TEAM UWP University of WisconsinPlatteville 2005 SAE Clean

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

TEAM UWP SAE Clean Snowmobile Challenge 2005 Outline l The Team l The Snowmobile l Engine l Driveline Improvements l. Noise Reduction l. Emissions l. Cost Reduction Analysis l. Conclusion

TEAM UWP SAE Clean Snowmobile Challenge 2005 The Team Located in the southwest corner of Wisconsin Ø Mechanical Engineering is the largest major on campus Ø

TEAM UWP The Snowmobile l 2002 Polaris Pro-X 600 l High Performance Platform l Light-Weight, durable chassis – 652 lb. Wet SAE Clean Snowmobile Challenge 2005 Before After

TEAM UWP The Engine l Rotax Semi-Direct Injected 600 cc 2 -Stroke l Electric Start l Electronic Reverse SAE Clean Snowmobile Challenge 2005

TEAM UWP SAE Clean Snowmobile Challenge 2005

TEAM UWP SAE Clean Snowmobile Challenge 2005 Driveline Improvements • RMI Direct Drive Ø Ø Eliminates jackshaft & chain case Relocates brake on drive axle Reduces rotating mass 10 -tooth drivers improve angle of attack

TEAM UWP SAE Clean Snowmobile Challenge 2005 Driveline Improvements Cont. l. Hyperfax Ø slides Teflon inserts l. Clutch tuning Ski-doo TRA drive clutch Ø Ø Team driven clutch

TEAM UWP Noise Reduction l Damping and absorption of under hood noise Ø Ø Dynamat Xtreme® Polydamp Foam Polymer Technologies SAE Clean Snowmobile Challenge 2005

TEAM UWP Noise Reduction Cont. l. Exhaust system Single Automotive Style Muffler Ø l. Drive train Arctic Cat’s “Bump Track” Ø Removal of Select Idler Wheels Ø SAE Clean Snowmobile Challenge 2005

TEAM UWP SAE Clean Snowmobile Challenge 2005

TEAM UWP Emissions Reduction l 2 Stage 3 -Way Catalyst – 200 Cells per sq/in – Ceramic Substrate – Can withstand accelerations of 75 g for the life of the vehicle SAE Clean Snowmobile Challenge 2005

TEAM UWP SAE Clean Snowmobile Challenge 2005 Emissions Reduction Cont. l. Secondary air injection –Driven from magneto side –Air delivery varies with engine RPM. –Compact packaging

TEAM UWP SAE Clean Snowmobile Challenge 2005

TEAM UWP SAE Clean Snowmobile Challenge 2005

TEAM UWP Cost Analysis SAE Clean Snowmobile Challenge 2005

TEAM UWP SAE Clean Snowmobile Challenge 2005 Conclusion l Environmentally friendly snowmobile l Cost effective design l Maintains performance attributes of a 2 -stroke snowmobile

TEAM UWP SAE Clean Snowmobile Challenge 2005 Sponsors l l l l RMI • Midwest Motorsports • Vernon Cty. Snowmobile Assoc. Goodwin • Hyperfax Performance • Ocooch Mtn. Club • Polaris Millennium • New Trails Inc. • NGK Technologies • Dodge Cty. Club • Performance Coatings Outlaw Composites • Vconverter • Sportech DMC^2 -OMG Group • Umicore • Blue Ribbon Coalition Digatron Tekvest • Cedar Creek Motorsports Dynamat

TEAM UWP SAE Clean Snowmobile Challenge 2005 Comments and Questions?