Filtered:UN R117 Tire Noise, Wet Adhesion, and Rolling ResistanceRemove filter
UN R51, UN R117 TF Measurement Uncertainties (MU): Status report
Reference Number: GRBP-71-04
GRBP to note the report from the TF MU on its aim to harmonize measures for evaluating systematic errors and random errors to improve the test procedures.
ETRTO proposal for the replacement of the current Standard Reference Test Tyre as it is being phased out as production will stop mid of 2020. Snow performance test in R117 currently requires SRTT14 as a reference tyre. SRTT14 needs to be replaced and test procedure amended.
UN R117/108/R109 Status report by the group of interested experts (GOIE ) on snow tyre provisions
Reference Number: GRBP-71-20
The status report submitted by the group of interested experts (GOIE) from Finland, Germany, Japan, Norway, Russian Federation, BIPAVER, ETRTO and OICA
UN R117 : Proposal to amend the Supplement to the 02 series of amendments
Reference Number: GRBP-71-29
The text submitted by the experts from the European Tyre and Rim Technical Organisation (ETRTO) to amend the Japanese proposal for a Supplement to the 02 series of amendments (ECE/TRANS/WP.29/GRBP/2020/6)