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Brianna said:Radian and Nautilus are two, I don't remember if there are others.
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As techs, I think we need to be very careful when it comes to recommending specific CRs for situations without a tether. I know we like to think we have the best solutions for less-than-ideal situations (it certainly helps us feel better about situations which involve our own kids) but the reality is that we have no idea if an untethered Radian is actually better than an untethered Recaro Young Sport in a real crash in a real vehicle. As I've stated numerous times before - FMVSS 213 compliance test data is only relevant if you happen to drive around with your kids secured on a standardized test bench. 213 compliance data doesn't even tell us how a CR would perform when installed with a 3-pt belt! Considering that the vast majority of seatbelt-installed CRs on the road right now are installed with lap/shoulder belts - I'd say that 213 compliance data is fairly irrelevant.
I do believe, in general, that a CR with a low center of gravity which installs very tightly and gets as close to flush with your vehicle seat as possible (so the child's head is starting off at a point as close to the vehicle seatback as possible) is going to help.
The other thing that can *really* help is adjusting the position of the seat in front of the untethered CR if and when that's possible to allow more room for HE before contact occurs.
For techs with access to a current LATCH Manual - I would direct you to pg 64 and the section on "Options if no suitable TA exists".
ericarizo said:I am looking for a seat for my own personal vehicle which does not have a TA spot. I was not asking for someone else's child or vehicle. I currently have a Argos70 that was just purchased and just wondered how it would do UN-tethered.
I know that the special needs seat...."spirit?".....does not have to be tethered if using the long belt path to install. And that seat will accomodate a child over 100 lbs (i believe). I cant help but wonder if the same theory would apply to the Frontier as well? No data to back that thought up. But its something to think about. Maybe someday britax will crash test this ......or maybe they have.
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I've seen it discussed quite a bit that the lbp on frontier would hold the upper part of the seat back in a tether-like fashion. Between the radian and frontier, though, I would go w/ the radian untethered because it is rated to its full 80# w/out tt and the fr85 requires it after 65, which gives me something to think about. Also, the long belt path on the frontier is only for use with lap/shoulder and can't be used w/ lap belt only-according to 1 post britax said it failed w/ lbp in lap belt only. That tells me that the head excursion (or another parameter but he is most obvious) on the lbp w/ lap belt only is greater than the excursion on sbp w/ lap belt only so even though we may reduce excursion by having the shoulder belt over the upper portion on lbp, we don't know if it's more or less than what we lose in switching from sbp to lbp on the bottom. Therefore, I don't feel that we can surmise lbp w/ lap-shoulder has less excursion than sbp. It may have less, but I don't think we can say that based simply on switching to lbp.
I think Beth was just discussing a theory. I don't think she was implying that we should "play God" and do this. It was just a theory she had based on the performance of the special needs seat.
We've got an annoying lap belt only position w/ no headrest that I need to figure something out for eventually.
Does that position have a tether anchor?
You said you'll have to figure out something "eventually." I assume this means you are good for now but are looking for a solution for the future? How old will your children be when you need to use this position?
I think Beth was just discussing a theory. I don't think she was implying that we should "play God" and do this. It was just a theory she had based on the performance of the special needs seat.
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