Diesel Tech
#1 Crusty Old Fart
- Joined
- Apr 23, 2006
- Messages
- 1,231
Steve ive blown up a few airbags before. the early bags used sodium azide as the gas charge; nasty stuff. Its the gas from the ignitor that makes your eyes burn NOT the powder. New bags use a different gas that isnt half as irritating. The powder is basically talcom (sp) powder.
it deflates as soon as you hit it so I dont see how this affects your ability to steer. They are specifically designed this way. IMO even without an airbag, an impact like that would knock your hands off the steering wheel anyway.
These heavy duty trucks need quite an impact to deploy the airbags because the crash impulse is so low compared to a car or light duty truck. You dont see many crashed HD's with blown airbags.
Once the bag deflates where is it? It's going to hang on the wheel and down to your lap so it covers about 1/2 the wheel up. So now half the wheel is covered, you've got powder all over you and you've been bounced around, your eyes are burning to some degree......... it's going to be pretty tough to try and grab hold of the wheel on the top only and still steer the vehicle. Then if you manage to turn the wheel the bag flips around as you turn it. All in all once the bag comes out its pretty much over for trying to steer it for the rest of the wreck, your just along for the ride.
I do not know if it's still around but at one time NHRA had a rule about having to disable or remove air bags when running under a certain time. This whole discussion was about trying to look at the safety part of these trucks and what could be done to make them safer. It's gotten pretty far off track with people trying to make it into something it isn't. Maybe it can get back to what it was supposed to be and people could put forth ideas to help.