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  1. #1
    bobnaz
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    Yes | No

    Head and Neck Restraint Systems

    Which product provides better saftey? Any studies?

    Simpson D-Cel vs Hans...or others?


  2. #2
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    Member No: 63403 txse46m3 is an unknown quantity at this point txse46m3's Avatar
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    Yes | No

    HANS! Here's a huge video worth downloading!


    right click, save as, 110Mb Nascar head restraint testing results<p align="center"><a href="http://www.doubledracing.net">
    <img border="0" src="http://members.roadfly.com/txse46m3/hotsauce_scornedwoman.jpg"></a></p>

    DoubleD Racing
    Mod List: Buncha stuff that makes it sound like a barrel of washers rolling down the street.

  3. #3
    Lynn Cochran MD
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    Yes | No

    Re: Head and Neck Restraint Systems

    You can download the original SAE papers published by John Melvin on the SAE website. Studies in 2002 and 2004 reveal:
    50G sled crash = 8000N on neck.
    > 4000 N = basilar skull fracture (opposite of hanging, body stays in place and head moves under force of impact)
    All devices tested other than HANS ~ 3900 N (Hutchens, D-Cell, G-Force)
    HANS = 1000 N
    HANS was also effective in a 100 G sled crash!
    Review of crash database suggested HANS would have been protective in 7/8 deaths reviewed.
    Debate over.
    Lynn Cochran MD

  4. #4
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    Member No: 12904 pmiranda is just really nice pmiranda is just really nice pmiranda is just really nice pmiranda is just really nice pmiranda's Avatar
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    Yes | No

    There's also the ISAAC

    <img src="http://members.roadfly.org/pmiranda/TMCM_anim.gif">
    02 LeMansBlue/Silverstone M5
    98 EstorilBlue/Grey M3

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