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| Document title | Proposal for amendments to the 04 series of amendments to Regulation No. 41 | ||||||||||
| Date | 14 Nov 2014 | 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 | ||||||||||
| Status | Superseded | ||||||||||
| Rulemaking area(s) | |||||||||||
| 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| GRB/2015/2/Corr.1 | Proposal for amendments to the 04 series of amendments to Regulation No. 41 - Corrigendum (Superseded) | ||||||||||
| GRB/2015/2/Corr.2 | Proposal for amendments to the 04 series of amendments to Regulation No. 41 - Corrigendum 2 (Superseded) | ||||||||||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 (Adopted text published) | ||||||||||
| Downloads: | .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. |
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