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Gino
Joined: 22 Apr 2006
Posts: 1363
Location: Trinity Beach, AUSTRALIA
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| Posted: Tue Jan 29, 2008 3:15 am Post subject: |
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| fireanimal wrote: | If I do some testing to ensure the amperage load, the current design will work for 4 fans. The circuit can currently work with up to 2 amp draw with no cooling. Any more than that there would have to be heatsinks installed on some of the components. If you were to tell them amperage rating of the fans that you intend on using that would help.
I belive though that most fans to not draw that much wattage. |
Fans are 0.12A / 1.44W
I'm pretty useless when it comes to this stuff, is this pretty easy to install? As I said, I'd like to use it for both my projectors, so I'll need 4, how much will this cost me and how soon can they be made?
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fireanimal
Joined: 17 Jul 2007
Posts: 231
Location: Stayner, ON
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| Posted: Tue Jan 29, 2008 3:26 am Post subject: |
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4 fans are well under the amperage load. Please PM me.
Thanks.
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Gino
Joined: 22 Apr 2006
Posts: 1363
Location: Trinity Beach, AUSTRALIA
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| Posted: Thu Jan 31, 2008 12:52 am Post subject: |
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Thanks fireanimal. I'm actually going to get Joust/Barry to contact you and order some on my behalf. Cheers
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Joust
Joined: 05 May 2006
Posts: 2429
Location: Almonte, Ontario, Canada
TV/Projector: Marquee 8501LC
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| Posted: Thu Jan 31, 2008 1:37 am Post subject: |
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we want to avoid that, if one fan dies it takes out two. Its better to use an efficient switching regulator.
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PaulB
Joined: 26 Oct 2007
Posts: 359
Location: Bonnie (but rainy) Scotland
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| Posted: Fri Feb 01, 2008 9:35 am Post subject: |
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This is how I wired up my 4 belly fans;
I take it this is perhaps not the best way to do it?
Paul
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voodoo7869
Joined: 19 Oct 2007
Posts: 193
Location: Chicago, IL USA
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| Posted: Fri Feb 01, 2008 9:43 am Post subject: |
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it would work fine till one fan goes out then you lose half of your cooling and that can be bad for parts. other than that it would work just fine if you had a way to monitor the fans you could do it this way. like a buzzer or something to let you know you have a fan failure. or an led to tell you they are ok. you get the idea.
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PaulB
Joined: 26 Oct 2007
Posts: 359
Location: Bonnie (but rainy) Scotland
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| Posted: Fri Feb 01, 2008 11:27 pm Post subject: |
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Got it John , excellent!
Paul
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