Designation:F3093/F3093M−15StandardSpecificationforAeroelasticityRequirements1ThisstandardisissuedunderthefixeddesignationF3093/F3093M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationaddressestheaeroelasticityrequire-mentsoftheairplane.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F3061SpecificationforSystemsandEquipmentinSmallAircraftF3065/F3065MSpecificationforInstallationandIntegrationofPropellerSystemsF3115SpecificationforStructuralDurabilityforSmallAir-planes2.2FederalAviationAdministration(FAA)Document:3AirframeandEquipmentEngineeringReportNo.45(ascorrected)“SimplifiedFlutterPreventionCriteria”19552.3FederalAviationRegulations:414CFR23Amendment623.Terminology3.1Definitions:3.1.1GVT—groundvibrationtesting3.1.2V-n—velocityversusloadfactor4.Flutter4.1Itmustbeshownbythemethodsin4.2,andeither4.3or4.4,thattheairplaneisfreefromflutter,controlreversal,anddivergenceforanyconditionofoperationwithinthelimitV-nenvelopeandatallspeedsuptothespeedspecifiedfortheselectedmethod.Inaddition:4.1.1Adequatetolerancesmustbeestablishedforquantitieswhichaffectflutter,includingspeed,damping,massbalance,andcontrolsystemstiffness;and4.1.2Thenaturalfrequenciesofmainstructuralcomponentsmustbedeterminedbyvibrationtestsorotherapprovedmethods.Thisdeterminationi...
