Possible future tyre noise limits
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Presentation of the benefits envisioned by the Netherlands from the use of AAA tyres.

Reference Number: GRB-61-03
Origin: Netherlands
Date: 26 January 2015
Related Documents:
GRB-61-03/Add.1 | Possible future tyre noise limits (presentation)
GRB-61-18 | ETRTO comments on GRB-60-08, GRB-60-12, GRB-60-14-Rev.1 and GRB-61-03
GRB-62-09 | Statistics of tyre noise label values in Original Equipment Manufacturer (OEM) tyres
GRB-62-11 | Proposal for amendments to the 02 series of amendments to Regulation 117
GRB-62-17 | Comments on tyre noise performance and proposal for higher stringecy
Working Party on Noise | Session 61 | 27-29 Jan 2015

18. The expert from the Netherlands recalled the two studies presented at the previous session of GRB and introduced further arguments for tightening tyre noise limits in Regulation No. 117, together with the text of draft amendments (GRB-61-03 and Add.1). The expert from ETRTO questioned if the pool of tyres selected for the Dutch studies had indeed been a representative sample (GRB-61-18). He further pointed out that, for the time being, the tyre industry was busy meeting the requirements of 02 series of amendments to Regulation No. 117 which had recently come into force, in November 2012. According to him, until the completion of this process by 2018-2020, it would be premature to consider further reducing of tyre noise limits. The experts from China, Norway and Switzerland agreed that the proposal by the Netherlands needed further study. The experts from France and Germany pointed out various problems with labelling of tyres. GRB invited experts to provide their comments on the Dutch proposal and decided to revert to this issue at the next session on the basis of a new informal document containing the draft amendment proposals tabled by the expert from the Netherlands in GRB-61-03.