Omega Owners Forum - Suck Or Blow..........

Craig_R

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Suck Or Blow..........
25. Sep 2007 at 21:20

Right Chaps this is part of my Carputer Project.

I have removed my head unit as my 8inch touch screen will be living there, so I will be needing an Amp installed which I have a 320 watt 4 channel one. I was going to install it where the Bose Amp lives on the eilte but i have a LPG tank and i dont want a Very hot Amp Siting above Explosive Gas Shocked

So I am mounting it in the Cubby Hole on the right hand side of the boot.

I would like to know what these vents are for as i know they open outwards letting air out.

I have installed Two Fans to keep the Amp Cool as I dont want it cooking in a small space as it can get upto 70 to 80 Degs

Do you think I should have the fans sucking out hot air ? or blowing cold air over the amp ?

Thanks

Craig

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« Last Edit: 25. Sep 2007 at 21:33 by Craig_R »

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Dazzler Omega Baron Offline Drive it like you stole it...... Posts: 4459 Sutton, Surrey Gender: Drives: AMG C32 estate	Re: Suck Or Blow.......... Reply #1 - 25. Sep 2007 at 21:23 The two vents are to let out the air in the car, thus stopping it from misting up etc.....
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Marks DTM Calib Administrator Offline Ex Member Posts: 25671 Northern Hemisphere Gender: Drives: Astra J, Mum Bus, Dexta Tractor, 108 DMU wip	Re: Suck Or Blow.......... Reply #2 - 25. Sep 2007 at 21:36 So you want the fans blowing..... And make sure the amp has the heatsink fins vertical to make it cool properly.
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Craig_R

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Re: Suck Or Blow..........
Reply #3 - 25. Sep 2007 at 22:10

I was thinking blowing but all computer PSU suck hot air away from the heat source.

Doh Ill have to turn both of the fans around as they have the little blue thing in the photos a Capacitor which stops me just revercing the wires from pos to neg grrrr Angry

and on the back side there is not guard to stop stuff getting into the fan blades, i guess i could make somthing out of a grill of sorts.

yep the Amp fins will be vertical as i can only mount the amp sideways up with the amp fins facing the fans not laying down because of space its a big old amp

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ffcgary1 Omega Baron Offline I really must get my eyes seen to. Posts: 2263 Mitcham,Surrey. Gender: Drives: 2.5 v6 tourer, 2000 4.0 straight 6 jeep cherokee lpg	Re: Suck Or Blow.......... Reply #4 - 25. Sep 2007 at 23:14 Hi craig, those vents are to allow the air inside the car to exit when you close the doors, if you did not have them, when you closed the doors your windows would pop due to air pressure. Regards, Gary.
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Kevin Wood

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Alton, Hampshire
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Re: Suck Or Blow..........
Reply #5 - 25. Sep 2007 at 23:22

Craig_R wrote on 25. Sep 2007 at 22:10:

I was thinking blowing but all computer PSU suck hot air away from the heat source.

Doh Ill have to turn both of the fans around as they have the little blue thing in the photos a Capacitor which stops me just revercing the wires from pos to neg grrrr Angry

and on the back side there is not guard to stop stuff getting into the fan blades, i guess i could make somthing out of a grill of sorts.

yep the Amp fins will be vertical as i can only mount the amp sideways up with the amp fins facing the fans not laying down because of space its a big old amp

The fans will be working against the airflow through the car unless they are blowing into the cubby hole as those vents is where the air from the climate fan exits the car.

The fans will have a solid state motor in any case so reversing the supply to them is going to let the smoke out of them unfortunately Wink

Edited to say my amp is in there and it works very nicely. No fans but it doesn't get hot. There is airflow through there in most circumstances anyway. Then again my amp rarely gets thrashed.

Kevin

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« Last Edit: 25. Sep 2007 at 23:24 by Kevin Wood »

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Markjay

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London
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Re: Suck Or Blow..........
Reply #6 - 25. Sep 2007 at 23:25

Computers suck in air from the front and blow it out the back.

Ideally you want cool air blowing into the front of the computer and hot air extracted from behind uit.

How you arrange the fans is immaterial, but what you need to ensure is that you create air flow through the computer.

So you can either use the fans to blow air into the front of the computer, suck-out air behind it, or both.

As long as the circulation takes air from outside the car before it goes through the computer and when it comes out extracts it again outside the car.

What you don't want is the air circulating inside the boot, the heat will just build-up.

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« Last Edit: 25. Sep 2007 at 23:25 by Markjay »

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tommy.h Newbie Offline Posts: 2 hyde cheshire Gender:	Re: Suck Or Blow.......... Reply #7 - 26. Sep 2007 at 05:50 vents are to allow air pressure out when windows are shut & blower is on! so would have your fans blowing.
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Craig_R Omega Knight Offline Posts: 1306 Watford Gender:	Re: Suck Or Blow.......... Reply #8 - 26. Sep 2007 at 12:52 Thanks Chaps Blow it is then
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sounds2k Omega Knight Offline Posts: 1046 Queenborough, Kent	Re: Suck Or Blow.......... Reply #9 - 26. Sep 2007 at 13:16 maplin sell grilles - see here ... you might even want to consider filtered ones here ...
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