30 Aug-1 Sep 2023 | Geneva
Download: GRBP/2023/13 from UNECE: .pdf format .docx format
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7. (c) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in Worn State (IWG WGWT).

GRBP-78-15 | Worn Tyres: Proposal for revised Terms of Reference for the working group
GRBP-78-16 | Worn tyres: Status report of the working group
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-15 | Worn Tyres: Proposal for revised Terms of Reference for the working group
GRBP-77-23 | UN R117: Request for consideration of a special case during the 78th (August 2023) GRBP session
GRBP-77-23 | UN R117: Request for consideration of a special case during the 78th (August 2023) GRBP session
GRBP-78-05 | UN R117: Proposal for Supplement 2 to the 04 series of amendments
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-77-23 | UN R117: Request for consideration of a special case during the 78th (August 2023) GRBP session

GRBP is invited to address a proposal by IWG MU which introduces measures to reduce variability.

GRBP/2023/19 | UN R117: Proposal for Supplement 2 to the 04 series of amendments
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-05 | UN R117: Proposal for Supplement 2 to the 04 series of amendments
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-78-15 | Worn Tyres: Proposal for revised Terms of Reference for the working group
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-77-23 | UN R117: Request for consideration of a special case during the 78th (August 2023) GRBP session
GRBP-78-05 | UN R117: Proposal for Supplement 2 to the 04 series of amendments
GRBP-77-23 | UN R117: Request for consideration of a special case during the 78th (August 2023) GRBP session
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations

GRBP will recall that, at its previous meeting, the expert from the American Automotive Policy Council (AAPC) briefly introduced GRBP-77-23 and that GRBP agreed to address the issue in detail at this session.

GRBP-78-33 | UN R117: Proposal for amendments
GRBP-78-15 | Worn Tyres: Proposal for revised Terms of Reference for the working group
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-78-04 | UN R117: C2 noise temperature correction update
GRBP-77-23 | UN R117: Request for consideration of a special case during the 78th (August 2023) GRBP session
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-78-15 | Worn Tyres: Proposal for revised Terms of Reference for the working group
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-28/Rev.1 | New design C3 standard reference test tyres
GRBP-78-05 | UN R117: Proposal for Supplement 2 to the 04 series of amendments
GRBP-78-07 | Measurement Uncertainties when Testing in WP.29 GRBP Vehicle Regulations
GRBP-78-04 | UN R117: C2 noise temperature correction update