โAug-24-2015 10:41 AM
โSep-12-2015 09:18 AM
โSep-11-2015 02:37 PM
โSep-11-2015 07:11 AM
โSep-11-2015 05:39 AM
โSep-11-2015 01:45 AM
sushidog wrote:
Here's my first draft of the walls with component layout.
Suggestions for improvement?
Chip
โSep-10-2015 05:53 PM
โAug-29-2015 04:59 PM
โAug-27-2015 09:44 AM
sushidog wrote:
...
What I could do is make a droppable solar/power pod with powered retractable legs, like a slide in truck camper uses. This would allow me to optimally position the solar panels in the sun, facing south, while allowing me unencumbered use of the TV if I desire.
...
โAug-27-2015 07:32 AM
โAug-27-2015 05:50 AM
โAug-26-2015 06:40 PM
sushidog wrote:
Where does one shop for used telecom batteries, and do they come with any guarantee? If I went with 8, 139ah 100lb telecom batteries (wired series and parallel as I assume they are 12v) that would still be 800 lbs of batteries for 278 AH (.35ah/lb), vs 8, S-550s at 984lbs for 428ah (.43ah/lb) though at higher cost. How long can I expect used Telecom batteries to last? I'm sure they are replacing them because they are old and have lost much of their life and capacity, right?
The heat pump runs on native 48v DC drawing 11.5 amps to make 12,000 BTUs of cooling and 12.1 amps for 12,500 BTUs of heating. http://www.geinnovations.net/HSAC_Productline.html I'm looking at the HSAC-12H/C model. This type of AC uses a low-head rotary compressor that scales back its output and current draw based on need. It doesn't cycle like a normal piston compressor so no high current surges are required for start-up. Assuming it runs at full power continually, (an unlikely occurrence) and does not scale back current draw a 200ah bank of golf cart batteries would allow it to run over 8 hours (all night) before the batteries drained to 50% capacity. However with an inverter using considerable battery power, the larger 428ah Rolls bank would be ideal, especially in bouts of bad weather when there is incomplete solar charging. During the day, an elevated 1740 watt solar bank (25+ amps) should be enough to power the AC for several hours during the day as well as at night, without too much power management (reduction of consumption) in other areas.
Like your valid argument against the AIMs inverter, favoring the more durable Magnum - I'd rather pay 3 times as much for new 10 yr Rolls batteries than for ones with 35% less capacity and uncertain life expectancy.
Chip
โAug-26-2015 12:59 PM
โAug-26-2015 12:45 PM
โAug-26-2015 12:44 PM