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1、InformalDocumentNo.15nd52GRRF,16-18September2002Agendaitem6.1.SubmissionbytheUnitedStatesofAmericaforinformationonthestatusoftherulemakingonthenewtirestandard,FMVSS139TIRESTANDARDUPGRADE–FMVSS139MajorCommenterstoNPRM:DocketNo.8011??AdvocatesforHighwayandAutoSafety[Advocates]??AllianceofAut
2、omobileManufacturers[Alliance]??AmericanHondaMotorCo.,Inc[Honda]??AmericanSocietyforTestingandMaterials[ASTM]??AssociationofInternationalAutomobileManufacturers,Inc[AIAM]??ConsumersUnion[CU]??DaimlerChryslerCorporation[DaimlerChrysler]??DenmanTireCorporation.[Denman]??ECEGRRFAdHocgroup[ECE
3、/GRRF]??EuropeanTyreandRimTechnicalOrganization[ETRTO]??FordMotorCompany[Ford]??GeneralMotorsNorthAmerica[GM]??HoosierRacingTire[Hoosier]??Int’lTire&RubberAssoc.,Inc.&TireAssoc.ofN.America[ITRA/TANA]??JapanAutomobileTyreManufacturersAssociationInc.[JATMA]??MitsubishiMotorsCorporation[Mitsu
4、bishi]??PublicCitizen[PublicCitizen]??RubberManufacturersAssociation[RMA]??SpecialtyEquipmentMarketAssociation[SEMA]??SpecialtyTiresofAmerica,Inc.[SpecialtyTires]??SubaruofAmerica,Inc[Subaru]??TheTireandRimAssociation,Inc.[T&RA]??ToyotaMotorNorthAmerica,Inc.[Toyota]??UnitedStatesCongressma
5、n[BillShuster]??UnitedStatesSenators[RichardG.LugarandEvanBayh]DecisionIssues1.HighSpeedPerformance2.EndurancePerformance3.LowPressurePerformance4.ResistancetoBeadUnseatingPerformance5.RoadHazardImpactPerformance6.AgingEffectsPerformance7.ApplicabilitytoFMVSS1398.TireSelectionCriteria/Load
6、Limits9.EffectiveDates/Implementation10.CostandBenefits21.HighSpeedPerformanceI.SUMMARYOFNPRMPROPOSAL??Purpose:Toevaluateatire’sperformanceathighspeeds??Pass/Failcriteria:Novisualevidenceoftirefailureandnolossininflationpressure.??AmbientTemperature:40oC(104oF)??Load:85percent??InflationPr
7、essure:220kPa(32psi)forstandardP-metrictires;260kPa(38psi)forextraloadP-metrictires;320kPa(46psi),410kPa(60psi),500kPa(73psi),forLTtiresloadrangeC,DandE,respectively.??Speed:140,150,160km/h(88,94,100mph)??Duration:30minutesateachspeedII.DOCKETCOMMENTS-SUMMARY?