True. The battery is there to maintain a constant flow, regardless of cloud movement, and to work a little after the sun is not powerful enough.
Sent from my iPhone > On Jul 20, 2014, at 8:47 PM, Steve Upstill <[email protected]> wrote: > > Just a thought: is there any way you can cut the battery out of the equation? > It seems to me that you only need/want the cooler running when the Sun is > out... > >> On Jul 20, 2014 8:40 PM, "'Adam Gensler' via hexayurt" >> <[email protected]> wrote: >> the fan is 0.6 amps. other specs are: Speed: 3000RPM, Noise: 45.90dBA, >> Airflow: 133.60CFM >> >> here it is: Scythe DFS123812H-3000 Ultra Kaze 120mm x 38mm Case Fan - 3000RPM >> >> perhaps i need more power from my panel, which has a max current of .57 amps. >> >> >> >> >> >> >> >> >> Scythe DFS123812H-3000 Ultra Kaze 120mm x 38mm Ca... >> Amazon.com: Scythe DFS123812H-3000 Ultra Kaze 120mm x 38mm Case Fan - >> 3000RPM: Computers & Accessories >> View on www.amazon.com >> Preview by Yahoo >> >> >> >> >> On Sunday, July 20, 2014 5:15 PM, Hunter <[email protected]> wrote: >> >> >> What is the power draw of the fan? What fan are you using? >> On Jul 20, 2014 2:23 PM, "'Adam Gensler' via hexayurt" >> <[email protected]> wrote: >> hello. i'm hoping someone on this list can help a guy out who doesn't >> understand electronics/solar very well. but is trying.... >> >> i'm trying to fix something that didn't work well the first time i tried >> it--solar powered swamp cooler for the desert/burning man. there were two >> problems--the cool airflow wasn't that great (got into the yurt, but didn't >> go very far at all) and it didn't last for as long as i wanted. >> >> i'm basically just powering one computer fan >> (http://www.amazon.com/gp/product/B001JKNMBE/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1). >> >> i am using a 10w solar panel and a battery that is 7 amp hours. the solar >> goes through a controller to the battery to the fan in the swamp cooler. >> i'm thinking there could be 3 reasons for the fail: >> >> solar panel isn't powerful enough: Instapark® NEW All Black 10W >> Mono-crystalline Solar Panel with 12V Solar Charge Controller >> battery isn't powerful enough. >> http://www.amazon.com/Volt-Rechargeable-Battery-187-Terminals/dp/B002QGVWBW/ref=pd_sim_lg_1/189-7076484-2013714 >> sun wasn't powerful last year because of massive forest fire that grayed the >> skies and limited the sun's power. >> >> >> >> >> >> >> >> >> Instapark® NEW All Black 10W Mono-crystalline Solar ... >> Amazon.com : Instapark® NEW All Black 10W Mono-crystalline Solar Panel with >> 12V Solar Charge Controller : Patio, Lawn & Garden >> View on www.amazon.com >> Preview by Yahoo >> >> >> if you have any insights, i'd love to hear them. sometimes i think i should >> use to fans to power the swamp cooler, but i've seen many designs with one >> and people on the interweb claim they've had success with it. also, i know >> there are some formulas that people use to gauge what they need; having >> trouble grasping the interplay between the different parts of the system. >> >> i know very little about this crap. would like the battery to keep the fan >> charged for 8 hours, if possible (starts at sunrise and keeps going through >> the worst heat of the day). also, we will be adding another fan (household) >> this year, so the system will need to work even harder. >> >> thank you in advance. my wife has threatened to bring an air conditioner + >> generator next year, if this 2.0 version doesn't boast improved results. :-( >> >> -a >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/d/optout. >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "hexayurt" group. 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