Designation:F1832−07(Reapproved2011)AnAmericanNationalStandardStandardTestMethodforDeterminingtheForce-DrawandLet-DownCurvesforArcheryBows1ThisstandardisissuedunderthefixeddesignationF1832;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheproceduretobeusedtodeterminetheforce-drawandlet-downcurvesforarcherybows.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurportallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2.Terminology2.1DefinitionsofTermsSpecifictoThisStandard:2.1.1ATA(archerytradeassociation)drawlength,n—perpendiculardistancefromthepointwheretheshootingstringofthebowcontactsbottomofthenockslotofthearrow,toaverticallinethroughthepivotorlowpointofthehandgrip(drawlengthpivotpoint),plusastandarddimensionof13⁄4in.(44.5mm).2.1.2braceheight,n—dimensionininches(millimetres),fromthegrippivotpoint(lowpoint)ofthegriptothenearestsideofthebowstring,measuredperpendiculartothebowstring,withthebowstrungandintheundrawncondition.2.1.3compoundbow,n—typeofbowthatimposesasec-ondarysystemofcontroloftheforce-drawcharacteristicontheusuallimbgeometrycontrolsystemoftheconventionalbow.2.1.3.1Discussion—Thissecondarycontrolsystemcanbecomposedofcam,levers,cables,orotherelements,andcombinationsthereof.Thedualcontrolsystempermitsgreatversatilityinthedesignoftheforce-drawcharacteristic,andsimplifiestheinclusionoflet-off.Ingeneral,itisnormalforcompoundbowstohavegreaterstoredenergythanconven-tionalbowsforagivenlevelofpeakormaximumdrawweight.2.1.4draw,v—tomovetheshootingstringofabowfromtherestorbracedposition...
