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Thread: Seatbelts

  1. #1


    At what weight will seatbelts break or snap?

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  3. #2
    Under what kind of loading conditions? Why are you asking?

  4. #3
    Admin - CPS Technician joolsplus3's Avatar
    Join Date
    Jul 2002
    Chesterfield, VA
    The number I keep hearing in carseat circles (other techs, and my cps class instructors) is 6000 pounds. But, exactly, I'm not sure under what kind of loading conditions, or how that translates into human weight, and what speed of the crash. I'll make a guess and say that should hold a 300 pound person in a 50 mph crash, and, in fact, I've never heard of a seatbelt actually failing (ripping totally in half or the anchors ripping out of the car itself) and causing the occupant to be ejected.

    More technically, I think it's measured in Newtons, but Im not sure how that translates into pounds.
    CPST since 2003, pu"R"ple since 2008, three kids growing too fast since 1997, 1999 and 2006

    Don't let the perfect be the enemy of the good



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