| Proposal to amend the Worn Tyres informal working group Terms of Reference |
| Reference Number: GRBP-73-02 |
|
Proposal to expand the scope of the activity to include C2 and C3 tyres. |
| Submitted by: EC |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 04 Jan 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Proposal to amend the Worn Tyres working group terms of reference |
| Reference Number: GRBP-73-08 |
|
Proposal to include requirements for wet grip of tyres of classes C2 and C3 in worn state to the scope of the working group activities. |
| Submitted by: ETRTO |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 21 Jan 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| ETRTO Tyre Performance Study |
| Reference Number: GRBP-73-11 |
|
Overview of UTAC CERAM testing designed to consider the impact of additional tightening of tyre performance limits on the balance |
| Submitted by: ETRTO |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 21 Jan 21 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Revised terms of reference for the Sound Measurement Uncertainties informal group |
| Reference Number: GRBP-73-16 |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 21 Jan 21 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report of the Worn Tyres working group |
| Reference Number: GRBP-73-18 |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 21 Jan 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres |
| Reference Number: GRBP-73-19 |
| Submitted by: ETRTO |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 21 Jan 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres |
| Reference Number: GRBP-73-22 |
| Submitted by: ETRTO |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 27 Jan 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Priorities of the Working Party on Noise and Tyres (GRBP) |
| Reference Number: GRBP-73-24 |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 27 Jan 21 |
| Relevant to: UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, and UN Regulation No. 165 | Audible Reversing Warning Systems |
| Click here to view the full document file |
| Working group on Worn Tyres: Proposal for revised terms of reference |
| Reference Number: GRBP-73-27/Rev.1 |
| Submitted by: EC, ETRTO, and France |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 29 Jan 21 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Draft list of main decisions during the 73rd (January 2021) GRBP session |
| Reference Number: GRBP/28/Rev.1 |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021) |
| Document date: 29 Jan 21 |
| Relevant to: UN Regulation No. 30 | Pneumatic Tires, UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 75 | Motorcycle and Moped Tires, UN Regulation No. 109 | Retreaded Tires for Commercial Vehicles, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, UN Regulation No. 124 | Passenger Car and Trailer Wheels, UN Regulation No. 141 | Tyre Pressure Monitoring Systems, UN Regulation No. 165 | Audible Reversing Warning Systems, and UN Regulation No. 164 | Type Approval of Studded Tyres |
| Click here to view the full document file |
No matching documents.