Review of the UMTRI seating procedure performance towards informing the development of phase 2 of UN R129.
7.3. UMTRI installation procedure
Today, according to François RENAUDIN (DOREL), there are two different UMTRI procedures. One is for dynamic test and one for static evaluation of the adult belt routing on the dummy. The second subject is link to the dummy jacket with grid.
For the first procedure, up to now we can have data as tools are not ready. Labs have not serial production hip liner and can have only some prototype.
We will come back with results to the Chairman when tools & data will be available but CLEPA share first tests results with prototype.
Dinos VISVIKIS (CYBEX) makes the presentation CRS-59-14e. It is presented test results with & without UMTRI procedure at different test condition (without CRS, with good CRS & poor CRS). It was highlight that the new UMTRI procedures do not improve and increase submarining. The main problem is maybe coming from Q3 with bad design?
In the presentation CRS-59-15e, François RENAUDIN (DOREL) show also different tests results by comparison with / without UMTRI procedure. Tests was performed with Q3, Q6 & Q10; with a R44 booster CRS. In conclusion, with the CRS tested, UMTRI provokes important increase of head acceleration for Q6 & Q10 and not for Q3 and do not change other performance criteria.