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Thread: Ducting through trunk

  1. #1
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    Ducting through trunk

    Hello all:

    I have ed through the forums and I have yet to see a thread about this issue yet. I have seen a couple installs with this setup however.

    I am about ready to install my carputer setup - I need a little bit more money to buy the 8" lilliput, the video switcher setup, IR headphones w/ transmitter and the gooseneck setup. My car currently has a major problem however - my A/C is busted and will cost about $900 to fix (receiver dryer, compressor are busted and I need to recharge it of course). My carputer will be mounted to a MDF board in the trunk where zero airflow occurs. I don't want this puppy cooking.

    The case I chose is a steel In-WIN case (yeah I know, should've bought the alunimum AOpen MicroATX case......). It has a single 80 MM inlet and a 40 MM outlet. I was thinking about buying a ducting kit from CrazyPC (http://www.crazypc.com/Merchant2/mer...duct_Code=4040)
    . This kit provides about 20 inches or so of mylar ducting, hose clamps and adaters to hook up to an 80MM fan. I was thinking of running the ducting to my Grand Prix's openings for the now removed 4" speakers, running a Antec 80MM fan there - which will push air to the 80MM Antec fan that is in the PC case.

    I have seen a few members with this setup. How well has this setup worked for you guys? Has it significantly reduced air tempratures from inside the case? Because I do not have A/C it probably won't do a ton of good right now - but every bit counts.

    How did you guys set up your ducting setups?

    Thanks
    LAKORAI

  2. #2
    Variable Bitrate SickVette's Avatar
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    I do not think pumping cool air from the passenger compartment will make a huge difference when you compare it to removing hot air from the case. If you are using a push pull configuration you should maximize your cooling abillities in your current situation. I am not an expert in computer cooling but I would think circulating the air should do the trick.

  3. #3
    FLAC SnyperBob's Avatar
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    You didn't mention what kind of machine you have. If it's an Epia, I wouldn't really worry about heat issues. If it's a p4, then you may have something to consider. Just think tho, all newer mobos have heat protection built in, they will shut down at a preset temperature level.

    I've never had a problem with my 2.4 GHz P4 Ice Cube case. Just one horizontal fan in there. I really don't think ducting is necessary with newer mobos, or older slower machines. If you are really concerned, just set up the push-pull and you should be fine.

    Once you have a carputer in your ride for some time, you'll be more worried about more important things (vibration).
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  4. #4
    FLAC PatO's Avatar
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    Quote Originally Posted by lakorai
    My car currently has a major problem however - my A/C is busted and will cost about $900 to fix (receiver dryer, compressor are busted and I need to recharge it of course).
    Lucky dog...
    Cost me $1200 to fix!

    Seriously, though. Intel chips have overheat protection built into them (unlike some AMD's). When you experience the problem - then fix it. Toss a fan or two in there and call it quits until you have a reason to put that much effort and money into it.

    And I've always (with an exception of a carboard box) run Plexi cases. They have higher heat retention than steel, so don't worry.
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  5. #5
    Newbie White 350z's Avatar
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    Intake is an issue with cooling. Not to put anyone down, but a lot of people make the statement something along the lines of "getting cool air in isn't as important as getting the hot air out." Without getting any kind of air in, whether warm or cold, your setup won't work as efficiently. Pressure needs to be created in order to have proper flow. Sure, on cooler boards, simply having an exhaust works because they don't get that hot anyway. But start raising the temps and an exhaust-only setup will start to fail.

    If you want to see it for yourself, ride in a truck (no extended cab or anything) with the windows down. If you then slide the back glass open, the occupants get MUCH more air flowing over them because of the pressure created by allowing both an intake and escape. It's pretty neat to observe.
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  6. #6
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    I'm running a Socket 754 AMD Sempron MicroATX setup. My case is a low profile AMD BT Series.

    -LAKORAI

  7. #7
    Newbie White 350z's Avatar
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    Quote Originally Posted by lakorai
    I'm running a Socket 754 AMD Sempron MicroATX setup. My case is a low profile AMD BT Series.

    -LAKORAI
    What PSU are you running? I'm interested in running a high-power chip myself.
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    160GB Seagate S-ATA Drive w/NCQ
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  8. #8
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    It's the standard MicroATX PSU provided by IN-WIN (a "POW MAN" 220W P4 ready ATX - 20 pin ATX + 4 pin 12V).

    I ordered the kit just to be on the safe side.

    -LAKORAI

  9. #9
    MySQL Error MatrixPC's Avatar
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    Man that kit look like a dryer kit from home depot but much cheaper.
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