Designation:F504−05(Reapproved2012)StandardTestMethodforMeasuringtheQuasi-StaticReleaseMomentsofAlpineSkiBindings1ThisstandardisissuedunderthefixeddesignationF504;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversaprocedureforthemeasure-mentofreleasemomentsofskibindingsunderconditionswhereinertialoadingsoftheskibindingsystemarenotsignificant.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F498TestMethodforCenterSpringConstantandSpringConstantBalanceofAlpineSkisF779TestMethodforTorsionCharacteristicofAlpineSkisF944SpecificationforPropertiesofAdultAlpineSkiBoots(Withdrawn2004)32.2ISOStandard:4ISO9838AlpineSkiBindings–TestSolesforSkiBindingTestsISO9462AlpineSkiBindings–SafetyRequirementsandTestMethodsISO9465AlpineSkiBindings–LateralReleaseunderIm-pactLoading-TestMethod3.Terminology3.1Thefollowingterminologyisintroducedwithreferencetothesketchoftheboot-skisystemshowninFig.1.3.1.1Sixpointsofloadapplicationtothestandardtestskiarerequired.Withtheadultbootsole(300mminlength)themostforwardpoint,locatedataposition9060.5cmfromthecenterlineofthetestshaft,shallbecalledthe“forwardpoint”andshallbedesignatedasF.Thesecondpoint,4560.5cminfrontofthecenterlineofthetestshaft,shallbedesignatedthe“nearpoint,”N.Thethirdpoint,located4560.5cmbehindthecenterlineofthetestshaft,shallbedesignated“rearpoint,”R.Thefourthpoint,located3560.5cminfrontofthecenterlineofthetestshaft,shallbedesignatedthe“nearpreloadpoint,”NP.Thefifthpoint,located7560.5cmbehindthecenterlineofthetestshaftshallbedesignatedthe“farrearpoint,”FRP.Th...
