3 ms·
That's not the pretensioner. The pretensioner is a one-shot pyrotechnic device (i.e. explosive) that pulls in the seatbelt. It's only activated if the car sense
by semi-extrinsic 10y ago
That's not the pretensioner. The pretensioner is a one-shot pyrotechnic device (i.e. explosive) that pulls in the seatbelt. It's only activated if the car senses a crash is happening.
- ynniv 10y agoIt's an ambiguous term. You're talking about a pyrotechnic system that can only be used once, but there are also electronic systems that are a part of daily driving. My point is that the 150ms happens before the person moves at all, so 30mph is not part of the equation.