Designation:F559−05(Reapproved2010)StandardTestMethodforMeasuringLengthofRoadTestCoursesUsingaFifthWheel1ThisstandardisissuedunderthefixeddesignationF559;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheaccu-ratelengthmeasurementofroadcoursesusedfortestingalltypesofpneumatictiresonvariousassociatedvehicles.1.2Thistestmethodisintendedforuseonpublichighwaysorclosedcircuittestcourses,orboth,thatcannotbemeasuredpracticallybysurveyingtechniques.1.3Useofthistestmethodrequiresthatthesurfaceofthetestcoursetobemeasuredshallbesufficientlysmoothtoprecludebounceorhopofthefifthwheel,whichwillaffecttheaccuracyofthemeasurement.Thenormalhighwaysurfaceisadequateforthistestmethod.1.4Itisnottheintentorscopeofthistestmethodtoencompassdistancemeasurementsoftestcourseswhosesur-facesareirregular,brokenup,jagged,andsoforth,suchasrockcourses,Belgianblock,“rumble”surfaces,andthelike.Snow-andice-coveredsurfacesalsoareexcluded.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F457TestMethodforSpeedandDistanceCalibrationofFifthWheelEquippedWithEitherAnalogorDigitalInstrumentationF538TerminologyRelatingtotheCharacteristicsandPer-formanceofTiresF1082PracticeforTires—DeterminingPrecisionforTestMethodStandards(Withdrawn2005)33.Terminology3.1Definitions—SeeTerminologyF538forterminologyusedinthistestmethod.4.SummaryofTestMethod4.1Thistestmethodincludestheuseofafifthwheelofknownaccuracy,incorporatingadistancecoun...
