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post #100 of (permalink) Old 12-18-2007, 10:39 AM
EdHahn
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Location: Northern Virginia
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Quote:
Originally Posted by Bleu Omdurman View Post
It seems that a 4pt harness is the answer except I haven't found one that will allow a HANS. Is there one?
No. The way the 4-pt belts (like the Schroth ASM) work is incompatible with the way the HANS works.

Specifically, the ASM has one of the shoulder belts that has a loop of belt material stitched lightly in place. In a hard impact, the stitching parts by design, which allows one of your shoulders to move forward. This twisting of your torso prevents you from submarining. The HANS requires both shoulder harnesses to be tight, so that the harnesses hold the device in place, which in turn holds your helmet in place. Therefore, fundamentally incompatible.

ed

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