Forum: Appliances & Gadgets
12-12-23, 09:54 PM
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Replies: 12
Views: 96,321
Hehehe firearm parts! That's so government like...
Hehehe firearm parts! That's so government like the J6 committee still pushing so the Cheeto can never ever ever make anything (great or otherwise) again. Meanwhile, 3d printers selling like Glocks....
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Forum: Lawn and Garden
04-12-22, 08:43 AM
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Replies: 3
Views: 27,502
For places you want things to grow in again, a...
For places you want things to grow in again, a gallon of cooking/canning vinegar plus a tablespoon of soap (dish soap, laundry soap) does the "kill once" thing okay. Using concentrated vinegar works...
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Forum: Appliances & Gadgets
02-28-22, 08:51 AM
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Replies: 10
Views: 37,507
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Forum: Solar Heating
08-08-21, 04:56 PM
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Replies: 10
Views: 37,685
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Forum: Solar Heating
08-08-21, 04:45 PM
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Replies: 10
Views: 37,685
Finally got a weekend off and threw the little...
Finally got a weekend off and threw the little collector together. I did a worksheet on the solar electricity handbook dot com website for solar irradiance and it said 52 degrees back from vertical...
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Forum: Geothermal & Heat Pumps
08-05-21, 06:46 PM
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Replies: 16
Views: 37,625
Just got a free minute to check the forums....
Just got a free minute to check the forums. Life's been hectic for the last few months and all the side project stuff got put on hold.
It looks as if you are overestimating your compressor mass...
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Forum: Geothermal & Heat Pumps
07-30-21, 12:00 PM
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Replies: 5
Views: 11,168
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Forum: Geothermal & Heat Pumps
07-26-21, 10:12 AM
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Replies: 2
Views: 9,968
It depends on the system. Lots of ifs and...
It depends on the system. Lots of ifs and measurements to verify, like in the picture. The main idea is that there's little to no subcooling in the condenser side of the system when a liquid receiver...
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Forum: Introductions
06-25-21, 09:37 PM
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Replies: 11
Views: 22,323
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Forum: Geothermal & Heat Pumps
06-14-21, 12:33 AM
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Replies: 4
Views: 8,492
You just described how a commercial ice machine...
You just described how a commercial ice machine works. Cycle starts, and a valve fills up a tank to a preset level. A pump recirculates the water over the evaporator / mold. A probe senses the ice...
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Forum: Solar Heating
02-01-21, 06:31 AM
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Replies: 28
Views: 54,766
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Forum: Solar Heating
01-30-21, 06:52 PM
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Replies: 28
Views: 54,766
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Forum: Geothermal & Heat Pumps
01-18-21, 04:45 PM
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Replies: 14
Views: 25,681
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Forum: Solar Heating
01-10-21, 08:26 PM
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Replies: 14
Views: 37,249
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Forum: Solar Heating
01-06-21, 03:05 PM
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Replies: 219
Views: 291,892
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Forum: Solar Heating
12-31-20, 11:47 PM
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Replies: 7
Views: 33,225
Just about all the systems that I've seen that...
Just about all the systems that I've seen that actually work well use the second method you describe. Small e-tube collector loop volume, exchanging heat into a larger tank, usually insulated well.
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Forum: Geothermal & Heat Pumps
12-30-20, 02:55 PM
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Replies: 3
Views: 11,311
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Forum: Geothermal & Heat Pumps
12-30-20, 12:24 PM
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Replies: 3
Views: 11,311
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Forum: Solar Heating
09-21-20, 01:33 PM
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Replies: 16
Views: 38,377
Drain back is not generally recommended with...
Drain back is not generally recommended with evacuated tube collectors. Mainly two reasons:
First, stagnation temperature can literally melt down gasket and sealing materials. When the sun shines...
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Forum: Renovations & New Construction
09-08-20, 04:01 PM
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Replies: 8
Views: 23,758
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Forum: Geothermal & Heat Pumps
08-16-20, 10:11 AM
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Replies: 20
Views: 35,486
Yes, the spot with the black circle is a good...
Yes, the spot with the black circle is a good place to attach one wire of the fuse holder. Just apply the heat to the terminal until it melts, it probably has unleaded solder in the board. The...
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Forum: Conservation
07-31-20, 09:10 AM
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Replies: 8
Views: 30,248
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Forum: Geothermal & Heat Pumps
07-23-20, 02:22 AM
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Replies: 20
Views: 35,486
For what it's worth, I have a gaggle of teensy...
For what it's worth, I have a gaggle of teensy soldering stuff for electronics. My go to is the Weller. All the super pro somewhat expert peanuts have their gadgets of the day, but guess what? Weller...
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Forum: Geothermal & Heat Pumps
06-30-20, 03:05 AM
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Replies: 15
Views: 23,908
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Forum: Geothermal & Heat Pumps
06-24-20, 09:30 AM
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Replies: 20
Views: 35,486
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