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Minnesota State University, Mankato X treme

Minnesota State University, Mankato X treme. AET Program 1989 TAC-ABET Accredited 140 Majors The Team Seven Seniors Ten Undergraduates Faculty Advisor . Primary Engine Choice. Polaris 500cc 2-stroke with Variable Exhaust Cost Power to Weight Cold Start Low Maintenance.

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Minnesota State University, Mankato X treme

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  1. Minnesota State University, Mankato Xtreme • AET Program • 1989 • TAC-ABET Accredited • 140 Majors • The Team • Seven Seniors • Ten Undergraduates • Faculty Advisor

  2. Primary Engine Choice • Polaris 500cc 2-stroke with Variable Exhaust • Cost • Power to Weight • Cold Start • Low Maintenance

  3. Electronic Engine Control System • Motec ECU • Sensors • Fuel Injectors • Closed loop Capable

  4. High Pressure Direct Injection • Injector Driver • 100 Volt Injectors • 1.0k - 1.5k psi Fuel Pressure • Controlled by Motec ECU

  5. Redesigned Combustion Chambers • Modifications • Spark Plug • Injector Placement • Offset Dome • O-Ring Sealed • How ? • Drawn on ACAD • Rapid Prototype Model • Machined at Suburban Mold

  6. Back-Up Engine Choice • Polaris 500cc H.O. • Light Weight Four Stroke Engine • Reliable • Easily Achieves Improved Emissions • Fuel Injectors

  7. Turbo Charged Four Stroke • Aerodyne Aerocharger • Variable Vein Turbo Charger • Capable of up to 10 psi boost • Closed Loop Fuel Injection • Maintains Stoichiometric Air/Fuel Ratio • Compensates for Temperature and Altitude

  8. Noise Reduction • Liquid Cooled Engine • Koolmat • Heat Master • Thermozite • Silencer • Catalyst • Air Box

  9. Metal Substrate Catalytic Converter • 5 : 1 Platinum to Rodium • High Flow Design • Housed Inside Silencer

  10. Improvement to the Chassis • Ergonomics • Safety • Tether Cord • Running Board Trim with Grip • Comfort • Forward Controls • Digital Tachometer and Exhaust Temperature Gauges

  11. Improvement to the Chassis • Suspension/Chassis • Edge Chassis • Plastic Skis • Fox Shocks • Large Rear Idler Wheels • 144” Long Track • Brake System • Weight reduction • Dissipates Heat

  12. Operator / Outfitter Perspective • Ease of Operation • electric start • temperature/altitude compensation • hand and thumb warmers • long track • plastic skis • two-stroke = low maintenance • aesthetic appeal

  13. Environmental Impact Lower Emmissions Quieter Improved Fuel Economy

  14. QUESTIONS ?

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