Introduction To Formula Sae Suspension And Frame Design

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1、971584âIntroductiontoFormulaSAESuspensionandFrameDesignEdmundF.GaffneyIIIandAnthonyR.SalinasUniversityofMissouri-RollaâABSTRACTFormulaSAE.âThispaperisanintroductiontoFormulaSAE(FSAE)Thispapercoverssomeofthebasicconceptsofsuspensionandframedesignbasedont

2、heexperienceofthesuspensionandframedesignandalsohighlightstheapproachdesignteamatUM-Rolla.ThebasictheoriesandUM-Rollausedwhendesigningits1996suspensionandmethodologiesfordesigningthesesystemsarepresentedsoframe.Thesuspensionsectionaddressesthebasicdesig

3、nthatnewteamswillhaveabaselinefortheirfirstFSAEparametersandpresentsspecificexamples.Theframedesign.ExampleswillbegivenbasedonUM-Rolla’s1996sectiondiscusseshowtoachieveacompromisewiththeFSAEentry.FSAEdesignconstraints.Finally,thedesignsectiongivesabrief

4、overviewofthedesignmethodologyusedbyUM-RollaINTRODUCTIONforthe1996racecar.âthFormulaSAEisastudentcompetition,sponsoredbyThe1996teamfinished12intheengineeringdesignththeSocietyofAutomotiveEngineers(SAE),inwhichevent,whiletheoverallfinishwas19outof77compe

5、tingstudentsdesign,build,andcompetewithasmallformulateams.styleracecar.Thebasisofthecompetitionisthatafictitiouscompanyhascontractedagroupofengineerstobuildasmall1SUSPENSIONGEOMETRYformulacar.Sincethecarisintendedfortheweekendautocrossracer,thecompanyha

6、ssetamaximumcostofThesuspensiongeometrysectionconcentratesonsome$8,500.Thecompetitionruleslimitstheracecarenginetoaofthebasicareasofsuspensiondesignandhighlightswhatmaximumdisplacementof610ccwithasingleinletrestrictor.theUM-Rolladesignteamselectedforits

7、1996racecarOtherrulesrequirethatthecarmusthaveasuspensionsuspensiongeometry.systemwithaminimumwheeltravelof50mmandawheelbasegreaterthan1524mm.ThecarmustalsosatisfyFSAEsuspensionsoperateinanarrowrealmofvehiclesafetyrequirementssuchassideimpactprotection[

8、1].dynamicsmainlyduetothelimitedcorneringspeedswhicharegovernedbytheracetracksize.Therefore,FSAEThecompetitionisseparatedintostaticanddynamicsuspensiondesignshouldfocusontheconstraintsoftheevents.Thestaticeventsincludethecostanal