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Guy Pannunzio Tyler Child

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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Guy Pannunzio Tyler Child

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  1. 2007 U of U Formula SAE Chassis and Suspension Update Guy Pannunzio Tyler Child ME 4000 Presentation October 8, 2006

  2. Overview • Chassis update • Unique features • Construction • Suspension update • Design goals • Results

  3. Unique Features • False raised foot box • Hybrid chassis • Tooling block

  4. False Raised Foot Box • Reclined seat position • Lower center of gravity • Storage • Extension of lower A-arm

  5. Hybrid Chassis • Cost effective • Construction • Time • Ease • Accessibility • Stiffness

  6. Construction • Tooling block • CNC machined • Accuracy • Ease of shaping • Surface finish • Pre-preg carbon fiber • Hard points

  7. 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

  8. Lesoft

  9. Results • Camber • Static value of -2.16° Camber in Bump Camber in Roll

  10. Bump

  11. Roll

  12. Conclusion • Chassis • Unique features • Construction • Suspension • Design goals • Results

  13. Questions? • Guy Pannunzio – rythmguy@yahoo.com • Tyler Child – stuss76@msn.com

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