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VU Motorsports Intake/Exhaust Team Final Presentation

VU Motorsports Intake/Exhaust Team Final Presentation. Kristina Kitko Mark Melasky Perry Peterson Tim Wranovix. Project Description. Design and build a new intake and/or exhaust system for the 2008 Formula SAE racecar

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VU Motorsports Intake/Exhaust Team Final Presentation

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  1. VU MotorsportsIntake/Exhaust TeamFinal Presentation Kristina Kitko Mark Melasky Perry Peterson Tim Wranovix

  2. Project Description • Design and build a new intake and/or exhaust system for the 2008 Formula SAE racecar • Prepare a design report to be used in the FSAE 2008 Competition in Detroit

  3. Problems with Current Naturally Aspirated System • Inadequate data describing the intake and exhaust systems • FSAE team has suffered at competition due to lack of presentable data • FSAE team is unable to make improvements to current system due to lack of appropriate testing and modeling

  4. Problems with Current Naturally Aspirated System (cont’d) • Intake was made from spare parts in one day • Exhaust system is very heavy • FSAE team is using the stock muffler from the Honda motorcycle (8.5 pounds) • Total system weighs around 25 pounds

  5. Constraints • Described in FSAE rules: • 20mm Venturi restrictor on intake • 110 dB max exhaust volume • Packaging: • Fit within rear of car • Air filter, throttle, restrictor, fuel rail and muffler mounts • Cost: • Team must report market values of components used

  6. Deliverables • Finished intake and/or exhaust system that is ready to be mounted on the 2008 FSAE car by April 1. • Detailed design report • Technical data with flow modeling • Images

  7. Options • Naturally Aspirated • Build intake and/or exhaust • Turbocharged • Build intake and exhaust

  8. Pros FSAE engine is setup for natural aspiration Cheaper than forced induction system Intake and/or exhaust can be redesigned No moving parts, so less likely to fail Not pressurized Cons Less power than complete forced induction Geometry needs to be thoroughly calculated Natural Aspiration

  9. Pros Increased power Intake and exhaust are designed as one system Simpler geometry compared to a naturally aspirated system Widens engine’s power band Cons Expensive Heavy Turbo lag Current FSAE high compression pistons need to be replaced Too much power makes the car harder to drive Turbo

  10. Competition Scoring

  11. Turbos in Competition • Intake system data for 93/108 teams • 82 teams had natural aspiration • 11 teams had turbos • Overall placement • 6, 11, 14, 16, 45, 50, 53, 54, 57, 86, and 95

  12. Schools with Turbos • Design is scored out of 150 points • 100 points is tied for 14th with 24 cars • 80 points is tied for 38th with 30 cars • 60 points is tied for 68th with 26 cars • 40 points is tied for 94th with 10 cars • Top cost score is 93.31

  13. Engine Placement Front of Car

  14. Intake Ports Interface

  15. Exhaust Ports Interface

  16. Placement

  17. General Intake Requirements • Air filter mount and scoop • Throttle body redesign • Venturi optimization • Plenum volume optimization • Velocity stack design • Fuel injector positioning and mounts

  18. 3Y 4-to-1 Dual Muffler Potential Exhaust SetupFiring Order 1-2-4-3

  19. Next Step • Proceeding with a Naturally Aspirated System • Begin modeling an intake system • Begin modeling an exhaust system

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