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Document Title Proposal to amend the document GRB/2012/11
Reference Number GRB-57-03
Date
17 Jan 2013
Summary 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.
Source(s) ETRTO
Rulemaking Area(s) UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Proposal Status Superseded
Meeting(s)
Related Documents
GRB/2012/11 Proposal for Supplement 3 to the 02 series of amendments to Regulation No. 117
Downloads
UNECE server .pdf format
Excerpts from session reports related to this document
GRB | Session 57 | 5-7 Feb 2013

15. GRB resumed discussion on ECE/TRANS/WP.29/GRB/2012/11, amended by GRB-57-03. The expert from EC expressed reservation on the term of differential lock that could lead to misconception. GRB endorsed the reservation of the expert from EC and agreed to inform GRRF.

15. GRB resumed discussion on ECE/TRANS/WP.29/GRB/2012/11, amended by GRB-57-03. The expert from EC expressed reservation on the term of differential lock that could lead to misconception. GRB endorsed the reservation of the expert from EC and agreed to inform GRRF.