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 > Your search for posts made by 'red31' found 12 matches.

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RE: Solar panel ratings

'one sun' is 1000 W/m2 this 2013 graph of a seemingly clear blue sky day, may 31, from milford utah, note the peak is over 1000. Solar irradiance - wiki - Irradiance on Earth's surface "Average annual solar radiation arriving at the top of the Earth's atmosphere is roughly 1361 W/m2. The Sun's rays are attenuated as they pass through the atmosphere, leaving maximum normal surface irradiance at approximately 1000 W/m2 at sea level on a clear day. When 1361 W/m2 is arriving above the atmosphere (when the sun is at the zenith in a cloudless sky), direct sun is about 1050 W/m2, and global radiation on a horizontal surface at ground level is about 1120 W/m2. The latter figure includes radiation scattered or reemitted by the atmosphere and surroundings. The actual figure varies with the Sun's angle and atmospheric circumstances. Ignoring clouds, the daily average insolation for the Earth is approximately 6 kWh/m2 = 21.6 MJ/m2."
red31 05/31/22 08:26pm Tech Issues
RE: Propane won't flow? Maybe this....

excess flow is controlled by a little ball that moves to limit flow in case of a hose break. The OPD has a spring loaded valve that needs to be depressed by the POL or ACME to allow flow. A melt-able piece in the ACME melts during a fire and causes the spring to totally shut the valve, not limit it as does the excess flow. Container pressure (and spring) keeps the valve closed with nothing depressing it, opening the OPD valve with nothing connected pressurizes the small space between the main valve and this spring loaded mating surface for the POL/ACME. Shutting the main valve leave pressure on the spring loaded mating surface and may require extra force to open when attaching an ACME/POL.
red31 05/19/22 09:57am Tech Issues
RE: Solar panel

both the panel and motor should have the same resistance @ ~ 10v
red31 04/28/22 06:41pm Tech Issues
RE: Solar panel

the fan will not operate at full speed but should at least spin! 20W Solar Panel / 21W Bulb - A Perfect Match? (part 1)
red31 04/28/22 02:33pm Tech Issues
RE: Walmart 27DC….80 or 109AH?

from a JCI 2003 spreadsheet showing amp hours vs constant draw down load
red31 04/08/22 09:12am Tech Issues
RE: LP Gas Fill ASME Tank possible overfill?

what type of gloves were you wearing when you opened the '80% valve'?
red31 03/24/22 05:55pm Tech Issues
RE: Lithium batteries and alternator protection.

I would assume the youtube test has no fuses. I cannot imagine a 30A fuse holding up to 78.9A
red31 03/12/22 12:31pm Tech Issues
RE: Converting Honda generator to propane

propane has ~73% of the BTU of gasoline/gal For example, conventional gasoline has an energy content of 116,090 Btus per gallon, while propane has an energy content of 84,250 Btus per gallon. As such, 1.38 gallons of propane has the same amount of energy as one gallon of conventional gasoline. I'm sure Propane 'cans' are easily pissanted! Warm months I can only get 4.2 gallons of propane into a 4.6 gallon 'can'. That's 84% times the above 73% yields 61% 'can' for 'can'.
red31 12/02/21 06:37am Tech Issues
RE: Converting Honda generator to propane

What is so difficult about 20# containers, 20# is 80% Exchanges get less, 15# When my S-10 was converted to propane, finding propane on Sundays could be an issue, a simple switch and I ran on gasoline.
red31 11/25/21 07:27am Tech Issues
RE: Need advice on 50 ft cable to portable solar panel

Luckily the panel operates over a wide range of voltages. I use 12g landscape wire
red31 10/11/21 07:23pm Tech Issues
RE: Coleman Mach III 13.5 btu replacement

how much less amperage will a power saver reduce the amperage consumption on a replacement Coleman Mach III PS? have you compared the specs via the document library?
red31 08/08/21 11:46am Tech Issues
RE: Ancient Dometic absorption cooler
red31 07/26/21 10:48am Tech Issues
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