UN R117: Rolling sound emission - C1 temperature correction proposal
Document GRBP-77-12
31 January 2023

Proposal from the Noise Measurement Uncertainties informal group for amendments to Annex 3.

Status: Informal GR review
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Previous Documents, Discussions, and Outcomes
5. (e) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

24. The expert from IWG MU proposed to update the rolling noise temperature correction for C1 tyres (GRBP-77-11 and GRBP-77-12). GRBP invited IWG MU to submit an official document for consideration at the next session.

Related and Previous Documents
GRBP-77-11
Relates to UN R117 |