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2DISCO3ORNOT
Member Since: 27 Apr 2009
Location: at sea
Posts: 1209
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Thankfully I've never had one deploy but what is the lifespan of the airbag system, is there a way of testing that everything is still A Okay 
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 13th Dec 2012 2:02 pm |
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kp
Member Since: 27 May 2011
Location: Sticking the Ex back in the skanks bin
Posts: 2824
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They are stamped generally for replacement at 10yrs old but having seen 15+yr old ones fire perfectly fine there shouldn't be any cause for concern unless the car has been dunked and water got into the unit but i guess there would be other issues to worry about.
IIRC no way to test them other than firing them.. FFRR Owner, very nearly became a D3 owner 
Test piloted a new D4 XS SDV6.. Gone and being forgotten i hope!!
D4 HSE 10MY
D4 XS 11MY
SSRR Destroyer *2
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| 13th Dec 2012 2:04 pm |
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2DISCO3ORNOT
Member Since: 27 Apr 2009
Location: at sea
Posts: 1209
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Just thought Id ask, as most CO2 cartridge based flotation devices need to be serviced regularly, granted its a differnet and harsher environment.
No need to panic yet I've got a couple of years to go 
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| 13th Dec 2012 2:13 pm |
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crews control
Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011
 
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In my ignorance, I believed they were just bags filled quickly with air... and then a dealer showed me one being detonated on a bench, (they're not allowed to send them through the post). Wow that was a shock!!! Quite a significant amount of explosive is involved, lifted the bench off the floor. Enough to take your hand off if you don't know what you're doing.
I'm surprised we haven't started hearing about more people injuring themselves doing home maintenance on older cars yet.
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| 13th Dec 2012 2:21 pm |
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2DISCO3ORNOT
Member Since: 27 Apr 2009
Location: at sea
Posts: 1209
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Me too, I thought it was a CO2 device
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| 13th Dec 2012 3:11 pm |
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Hairy Dan
Member Since: 19 Jan 2011
Location: Co. Durham
Posts: 12319
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Sodium azide (NaN3) reacts with potassium nitrate (KNO3) to produce nitrogen gas and that inflates the bag Sodium azide itself is pretty scary stuff Cheers Ian
--------------------
Club N.E.R.D.S
Kielder 4x4 Safari
Discoless
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| 13th Dec 2012 3:39 pm |
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crews control
Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011
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The way it was explained to me was that the bag is exploded out from the holder at the same time as bag inflation because inflation alone wouldn't be quick enough. Whatever happens, you wouldn't want to be holding one when it goes off !!!
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| 13th Dec 2012 3:46 pm |
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pope227
Member Since: 20 Jun 2012
Location: Boston
Posts: 339
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&desktop_uri=%2Fwatch%3Fv%3D3GSMNS1L8qo
Nuff said. D4 HSE Luxury
Causeway Grey
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| 13th Dec 2012 9:36 pm |
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Hess
Member Since: 07 Mar 2011
Location: Highlands
Posts: 1533
  
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wow....
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| 13th Dec 2012 9:55 pm |
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2DISCO3ORNOT
Member Since: 27 Apr 2009
Location: at sea
Posts: 1209
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Okay so I wont be quite so gung Ho about poking the airbag tool into the steering wheel 
Quote:SafetySodium azide is acutely toxic. Symptoms are often compared with those of cyanide, which is about twice as toxic on the basis of LD50. Ingestion of dust or solutions can induce a variety of symptoms within minutes potentially resulting in loss of consciousness, and death.[7] No toxicity has been reported from spent airbags.[8]
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| 13th Dec 2012 10:42 pm |
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Russell
Member Since: 24 Aug 2007
Location: Kent
Posts: 10564
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Air bags are set off by a chemical reaction, two chemicals combine to make a reaction which creates heat and a rapid expansion. The result is the air bag deploying and a fine chemical powder being spread aound the area, this powder often causes minor burning and discomfort to the occupants. The chards of plastic from the air bag enclousure can travel at very high speeds and also do damage. If you every arrive at an accident and find people trapped in the car, do not lean in through the window especially if the air bag has not gone off. MY17 D5 1st Edition Namib Orange
MY15 D4 HSE Kaikoura Stone
MY12 D4 HSE Nara Bronze Sold and gone
MY11 D4 HSE Stornaway Grey Sold and gone
D3 S spec Silver Sold and gone
Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
D4 camera club
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| 13th Dec 2012 11:54 pm |
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caverD3
Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922
 
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Definite smell of cordite when they go off. “There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely gamesâ€
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.
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| 14th Dec 2012 1:16 am |
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RichardB
Member Since: 04 May 2010
Location: Hants
Posts: 485
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This chat just reminds me of a friend. She used to be a design engineer for JLR. Your airbags design would have had her input. However, she got bored with airbags and is now works as chief engineer on some very expensive yachts around the world.
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| 14th Dec 2012 8:55 pm |
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