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Search: Posts Made By: nexsuperne
Forum: Solar Power 05-07-17, 06:58 AM
Replies: 28
Views: 6,403
Posted By Robaroni
Chevy Bolt

I almost didn't want to like it and we expected it to be a 238 mile range Leaf but found the Bolt to be a really fun car to drive with lots of pep and good handling in a very well thought out car....
Forum: Solar Heating 04-15-15, 10:25 PM
Replies: 4
Views: 1,953
Posted By AC_Hacker
It sounds to me that you are looking for a...

It sounds to me that you are looking for a "Differential Thermostat...
Forum: Solar Heating 12-10-14, 07:00 PM
Replies: 2
Views: 1,871
Posted By solarhotairpanels
Just a thought..

If you are not getting enough pressure running your domestic hot water thru your solar tank, could you possibly turn that solar tank into a closed loop system and run that hot water into the house...
Forum: Solar Heating 12-01-14, 11:48 PM
Replies: 2
Views: 1,871
Posted By jeff5may
sources

Check out these links:

Convoluted Copper (25' x 5/8" No Fittings) | MoreBeer (http://morebeer.com/products/convoluted-copper-25-58-fittings.html)

Bottom of page on this one:
Heat Exchanger...
Forum: Appliances & Gadgets 04-13-12, 11:13 AM
Replies: 19
Views: 6,164
Posted By Xringer
The new monitor came yesterday. Amazon.com:...

The new monitor came yesterday.
Amazon.com: ASUS VS248H-P 24-Inch Monitor - Black: Computers & Accessories (http://www.amazon.com/ASUS-VS248H-P-24-Inch-Monitor-Black/dp/B0058UUR6E)
The LED...
Forum: Geothermal & Heat Pumps 02-19-12, 06:53 PM
Replies: 40
Views: 20,822
Posted By BradC
R407C is a blend of three HFC refrigerants...

R407C is a blend of three HFC refrigerants designed to give it properties similar to R22. Given it's HFC the oil is likely to be POE.

HC's will work with POE oil, however it is mightily...
Forum: Geothermal & Heat Pumps 02-17-12, 12:17 AM
Replies: 40
Views: 20,822
Posted By BradC
A couple of things. Propane is not a drop in...

A couple of things.

Propane is not a drop in for R134a. It has quite a bit higher pressure and finds weaknesses in systems quite quickly. A 60/40 mix of Propane/Iso-Butane gives about the same...
Forum: Geothermal & Heat Pumps 02-16-12, 09:50 PM
Replies: 40
Views: 20,822
Posted By S-F
For cars, when replacing 134a (or whatever) with...

For cars, when replacing 134a (or whatever) with propane I just fill it until it blows cold. I'm no expert but I'm not sure how precise you need to be.
Forum: Geothermal & Heat Pumps 02-16-12, 04:06 PM
Replies: 40
Views: 20,822
Posted By AC_Hacker
Well, when you change the HX(s), you will change...

Well, when you change the HX(s), you will change the internal volume of the system, so you can't go by weight anymore.

Your A/C should have pressure info somewhere on the system.

If you're...
Forum: Geothermal & Heat Pumps 02-16-12, 12:13 PM
Replies: 40
Views: 20,822
Posted By AC_Hacker
If you have the skill set to integrate an...

If you have the skill set to integrate an electronic feed-back system into your project, why would you want to screw around with unmodified refrigerant-to-air HXs?

Bite the bullet and extend your...
Forum: Geothermal & Heat Pumps 02-15-12, 10:53 PM
Replies: 40
Views: 20,822
Posted By BradC
You could realistically expect 160 or more out of...

You could realistically expect 160 or more out of a de-superheater, however you will really want to be condensing at a much lower temperature otherwise your COP will be terrible (for 32F evaporation...
Forum: Geothermal & Heat Pumps 02-15-12, 10:34 PM
Replies: 40
Views: 20,822
Posted By AC_Hacker
Even if you used really good HXs, 130F is getting...

Even if you used really good HXs, 130F is getting pretty close to the maximum you can realistically expect.

...that is not to say that a source of cheap 130F heat can't be usable.

-AC_Hacker
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