Tire condition for Coast Down

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Presentation transcript:

Tire condition for Coast Down WLTP-DTP- LabProcICE-168rev1 Tire condition for Coast Down Proposal LabProcICE 2012-11-14 Manuel Schuster – Daimler AG 12.11.2012 I:\E-I\ep-qz-abt\ep_qzm\92 WLTP\12 DTP subgroups\Präsentation\Statusbericht WLTP_Stand Mai2012 Thema RLD-aerodynamics.ppt Titel der Präsentation in 9 pt CorpoS Regular | Abteilung | Datum

WLTP - tire preparation for coast down WLTP-DTP-LabProcICE-168rev1 WLTP - tire preparation for coast down Proposal A 8.000 km run-in tires (70%-90% remaining tread depth) => 3 weeks Proposal B - „should be allowed as an option“ Tire shaving to an equivalent of 7.800 km + 200 km on-vehicle (road/dyno) running-in tire shaving to an equivalent of 8.000 km [B.1] => 3 days running resistance [kW @80 kph] rolling resistance [‰] fuel economy [gr. CO2/km] Test Configuration: S 500 – 4x2 Conti 255/45 R18 Sport Contact 2 tire pressure: front 2,4 bar, rear 2,6 bar 10,4 9,1 - 1,5 10,2 8,6 - 1,6 new A B B.1 tire condition