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07-09-2009, 08:38 PM
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#1
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Newbie
Join Date: Apr 2009
Location: At home
Posts: 40
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Protect my computer against a collision? Impact - car crash
Well guys i am searching a material that could satisfy my needs for what i am doing with my carpc now...will build a plexiglass (acrylic one) case to put my motherboard in there.....just put the pc on my car and then i need to have some kind of material that would protect my pc case against a possible car accident!
I am not worried about my computer!
I am worried about my car and pc electricity!!
So to avoid a broken pc touching my car (i mean electrical problems from that crash....) and having any kind of fire, i plan to build a case and put surrounding that case some kind of foam (??) to protect against collision! I guess an impact absorption material that would protect the case/pc from getting smashed....
Have you got any idead of any kind of material that could satisfy these need?
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07-09-2009, 08:54 PM
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#2
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Variable Bitrate
Join Date: Feb 2009
Posts: 243
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Where do you plan on putting the PC? If you mount it in an area where it wouldn't get damaged unless you're in a major collision, then you don't have to worry about making some kind of foam.
If everything is fused properly, wouldn't that prevent the electrical shorts from causing fires?
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07-09-2009, 10:28 PM
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#3
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Maximum Bitrate
Join Date: Dec 2006
Posts: 631
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Quote: Originally Posted by csfile  Where do you plan on putting the PC? If you mount it in an area where it wouldn't get damaged unless you're in a major collision, then you don't have to worry about making some kind of foam.
If everything is fused properly, wouldn't that prevent the electrical shorts from causing fires?
If you get in an accident, chances are your wires will be trashed, your PC will snap in two, and your fuses will protect from fires. Make sure you fuse it right like csfile said and you'll be fine.
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07-10-2009, 01:07 AM
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#4
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Admin. Don't bug or I'll byte.
Join Date: Sep 2004
Location: Corning, NY
Posts: 6,379
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No worries if you fuse it properly. Any electrical short will blow the fuse and cut the power.
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07-10-2009, 01:14 AM
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#5
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Self proclaimed spoon feeder
Join Date: Jun 2002
Location: Colorado
Posts: 2,676
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I have 'crash' tested three installs... the PC was fine, much better than I did. Two of those totaled the truck... both with bent frames....
Worry about yourself, think no more on protecting the PC or the car from the PC. No need.
__________________
TruckinMP3
D201GLY2, DC-DC power, 3.5 inch SATA
Yes, you should search... and Yes, It has been covered before!
Read the FAQ!
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07-10-2009, 08:53 AM
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#6
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Maximum Bitrate
Join Date: Dec 2008
Posts: 809
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i agree.. worrying about a computer at times when your life would be in danger sounds pretty ridiculous. just take some pictures of your install and send them to your insurance company if anything happens...
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07-10-2009, 09:36 AM
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#7
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Newbie
Join Date: May 2009
Posts: 54
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Fuses... very SRS business.
But seriously, If the impact is anywhere close to the PC, it's gonna be trashed no matter how much tempur-pedic you cushion it with. Just fuse everything properly like mentioned before and you won't have any electrical fire issues.
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07-10-2009, 05:35 PM
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#8
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Newbie
Join Date: Apr 2009
Location: At home
Posts: 40
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Ok guys!
I guess you didnt notice: i dont care about my pc...just care about myself of course....but that also depends on my car too..cause if there is a fire on my car...i may also be injured...
I have my pc on the rear, near the tailights...this is a wagon so i put in here
will go in here where is the multi cd player...so i guess in case of a rear colision or lateral one could have some problems or not...i just wanna prevent the pc parts from touching the frame....i guess its my major concern with electricity...so i would like to surround my case with some kind of impact absorption material if its worth the money and the effort of course.
in fact i also have all protected with fuses like the ones you can see in here:
Maybe i am overoverover worried with this but i like to prevent and dont take it easy on this....
PC is protected by a 30 A fuse...the green one!!!
Is this too much...my PSU can go 250 W on consumption....
Thanks!!
Last edited by 528i_tourer; 07-10-2009 at 05:38 PM.
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07-10-2009, 08:54 PM
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#9
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Self proclaimed spoon feeder
Join Date: Jun 2002
Location: Colorado
Posts: 2,676
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Nice an tidy on the wiring. I think you will be fine with the fused power.
