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Formula Electric Progress Report Presentation

Follow the progress of the Electric Formula Racer project, aimed at creating a fully functional electric-powered competition vehicle for autocross. Updates on chassis construction, drivetrain, suspension, and funding status.

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Formula Electric Progress Report Presentation

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  1. Formula ElectricProgress Report Presentation Mechanical Tomas Bacci Stephen Kempinski • George Nimick Sam Risberg Electrical Danny Covyeau Scott Hill Industrial Corey Souders Ryan Luback Aldreya Acosta Team: ME 21/ECE 3 1/19/12

  2. Scope • The scope of the Electric Formula Racer project is to design and build a fully functional SAE Competition Vehicle powered by an electric motor and suitable for the non-professional autocross competitor. • Main components • Chassis (3D model and build) • Drivetrain (rear differential, motor, etc.) • Suspension (hubs, springs, brakes, control arms, etc.)

  3. Components from previous Hybrid Car • Electric Motor • LSD • Axles • Hub bearings • Braking components

  4. New Chassis • Completed 3-dimensional model • Construction underway • Jigs assembled to ensure • accuracy to model • Communication with • mechanical scrutineers • Disassembly of old car

  5. Drivetrain • Motor Selection – Agni Electric Motor • Dynamometer Testing • Batteries • Lithium Polymer • 3.7V, 5Ah, 20C • 72V, 120 batteries • 6 parallel sets, replicated 20 times in series • Motor Controller • 1:4.5 Gear ratio • Chain-driven • Torsen Limited-Slip Differential

  6. Suspension • FVSA • Establish parameters • Roll Center • Instant center • SVSA • “Anti” feature Calculations • 23% AD

  7. Suspension • ADAMS-CAR • Simulation • Measure suspension characteristic changes with wheel displacement • New springs • Reduced stiffness

  8. Approach • Exceed minimum requirements with available budget • Competition and performance • Divide responsibilities based on individual strengths • “Measure twice and cut once” • Design and model components to ensure fitment • Compare to rule restrictions

  9. Funding Status • Contributions: • Mechanical Dept. - $2000 • Electrical Dept. - $1000 • Industrial Dept. - $1500 • Dean’s Office - $2500 • Cummins (recently) - $2000 • Created Sponsorship Packet • Distributed to over 50 companies

  10. Schedule for Near Future • Build Majority of Chassis • Complete Suspension design • Finalize material selection to make the mold for the body • Place additional orders

  11. Summary • Chassis construction is underway • On schedule to meet deadlines • Designs nearly complete on all major components • Visit us on the Web! • http://eng.fsu.edu/me/senior_design/2012/team21/index.html • Check out the website for updated pictures and documents.

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