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TEAM QUIETS 2014 SAE CSC DESIGN PRESENTATION

This presentation explores cutting-edge modifications for snowmobiles aimed at appealing to enthusiasts while addressing dealer perspectives. Key topics include a turbocharged engine, advanced engine control strategies, and emissions management through catalytic converter upgrades and EGR system integration. It presents noise reduction techniques targeting specific irritating frequencies, alongside tools for measuring performance improvements, such as fuel economy and horsepower gains. The discussion culminates with future enhancement ideas, emphasizing the balance between exhilaration and environmental responsibility.

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TEAM QUIETS 2014 SAE CSC DESIGN PRESENTATION

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  1. TEAM QUIETS2014SAE CSC DESIGN PRESENTATION

  2. Presentation content • Snowmobile Modifications • Appeal to Snowmobile Enthusiasts • Dealer’s Perspective • Engine Control Strategy • Emissions Control • Noise Reduction • Conclusion

  3. Snowmobile Modifications • Plug and Play Harness • Turbo ChargedEngine • ModifiedExhaust System • CatalyticConverter • EGR System

  4. Appeal to SnowmobileEnthusiasts • Poll results from the FCMQ(Fédération des clubs de motoneigistes du Québec) • Reduction of irritating noise frequencies (namely 600, 700, 850 Hz)

  5. Appeal to SnowmobileEnthusiasts Good Fuel Economy • 1.95 GPH at 45 MPH = 23 MPG (4900 rpm)

  6. Appeal to SnowmobileEnthusiasts • +19 hp for a total of 79 hp and 60 ft-lbs of torque

  7. Appeal to SnowmobileEnthusiasts (follow up)

  8. Dealer’s Perspective • Bolt On System Bolt on turbo and headers Quick connectharness

  9. Engine Control Strategy • Closedloop AFR control

  10. Engine Control Strategy (Follow up) • Lean burning combustion • Calculating SFC (g/kW-hr)

  11. Engine Control Strategy (Follow up)

  12. Emission Control • Managing HC, CO and NOxemissions

  13. Emission Control (Follow up) • Threewaycatalyticconverterefficiency

  14. Emission Control (Follow up) • EGR system development

  15. Emission Control (Followup) EGR System Intergration

  16. Emission Control (Followup)

  17. Emission Control (Followup) Final EPA Score 190

  18. Noise Reduction • New exhaust system design

  19. Noise Reduction (Follow up) Targetedfrequencys: 600Hz 750Hz 800Hz

  20. Noise Reduction (Follow up)

  21. Conclusion and Future Improvements • TrackAcousticImprovements • Direct Injection • Drive by WireThrottle • Clutch and Transmission Upgrade

  22. Thank You Questions?

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