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University of Wisconsin-Platteville

University of Wisconsin-Platteville. 2005 SAE Clean Snowmobile Challenge Houghton, Michigan March 14 - 20. Outline. Noise Reduction Emissions Reduction Cost Analysis Conclusion. The Team The Snowmobile Engine Driveline Improvements. The Team.

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University of Wisconsin-Platteville

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  1. University of Wisconsin-Platteville 2005 SAE Clean Snowmobile Challenge Houghton, Michigan March 14 - 20

  2. Outline • Noise Reduction • Emissions Reduction • Cost Analysis • Conclusion • The Team • The Snowmobile • Engine • Driveline Improvements

  3. The Team • Located in the southwest corner of Wisconsin • Mechanical Engineering is the largest major on campus

  4. Before The Snowmobile • 2002 Polaris Pro-X 600 • High Performance Platform • Light-Weight, durable chassis • 652 lb. Wet After

  5. The Engine • Rotax Semi-Direct Injected 600cc 2-Stroke • Electric Start • Electronic Reverse

  6. Driveline Improvements • RMI Direct Drive • Eliminates jackshaft & chain case • Relocates brake on drive axle • Reduces rotating mass • 10-tooth drivers improve angle of attack

  7. Driveline Improvements Cont. • Hyperfax slides • Teflon inserts • Clutch tuning • Ski-doo TRA drive clutch • Team driven clutch

  8. Noise Reduction • Damping and absorption of under hood noise • Dynamat Xtreme® • Polydamp Foam - Polymer Technologies

  9. Noise Reduction Cont. • Exhaust system • Single Automotive Style Muffler • Drive train • Arctic Cat’s “Bump Track” • Removal of Select Idler Wheels

  10. Emissions Reduction • 2 Stage 3-Way Catalyst • 200 Cells per sq/in • Ceramic Substrate • Can withstand accelerations of 75g for the life of the vehicle

  11. Emissions Reduction Cont. • Secondary air injection • Driven from magneto side • Air delivery varies with engine RPM. • Compact packaging

  12. Cost Analysis

  13. Conclusion • Environmentally friendly snowmobile • Cost effective design • Maintains performance attributes of a 2-stroke snowmobile

  14. Sponsors • Midwest Motorsports • Hyperfax • Polaris • NGK • Performance Coatings • Sportech • Blue Ribbon Coalition • Cedar Creek Motorsports • Vernon Cty. Snowmobile Assoc. • Ocooch Mtn. Club • New Trails Inc. • Dodge Cty. Club • Vconverter • Umicore • RMI • Goodwin Performance • Millennium Technologies • Outlaw Composites • DMC^2-OMG Group • Digatron • Tekvest • Dynamat

  15. Comments and Questions?

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