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Search took 0.00 seconds. Search: Posts Made By: jeff5may
Forum: Solar Power 08-02-16, 10:19 AM
Replies: 58
Views: 27,794
Posted By jeff5may
I found a really thorough article on an icy-ball...

I found a really thorough article on an icy-ball style unit, abbreviated SAAR, done as a senior ME design project. The document includes a wealth of practical information, as well as a survey of the...
Forum: Solar Power 07-31-16, 11:56 AM
Replies: 58
Views: 27,794
Posted By jeff5may
The thing with the thing you ponder is the "icy...

The thing with the thing you ponder is the "icy ball" cooler. Spent material is regenerated with heat and the high-temp, high-pressure gas is captured in a closed container. This container is either...
Forum: Solar Power 07-30-16, 11:03 PM
Replies: 58
Views: 27,794
Posted By jeff5may
The hard part of that idea is creating suction....

The hard part of that idea is creating suction. in a window-style phase change air conditioner, the compressor creates suction as well as high pressure. The suction is necessary to force a low...
Forum: Solar Power 07-30-16, 01:05 PM
Replies: 58
Views: 27,794
Posted By jeff5may
here is a unit produced in spain for a minute,...

here is a unit produced in spain for a minute, perfect size for residential use:
Andy Schroder - About Rotartica's Absorption Chiller (http://andyschroder.com/Rotartica/)
Forum: Solar Power 07-30-16, 08:20 AM
Replies: 58
Views: 27,794
Posted By jeff5may
Another one of my wild ideas here... I have...

Another one of my wild ideas here...

I have wondered for a few years if one could run a chiller off of solar thermal collectors. Campers, caravans, and RV's have used propane burner-powered...
Forum: Solar Power 07-30-16, 08:03 AM
Replies: 58
Views: 27,794
Posted By jeff5may
Another one of my wild ideas here... I have...

Another one of my wild ideas here...

I have wondered for a few years if one could run a chiller off of solar thermal collectors. Campers, caravans, and RV's have used propane burner-powered...
Forum: Solar Power 07-24-16, 10:27 PM
Replies: 58
Views: 27,794
Posted By jeff5may
Nearly all of the constant speed compressors have...

Nearly all of the constant speed compressors have permant split capacitor motors in them. When they start, the motor draws full LRA (locked rotor amps) for an instant until the motor starts spinning....
Forum: Solar Power 06-07-16, 09:16 AM
Replies: 58
Views: 27,794
Posted By jeff5may
What Steve said. The generic inverters are ok for...

What Steve said. The generic inverters are ok for experimental use or proof of concept, but I wouldn't trust them to be reliable for a more permanent installation. Like Steve said about power panel...
Forum: Solar Power 06-07-16, 08:25 AM
Replies: 58
Views: 27,794
Posted By jeff5may
Ok, the theory goes like this: say you connect a...

Ok, the theory goes like this: say you connect a 250 watt panel up to your eBay inverter. You then connect the eBay inverter to a wall receptacle with a standard lamp cord (3 pin wired correctly)....
Forum: Solar Power 06-04-16, 10:40 PM
Replies: 58
Views: 27,794
Posted By jeff5may
The 250 wattt micro-inverters are about the...

The 250 wattt micro-inverters are about the smallest you can get. The generic ones start off about 70 dollars, the emphase ones are around 250. Like most electronic equipment, you generally get what...
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