Thread: Bad News....
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Old 05-14-2004   #121
Vinny
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Quote:
Originally Posted by Scooter
wolf, it doesnt matter how fast you're going, the airbag sensors only record how abruptly you stop. if you go from 15mph to 0 too quickly they'll deploy ... it's the rate of deceleration.
That is part of it but the air bags are actuated by a crush zone sensor first and foremost, and it has zero to do with how fast you stop if you do not violate the crush zones. It is a device that tells the bag to inflate as the cars crush zones are penetrated.

www.gm.com
Quote:
Whether your frontal air bags will or should deploy is not based on how fast your vehicle is traveling. It depends largely on what you hit, the direction of the impact and how quickly your vehicle slows down.

Air bags are designed to inflate in frontal and near-frontal crashes that exceed a predetermined deployment "threshold." That threshold takes into account a variety of desired deployment and non-deployment events and is used to predict how severe the crash is likely to be in time for the air bags to inflate and cushion the occupants.

Typically, if a vehicle goes straight into a wall that does not move or deform, the bags will deploy at an impact speed of about 9 to 16 miles per hour. Impact speeds that are likely to result in a crash that exceeds the deployment threshold will differ if the vehicle hits something that moves or deforms, or if the impact is localized such as hitting a pole or at an angle. The severity of a head-on crash into a wall at 9 to 16 miles per hour is similar to that of a head-on crash into an identical parked car at 18 to 32 miles per hour. Deployment thresholds can vary with vehicle design, and different manufacturers use different deployment thresholds.
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