Ok I am going to make a false floor for my amps to go in.
How do I go on with Ventilation?
Do I need some fans or something?
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False floors and fans
Started by Markb, Aug 05 2002 00:26
14 replies to this topic
#1
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Posted 05 Aug 2002 - 00:26
Polar Sea Blue Astra SRi
#2
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www.vectra-sport.com
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Posted 05 Aug 2002 - 01:50
yes, pc fans are the way to go.
one either end, one to blow one to suck air back out.
one either end, one to blow one to suck air back out.
www.vectra-sport.com
#3
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Posted 05 Aug 2002 - 13:42
Have a scout round in your boot behind carpets etc..
You should find some vents (one either side) that let the air in the car escape when you slam the door.
Put fans in the rack, and use plastic tubing to duct the air in/out of these.
Amit
You should find some vents (one either side) that let the air in the car escape when you slam the door.
Put fans in the rack, and use plastic tubing to duct the air in/out of these.
Amit
Follow the progress of my 1969 camaro project here Project NightHawk - currently undergoing serious the metal work resto
#4
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Posted 05 Aug 2002 - 17:18
What voltage do these computer fans run at?
How do I wire them so they only come on with my stereo?
How do I wire them so they only come on with my stereo?
Polar Sea Blue Astra SRi
#5
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Posted 05 Aug 2002 - 17:57
You need a relay, which uses the remote turn on to switch a higher ampage supply, which can run fans & neons etc.
There was a v good site about relays etc. but it has disapeared. you will need 1 relay, 1 switching diode (to protect head unit) 2 fuses holders, 1 for signal from head unit and 1 for signal in.
I put all mine in a lovely little tweed box my gran nitted me (honest...or it might have been a black pastic box from Maplins)
All the parts are available from Maplins.
This is how my false floor was done...
<a href="http://www.sounddomain.com/id/dalepickles" target="_blank">http://www.sounddomain.com/id/dalepickles</a>
I hope this helps.
Computer fans run at 12V but if you go down maplins, they have fans from 40mm up to 120mm.
There was a v good site about relays etc. but it has disapeared. you will need 1 relay, 1 switching diode (to protect head unit) 2 fuses holders, 1 for signal from head unit and 1 for signal in.
I put all mine in a lovely little tweed box my gran nitted me (honest...or it might have been a black pastic box from Maplins)
All the parts are available from Maplins.
This is how my false floor was done...
<a href="http://www.sounddomain.com/id/dalepickles" target="_blank">http://www.sounddomain.com/id/dalepickles</a>
I hope this helps.
Computer fans run at 12V but if you go down maplins, they have fans from 40mm up to 120mm.
Dale
#6
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Posted 05 Aug 2002 - 17:57
PC fans are 12V (handy that).
Wire in a relay which is operated by the remote out from your head unit. This relay can also feed the amp(s). Maplins sell a suitable relay for about 50p
Wire in a relay which is operated by the remote out from your head unit. This relay can also feed the amp(s). Maplins sell a suitable relay for about 50p
XPK_06 said:
I'm gonner sound like a bummer here, but I quite enjoy the hole activty
HeavyChevy said:
Maybe the government should stop telling me to stop eating thick sliced white bread and tell people to stop smoking crack instead.
#7
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Posted 05 Aug 2002 - 18:04
Can I wire something so I can use the power from my boot light, and make it turn on with the remote turn on?
What parts would I need?
What parts would I need?
Polar Sea Blue Astra SRi
#8
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Posted 05 Aug 2002 - 18:08
U need 1 relay from maplins (40amp one will easily do and costs £1.50) 2 fuses holders (lil white ones which need soldering to wire) with a 1 amp fuse on head unit remote turn on and 5 or 10 amp fuse on power input. You can take the power input from the main power feed to the boot.
All you need is then a diode which stops negative voltage going back up to the head unit if you blow a fuse on the amp. The negative voltage can kill the remote turn on output.
When i get home i'll give you all the part numbers and take some pics of how i done it.
