool. I also have silver solder, it's actually easier to work with than tin/lead solder.
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