In the unlikely event of a wreck that results in a short the fuse should do it's part.
Additionally, it is not like shorting the battery terminals, various parts of the PC will fail before the risk of shock and fire. This is also true of desk top installs.
Cheers
__________________
TruckinMP3
D201GLY2, DC-DC power, 3.5 inch SATA
Yes, you should search... and Yes, It has been covered before!
Read the FAQ!
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07-10-2009, 09:09 PM
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#10
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Low Bitrate
Join Date: Jun 2009
Posts: 108
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I think your worries are pretty unfounded.. Your PC is running off of 12volts and pretty low amps... 30a fuse? My cig lighter runs on that and I don't worry myself about that! Plus the majority of materials I can see in your photos wouldn't catch fire in any event other than being soaked in petrol! And your tank is UNDER the car, so that's pretty unlikely too!
Seriously, nothings gonna happen lol.
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07-11-2009, 01:19 AM
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#11
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Maximum Bitrate
Join Date: Jan 2008
Location: Dartmouth, MA
Posts: 636
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Quote: Originally Posted by 528i_tourer Maybe i am overoverover worried with this but i like to prevent and dont take it easy on this....
PC is protected by a 30 A fuse...the green one!!!
Is this too much...my PSU can go 250 W on consumption....
Thanks!!
Yes, you are overworried, yes the fuse is too big. Take a multimeter and check the amp draw on the computer during 100% cpu usage and maximum devices you will used connected. Find a fuse for either exactly or slightly more than that number. That way you're 100% sure that if something flukey is happening, the fuse blows. This is good for not just crashes but other things like faulty devices and whatnot.
Quote: Originally Posted by TheGuv 30a fuse? My cig lighter runs on that and I don't worry myself about that!
30 amp fuse for cig lighter? Unless you've changed something the cig lighter circuit is designed for up to 10 amps. I've drawn 40 out of mine with a 40 amp fuse and DID actually have an electrical fire. Theres a reason why the car has the fuses it already has. Obviously, if you've rewired it and done your own thing it should be fine.
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07-11-2009, 01:26 AM
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#12
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Variable Bitrate
Join Date: Feb 2009
Posts: 243
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Very important. Make sure you select the proper wire gauge to handle the amperage that you are fusing. If the wire burns up before the fuse is broken...  For example, 30A fuse on 20 gauge wire is a bad idea.
Last edited by csfile; 07-11-2009 at 01:29 AM.
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07-12-2009, 05:33 AM
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#13
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Low Bitrate
Join Date: Jun 2009
Posts: 108
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Quote: Originally Posted by PaulF 30 amp fuse for cig lighter? Unless you've changed something the cig lighter circuit is designed for up to 10 amps. I've drawn 40 out of mine with a 40 amp fuse and DID actually have an electrical fire. Theres a reason why the car has the fuses it already has. Obviously, if you've rewired it and done your own thing it should be fine.
Came out of Ford like it... Got a socket in the dash, one in the glovebox and one in the boot... If what you're suggesting is right then for my car to have a 30a fuse is justified by the 3 sockets.
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07-12-2009, 11:31 AM
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#14
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Maximum Bitrate
Join Date: Jan 2008
Location: Dartmouth, MA
Posts: 636
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Quote: Originally Posted by TheGuv Came out of Ford like it... Got a socket in the dash, one in the glovebox and one in the boot... If what you're suggesting is right then for my car to have a 30a fuse is justified by the 3 sockets.
That's weird but nice. On most cars they'll give a 10 amp fuse for all the sockets combined, which is highly annoying because each socket can actually handle 10 amps, but they just don't wire it correctly.
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12-23-2009, 01:39 PM
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#15
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Newbie
Join Date: Oct 2009
Location: Issaquah Washington
Posts: 52
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just another vote for over worried about nothing so long as you are properly fused... I have tons of equipment in my truck that run at over 60 amps but everything is fused and wiring is larger than necessary. You have far more chance of the battery shorting out with the sheet metal and catching fire than the PC. If you are running 120v such as me with an inverter the moment that it shorted out the Inverter would either go into overload or blow its fuse again nothing to worry about.
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Shuttle Tear down AMD 1.67g, 2gb RAM, Creative Sound Blaster Audigy. Elios 15" TS monitor on custom mount.
System installed into 2005 Dodge Ram 3500 Cummins Diesel 4x4.
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