View Full Version : Blah computer fans
hoodrider
08-20-2006, 04:48 AM
Well i went and bought an adapter and i'm very disapointed. When i hook up two pc fans and turn it to 12 volts it barely moves any air... I don't see how you guys hook up 6 fans to a single adapter.
Skeebo
08-20-2006, 12:25 PM
Hmm... that is odd. I cooled a 70w HPS cabinet for years using only 2 12v computer fans. The must be something wrong. Mismatched voltage, or maybe your adapter is running short in the milliamp department (maybe it is a cellphone charger or a trickle charger). Or maybe you were expecting hurricane for winds out of a couple small fans? Try a different adapter.
hoodrider
08-20-2006, 03:13 PM
It's ood because it says 1300mA, but then i found an older phone adapter laying around the house that is 12V and 500mA and it blows stronger than the 1300mA one.
the image reaper
08-20-2006, 03:19 PM
buy these 115volt , 81cfm, quiet, computer fans, http://www.coolerguys.com/840556026389.html ... and be done with all that adapter crap ... I have one, and it is very heavy-duty, seems like it will last a long time ... :smokin:
jamstigator
08-20-2006, 03:23 PM
I like those 115v fans myself, and use one in each of two small cabinets. They've been working great, for quite a while. I tried that computer fan wiring shit too, but that just didn't work out well for me, so I got those ones that just plug in. I like simplicity!
hoodrider
08-21-2006, 03:53 AM
Well i've figured out how to wire the fans fairly well just wish i didn't spend the money on that weak adapter as i don't even need it.
hoodrider
08-21-2006, 05:44 AM
Yesterday i had one exhaust fan running and temps went to around 93F i just installed a second exhaust and i'm going to run it for an hour and see what the temps do.
BukDatAss
08-21-2006, 06:04 AM
Yeah let us know how those fans work out???
hoodrider
08-21-2006, 06:40 AM
Well temps are down to about 89F I still need to add a nice inlet... i'm gonna mess around some more and see what i can come up with.
hoodrider
08-22-2006, 06:56 AM
Ok today ambient air temps was cooler and so was the cabinet. I've measured it a couple times and it seems to be staying around 79F. So i still need to make a decent inlet and add a ciculation fan inside the cab. That will come tomorrow, i should also have pics soon.
hoodrider
08-23-2006, 01:26 AM
Has any one had the problem of their week old seedlings falling over and the stem being bent? Two out of three have done that to me, but i recently taped them to a toothpick to keep them up right, but the stems are pretty bent. I'm hoping the nutrients can get through and they live. Other temps have been good.
jamstigator
08-23-2006, 09:58 AM
I had that happen with a seedling. I propped it up vertically, and it's doing fine now. Not sure what made it bend and fall over like it did.
the image reaper
08-23-2006, 04:46 PM
just remember, if those plants were outdoors, they would be about 100 degrees today ... :D
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