| Proposal to amend the document GRRF/2012/19 |
| Reference Number: GRRF-74-04 |
|
Amendments to the proposal to amend the snow test method for C3 tyres in order to prescribe the wider of the possible speed ranges. Corrects wording to replace “blocking differential” with “differential lock” and mandatory use of differential lock in certain cases. |
| Submitted by: ETRTO |
| Meeting Sessions: 74th GRRF session (19-22 Feb 2013) |
| Document date: 23 Jan 13 |
| Document status: Superseded |
| 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 of editorial corrections to document GRRF/2013/9 |
| Reference Number: GRRF-74-08 |
|
Editorial corrections to the proposal prepared by the European Commission (EC), France and European Tyre and Rim Technical Organisation (ETRTO) to introduce wet grip provisions and testing procedures for tyres of categories C2 and C3. |
| Submitted by: EC |
| Meeting Sessions: 74th GRRF session (19-22 Feb 2013) |
| Document date: 11 Feb 13 |
| 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 |
| Tests supporting provisions for the snow test for tyres of category C3 |
| Reference Number: GRRF-74-43 |
|
Relation between L&R slip ratio difference and ACC without TCS and Differential Lock and Comparison between Traction Control System “ON” and “OFF”. |
| Submitted by: ETRTO |
| Meeting Sessions: 74th GRRF session (19-22 Feb 2013) |
| Document date: 20 Feb 13 |
| 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 for amendments to Regulation No. 117 |
| Reference Number: GRRF/2013/9 |
|
Text prepared by the European Commission (EC), France and European Tyre and Rim Technical Organisation (ETRTO) in order to introduce wet grip provisions and testing procedures for tyres of categories C2 and C3. |
| Submitted by: EC, France, and ETRTO |
| Meeting Sessions: 74th GRRF session (19-22 Feb 2013) |
| Document date: 07 Dec 12 |
| 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 |
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