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BPnet Veteran
Need some Incubator advice - Controlling CPU fan speed.
I am working on a new homemade incubator. I've got everything going pretty good. But I would like to have the option of slowing down the computer fan I've rigged into it. Ive looked into dimmers(heard this is a No-No for fan speeds), rheostats(cant seem to find anyone that sells them in Toronto Ontario, CAN.) Im just wondering how everyone manages?
Any input is appreciated.
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Why would you want to slow down the fan?
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"The greatness of a nation and its moral progress can be judged by the way its animals are treated." - Gandhi
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BPnet Veteran
I currently have a 12V 300mA CPU fan running(mounted inside my cooler incubator). It is powered by a 120vAC 5vDC cellphone charger. Even under powered the fan is pretty noisey and blowing excess air than needed. That is why I would like to slow down the speed.
I have found a 3watt rheostat at The Source.
http://www.thesource.ca/estore/produ...roduct=2710265
Im not sure if thats exactly what I need. I am googling as much as I can, but there is so much info out there and its all headed in different directions. If anyone can chime in feel free to do so .
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Why not just buy a smaller fan from radio shack, they are rather inexpensive
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"The greatness of a nation and its moral progress can be judged by the way its animals are treated." - Gandhi
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BPnet Veteran
Re: Need some Incubator advice - Controlling CPU fan speed.
Originally Posted by llovelace
Why not just buy a smaller fan from radio shack, they are rather inexpensive
Could you recommend one that is small enough, not very powerful(and/or has speed control), and can be mounted?
Couldn't find any that fit the bill.
Lots of people use cpu fans. Im just wondering how
There has got to be a few people out there that didn't accept one speed for their fan as an option and took it to the next level!
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check out the DIY section for incubator builds, there is tons of information there, about types and how to wire.
Check out what's available at
"The greatness of a nation and its moral progress can be judged by the way its animals are treated." - Gandhi
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BPnet Veteran
Re: Need some Incubator advice - Controlling CPU fan speed.
Ive searched through many stickies and regular threads. None go into detail about fan control. Most just say "slap wires together and presto fan works" more or less.
So, Ill make it my mission. To figure out how to jerry-rig a CPU fan with some control to it. Im sure there's more than a few people on here who can benefit from it.
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Re: Need some Incubator advice - Controlling CPU fan speed.
Last edited by snakesRkewl; 07-16-2011 at 08:32 PM.
Jerry Robertson
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I know, he said computer fan Jerry, but I can see why you had to dial back the fart fan
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"The greatness of a nation and its moral progress can be judged by the way its animals are treated." - Gandhi
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