Proposal for amendments to Regulation No. 85
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Proposal to avoid a redundant correction of the measured engine power of supercharged and turbocharged engines fitted with a self-correcting system for ambient conditions such as temperature and altitude. The current correction factor may yield inaccurate results for such configurations.

Reference Number: GRPE/2015/12
Origin: OICA
Date: 31 March 2015
Proposal Status: Superseded
Related Documents:
GRPE-70-02 | Proposal for Supplement 7 to Regulation No. 85
GRPE-70-03 | Proposal for amendments to Regulation No. 85
WP.29/2015/102 | Proposal for Supplement 7 to the original version of Regulation No. 85
Discussion(s):
Working Party on Pollution and Energy | Session 71 | 9-12 Jun 2015

34. The expert from OICA presented ECE/TRANS/WP.29/GRPE/2015/12 proposing amendments to UN Regulation No. 85 to avoid a duplicated correction of the measured engine power in case of self-correcting turbochargers.

35. GRPE adopted ECE/TRANS/WP.29/GRPE/2015/12 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their November 2015 sessions as draft Supplement 7 to the original version of UN Regulation No. 85.