GAR | GRBP-74-04

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GRBP-74-04

UN R117: Proposal for amendments to the 02 series of amendments

Source(s)

France

Date

24 Aug 2021

Status

Superseded

Subject

UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

Meeting(s)

GRBP | Session 74 | 15-17 Sep 2021

Agenda item 7. (e) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

Proposal to add requirement on the monitoring of the machine deviation for rolling resistance measurement.

Downloads

UNECE server

Related documents

Excerpts from session reports

GRBP | Session 74 | 15-17 Sep 2021

24. GRBP considered GRBP-74-04 and invited the expert from France to liaise with the experts from ETRTO with the aim to prepare a working document for the next session.

GRBP | Session 75 | 8-11 Feb 2022

24. GRBP noted that the experts from France continued consultations with other laboratories on monitoring of the machine deviation for rolling resistance measurements (GRBP-74-04). GRBP invited experts to provide comments to the authors, with a view to preparing an official document for the next session.