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2007 U of U Formula SAE. Chassis and Suspension Update. Guy Pannunzio Tyler Child. ME 4000 Presentation October 8, 2006. Overview. Chassis update Unique features Construction Suspension update Design goals Results. Unique Features. False raised foot box Hybrid chassis
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2007 U of U Formula SAE Chassis and Suspension Update Guy Pannunzio Tyler Child ME 4000 Presentation October 8, 2006
Overview • Chassis update • Unique features • Construction • Suspension update • Design goals • Results
Unique Features • False raised foot box • Hybrid chassis • Tooling block
False Raised Foot Box • Reclined seat position • Lower center of gravity • Storage • Extension of lower A-arm
Hybrid Chassis • Cost effective • Construction • Time • Ease • Accessibility • Stiffness
Construction • Tooling block • CNC machined • Accuracy • Ease of shaping • Surface finish • Pre-preg carbon fiber • Hard points
Design Goals • Unequal length, double A-arm • Camber angle <0 through roll and bump • Keep roll center above ground • Minimize roll center migration • Zero bump steer • 1” scrub radius
Results • Camber • Static value of -2.16° Camber in Bump Camber in Roll
Conclusion • Chassis • Unique features • Construction • Suspension • Design goals • Results
Questions? • Guy Pannunzio – rythmguy@yahoo.com • Tyler Child – stuss76@msn.com