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The Safety Steering
air bag features a "mechanical" impact sensor, which is the
simplest, most reliable type of triggering mechanism.
Unlike most original equipment air bag systems that rely on a
complex web of crash sensors, safety sensors, wiring and an
electronic control module, the mechanical impact sensor is
virtually fail-safe. The crash sensor, which is self-contained
within the steering wheel air bag module, consists of a steel
ball within a tube. When a frontal impact of sufficient force
occurs, the ball is dislodged and slides down the tube,
releasing a firing pin that ignites the inflator. The bag
deploys in 30 to 55 milliseconds (less time than it takes to
blink your eyes), which is just as fast as an original equipment
air bag. |
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