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  1. #1
    Carseat Crazy kidnurse's Avatar
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    Bracing and RF tethering

    After I had been reading here a few weeks I picked up on the general gist of what bracing and RF tethering are. However, I am now thinking maybe I should find out more actual facts and not just assume that I have come to the correct deductions. So I am hoping someone more knowledgable than I will give me some actual facts on these. Also, I do not understand why some carseats allow these procedures and some do not. What is the difference between carseats that allow RF tethering and ones that don't? Is it just a matter of what has been tested or are there actually structual differences in the carseats that allow or disallow this? And for that matter, same ?'s related to bracing? (beyond the advanced airbag answers)

    TIA-just want to be sure I have acurate information when I defend why I am doing things the way I am and also want to have factual information to pass on to others.

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  3. #2
    CPS Advocate
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    Re: Bracing and RF tethering

    Rear facing tethering reduces rebound and provides stability in side impact collisions. Bracing reduces over rotation.

    We have no way of knowing the other stuff. Britax and Sunshine Kids have obvioiusly tested their seats with a rear facing tether and found that it A. still passed FMVSS minimums and B. offered favorable results. As for other companies, we have no idea if they didn't test at all, or if they did and it caused the seat to fail.

  4. #3
    Admin - CPST Instructor wendytthomas's Avatar
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    Re: Bracing and RF tethering

    We don't know what makes some seats ok to brace and tether and some not to. They've been tested that way, obviously, but otherwise we don't know.

    Britax and Radians allow both, if the car allows bracing. That's it as far as I know.

    Wendy
    wendy, cpst-i mom to
    piper, 7/26/02, 61", 99#, seatbelt
    laine 9/16/09, 46", 54#, Diono Monterey, Chicco KidFit Zip Air
    in a 2015 BMW M235i, and my 2011 Mercedes E350 wagon


  5. #4
    Carseat Crazy kidnurse's Avatar
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    Re: Bracing and RF tethering

    For some reason I just cannot get a handle on what it is that is over rotating. I am thinking it has more to do with the carseat than the child's body, but maybe I am wrong.

    Also another question, what is the difference or where is the line between touching and bracing?

    Sorry, I work nights these days and I am hoping I am not missing a really easy concept in my night shift fog.

  6. #5
    CPS Advocate
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    Re: Bracing and RF tethering

    In a front end impact, the seat will rotate down towards the floor. Overrotation can allow the child's head to jack up dangerously, exposing it to contact with a hard object in the vehicle.

    The difference between touching and bracing is contact versus force

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