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Document Title | Proposal for amendments to the 04 series of amendments to Regulation No. 41 | ||||||||
Reference Number | GRB/2015/2 | ||||||||
Date |
19 Nov 2014
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Summary | Under the current 04 series of amendments to UN Regulation No. 41, the engine speed should be measured during all tests in Annex 3 and Annex 7 (Additional sound emission provisions - ASEP). However, IMMA has found that there is very little difference between the measured and the calculated engine speed for a manual transmission (MT) vehicle (Annex, figure 1) and no impact on the test result (Annex, figure 2). Therefore, this proposal would introduce a calculated engine speed for MT vehicles and for continuously variable transmission (CVT)/automatic transmission (AT) with locked gear mechanism into UN Regulation No. 41. | ||||||||
Source(s) | IMMA | ||||||||
Rulemaking Area(s) | UN R41 Motorcycle Noise | ||||||||
Proposal Status | Superseded | ||||||||
Meeting(s) | |||||||||
Related Documents | |||||||||
GRB/2015/2/Corr.1 | Proposal for amendments to the 04 series of amendments to Regulation No. 41 - Corrigendum (superseded) | ||||||||
GRB/2015/2/Corr.2 | Proposal for amendments to the 04 series of amendments to Regulation No. 41 - Corrigendum 2 (superseded) | ||||||||
WP.29/2015/61 | Proposal for Supplement 3 to the 04 series of amendments to Regulation No. 41 | ||||||||
Downloads | |||||||||
UNECE server | .pdf format | .doc format | |||||||
Excerpts from session reports related to this document | |||||||||
GRB | Session 61 | 27-29 Jan 2015 |
6. The expert from IMMA proposed to introduce the calculated engine speed for various types of transmission into Regulation No. 41 (ECE/TRANS/WP.29/GRB/2015/2 and Corr. 1, Corr. 2). GRB adopted the proposal and mandated the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2015 sessions as a draft Supplement to Regulation No. 41. 6. The expert from IMMA proposed to introduce the calculated engine speed for various types of transmission into Regulation No. 41 (ECE/TRANS/WP.29/GRB/2015/2 and Corr. 1, Corr. 2). GRB adopted the proposal and mandated the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2015 sessions as a draft Supplement to Regulation No. 41. 6. The expert from IMMA proposed to introduce the calculated engine speed for various types of transmission into Regulation No. 41 (ECE/TRANS/WP.29/GRB/2015/2 and Corr. 1, Corr. 2). GRB adopted the proposal and mandated the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2015 sessions as a draft Supplement to Regulation No. 41. |
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