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Re: Harness mounting
Hans-Juergen Schneider wrote:
> The FIA has a webpage at http://www.fia.com
> Take a look at the regulation Art.253 in
> Appendix J of the International Sporting Code
> and you will find some recommended mounting
Thanks Hans for the pointer to the FIA page.
It took me some time to find exactly where Art.253 of Appendix J
was on this page, so for those interested it is at:
BTW, it references Dwgs# 253-42,43,44,45, but I can't find them.
Here are a couple of excerpts from FIA regarding angle and attachment:
"In the downwards direction, the shoulder straps must be directed towards
the rear and must be installed in such a way that they do not make an angle
of more than 45° to the horizontal from the upper rim of the backrest,
although it is recommended that this angle should not exceed 10°.
The maximum angles in relation to the centre-line of the seat are 20°
divergent or convergent.
If possible, the anchorage point originally mounted by the car manufacturer
on the C-pillar should be used.
Anchorage points creating a higher angle to the horizontal must not be used
unless the seat meets the requirements of the FIA standard.
In that case, the shoulder straps of 4-point safety harnesses must be
installed on the rear seat lap strap anchorage points originally mounted by
the car manufacturer.
For a 4-point harness, the shoulder straps must be installed crosswise
symmetrically about the centre-line of the front seat.
A safety harness must not be installed on a seat having no head restraint or
having a backrest with integrated head restraint (no opening between backrest
and head restraint). "
I hope this helps.