BS ISO BRITISH STANDARD 12161:2006 Road vehicles - Endurance braking systems of motor vehicles and towed vehicles Test procedures ICS 43.040.40 BSi British Standards Not for Ressle BSISO12161:2006 National foreword This British Standard was published by BSl. It is the UK implementation of ISO12161:2006. The UK participation in its preparation was entrusted to Technical Committee AUE/11, Braking systems. secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was Amendments issued since publication published under the authority of the Standards Policy and Amd. No. Date Comments Strategy Committee on29 September 2006 @BSI2006 ISBN 0 580 49278 8 Copyrigh Bilish Standardsinsitution Not for Resale BSISO12161:2006 ISO INTERNATIONAL STANDARD 12161 First edition 2006-09-01 Road vehicles Endurance braking systems of motor vehicles and towed vehicles Test procedures VehiculesroutiersVehiculesamoteuretvehicules tractésdisposant de systemes defreinage d'enduranceProcedures d'essai Reference number ISO 12161:2006(E) ISO No reproduction or networking permitted without license from IHS Not for Resale i Not for Resale BSISO12161:2006 Contents Page Foreword.... Introduction. 1 Scope. 2 Normative references Terms and definitions.. 4 Symbols and abbreviated terms 5 Generaltest conditions.. 5.1 Ambient conditions. 5.2 5.3 Vehicle preparation.. 6 6 Downhilltest 6.1 General.. 6.2 Downhill test track. 6.3 Normal testparameters.. 6.4 Determinationof specifictestparameters... 9 6.5 Conducting the downhill test 12 6.6 Presentation of results...... 14 7 Drag test (gradient simulation test) 14 7.1 General..... 14 7.2 Drag test track.. 7.3 Regulartestparameters. 14 7.4 Determination of specific test parameters.... 15 7.5 Conducting the drag test ... 7.6 Dataprocessing and presentationof results ... 16 8 Indoorvehicletest on atest bench (gradient simulation test). 8.1 General....... 17 8.2 Description of the test bench. 8.3 Normal test parameters.... 18 8.4 Determination of specifictest parameters.. 19 8.5 Conducting the dynamometer test ...... 19 8.6 Dataprocessingandpresentationofresults 20 Annex A (normative)Vehicledata.. 22 Annex B (normative) Test reports. 23 Bibliography. 26 ili No reproo Not for Resale