GAR | GRBP-77-11

Document Number GRBP-77-11

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Document title	UN R117: Proposal for C1 tyre rolling noise temperature correction update
Date	31 Jan 2023

Status
Rulemaking area(s)	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Meeting(s)	GRBP \| Session 77 \| 7-10 Feb 2023 Agenda item 5. (e) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip) Agenda item 5. (e) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
Related documents
Related documents	GRBP-77-12		UN R117: Rolling sound emission - C1 temperature correction proposal (Informal GR review)
Downloads:		.pdf format	.pptx format
Excerpts from session reports related to this document
GRBP \| Session 77 \| 7-10 Feb 2023			24. The expert from IWG MU proposed to update the rolling noise temperature correction for C1 tyres (GRBP-77-11 and GRBP-77-12). GRBP invited IWG MU to submit an official document for consideration at the next session.