Working Party on Noise and Tyres | Session 71 | 28-31
Jan 2020
Geneva
The session will be held at the Palais des Nations, Geneva, starting at 2.30 p.m. on 28 January and concluding at 12.30 p.m. on 31 January 2020. The deadline for the submission of official working documents is 4 November 2019.
Agenda Item 5. (d)
UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
Documentation
GRBP-71-05
UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure
UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure
The text proposed by the Chairman of TFMU for the guidelines on the objectives and rules of procedure of the task force.
GRBP/2020/6
UN R117: Proposal for a Supplement to the 02 series of amendments (Japan)
UN R117: Proposal for a Supplement to the 02 series of amendments
Proposal to adapt the rolling-sound measurement procedures to accommodate special C2 tyres presenting a section width wider than 200 mm, aspect ratio lower than 55, rim diameter code lower than 15 and without any dual fitting indication (i.e. the front size 175/75R15 LT and the rear size 235/50R14 LT or the front size 175/75R15 LT and the rear size 265/50R14 LT).