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| Document Title | UN R117: Presentation on evolution of tyre limits rolling resistance in new condition wet grip in new & worn condition | ||||||||
| Reference Number | GRBP-75-30 | ||||||||
| Date |
4 Feb 2022
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| Source(s) | EC | ||||||||
| Rulemaking Area(s) | UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance | ||||||||
| Meeting(s) | |||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .pptx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRBP | Session 75 | 8-11 Feb 2022 |
23. The expert from EC proposed to strengthen tyre rolling resistance and wet grip performance requirements (GRBP-75-29 and GRBP-75-30). GRBP invited him to submit an official document for consideration at the next session. The experts from Germany and the Netherlands stressed the importance of rolling noise and the need to include it in the scope of the future modifications as well. |
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