All you need is then a diode which stops negative voltage going back up to the head unit if you blow a fuse on the amp. The negative voltage can kill the remote turn on output.
When i get home i'll give you all the part numbers and take some pics of how i done it.
Dale
#9
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Posted 05 Aug 2002 - 18:14
Cheers mate.
Polar Sea Blue Astra SRi
#10
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Posted 06 Aug 2002 - 05:06
Did you get chance to look for me?
Polar Sea Blue Astra SRi
#11
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Posted 06 Aug 2002 - 05:10
I'm doing it right now....5 min :)
Dale
#12
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Posted 06 Aug 2002 - 05:19
Relay.... page 189 part# LJ68Y
Rectifier Diode... part# QL73Q
Fuse holders... part# RC70M x 2
fuses... 1 amp part# GL74R 5 amp part# GL81C
There are 4 terminals on the bottom of the relay, labelled 85, 86, 87 and 30.
The remote turn on from head unit goes to terminal 85.
terminal 86 goes to ground
terminal 30 is power in, so from your distribution block
terminal 87 is the remote turn on output that can power all your fans etc.
The diode needs to be soldered to terminal 85 and 86, there is a little line on the diode, this should be towards terminal 85.
Remember to fuse the inputs into terminals 85 and 30, 1 amp on the 85 and the 5 amp on the 30.
It is easy to do, sounds complicated, but easy. This was the first bit of soldering i did :)
I then put mine in one of Maplins small black plastic boxes and use speaker terminals to connect the wires outside, i'll get a pic of it 2morrow for you. :)
I hope this helps
Rectifier Diode... part# QL73Q
Fuse holders... part# RC70M x 2
fuses... 1 amp part# GL74R 5 amp part# GL81C
There are 4 terminals on the bottom of the relay, labelled 85, 86, 87 and 30.
The remote turn on from head unit goes to terminal 85.
terminal 86 goes to ground
terminal 30 is power in, so from your distribution block
terminal 87 is the remote turn on output that can power all your fans etc.
The diode needs to be soldered to terminal 85 and 86, there is a little line on the diode, this should be towards terminal 85.
Remember to fuse the inputs into terminals 85 and 30, 1 amp on the 85 and the 5 amp on the 30.
It is easy to do, sounds complicated, but easy. This was the first bit of soldering i did :)
I then put mine in one of Maplins small black plastic boxes and use speaker terminals to connect the wires outside, i'll get a pic of it 2morrow for you. :)
I hope this helps
Dale
#13
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Posted 06 Aug 2002 - 05:26
Cheers mate.
I think I still need the pic to guide me :)
I think I still need the pic to guide me :)
Polar Sea Blue Astra SRi
#14
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Posted 06 Aug 2002 - 05:31
the site is back up, i just accessed it.
the relay section is..
<a href="http://www.eatel.net/~amptech/elecdisc/relays.htm" target="_blank">http://www.eatel.net/~amptech/elecdisc/relays.htm</a>
The site has some v useful stuff and the main site is...
<a href="http://www.eatel.net/~amptech/elecdisc/caraudio.htm" target="_blank">http://www.eatel.net/~amptech/elecdisc/caraudio.htm</a>
the relay section is..
<a href="http://www.eatel.net/~amptech/elecdisc/relays.htm" target="_blank">http://www.eatel.net/~amptech/elecdisc/relays.htm</a>
The site has some v useful stuff and the main site is...
<a href="http://www.eatel.net/~amptech/elecdisc/caraudio.htm" target="_blank">http://www.eatel.net/~amptech/elecdisc/caraudio.htm</a>
Dale
#15
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Posted 07 Aug 2002 - 17:12
Hi just been reading this post with interest. I've built a false floor and just need some MDF now to create the cover. I have a small perspex panel which I frosted over but kept the logo clear, and want to light it up using a neon strip. Can I take a feed from the boot light to make it work only when the boot is opened? I assume this is ok and requires no relays? Can a fan be made to work in exactly the same way?
Cheers, Naresh
Cheers, Naresh
