2006 Michigan Tech Clean Snowmobile

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2006 Michigan Tech Clean Snowmobile

• Matt Prusak - Team Leader
• Wes Barrett Vice President

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Concept

• Design and build a clean, quiet, reliable,
  high-performance snowmobile that is enjoyable to
  ride in a wide variety of conditions, and can be
  operated by a wide range of enthusiasts.

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Outline

• Why is the MTU Clean Snowmobile superior to
  current technology?
• Consumer Perspective
• High-Performance
• Environmental Perspective
• Low Noise
• Low Emissions
• Dealer/Outfitter Perspective
• Durable
• Low Cost
• High Resale Value

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Performance - EngineConsumer Perspective

• 03 Honda CBR 954RR
• 4-cycle
• 4-cylinder
• 4 valves per cylinder
• Electronic Fuel Injection
• 113kW (152 rwhp) in OEM trim

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Performance ChassisConsumer Perspective

• Premium suspension components
• Fox Float front shocks used
• Highly tunable
• Rear suspension spring and damping rates modified
• Extensive on-trail Calibration
• Multiple-rider input for 200 miles
• Calibrated for best possible compromise between
  bump absorption, and weight transfer for a wide
  range of users, from beginner to expert

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Emissions DevelopmentEnvironmental Perspective

• Why use a four-stroke engine?
• The numbers dont lie

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Emissions Strategy

• Team-Designed Exhaust System
• Emitec Catalytic Converter Installed
• Power Commander Piggyback EFI Modifier
• Used to Modify OEM Fuel Map
• Significant reductions in tailpipe emissions
  compared to OEM engine calibration
• 96.6 Average Reduction in HC
• 97.2 Average Reduction in CO
• 93.1 Average Reduction in NOx
• Stoichiometric Operating Conditions

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Emissions Development
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Noise ReductionEnvironmental Perspective

• How?
• Team designed Helical Gearbox
• Intake silencer
• 2 piece muffling system
• Primary Supercritical muffler
• Secondary glass pack to absorb high frequency
  noise
• Closed off hood vents
• Sound absorbing material in belly-pan
• Minimized idler wheels in rear suspension
• Made Use of Arctic Cat style Quiet Track
  Technology

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Noise Reduction TestingEnvironmental Perspective

• Selections
• Long Red GP 83.1 dBA
• Good combination of noise and power output

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Noise Reduction TestingEnvironmental Perspective

• Selections from testing
• Covered Silenced Intake 74.5 dBA
• Closed Hood Vents 73.5 dBA

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DurabilityDealer/Outfitter Perspective

• Built on a Polaris Pro-X race driven Chassis
• Torture tested for over 200 miles on ungroomed
  trails
• Powered by a race proven Honda 954cc High
  Performance street bike engine
• Dyno Tested for over 100 hrs
• Constant 10 minute intervals at mode 1
  calibration point

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Cost AnalysisDealer/Outfitter Perspective

• 2006 TICA
• Total Implementation Cost Analysis (TICA) of
  1346.19
• Coming in at around 9400.00 makes it cheaper
  than the new 4-strokes when added to price of
  Stock 600 Polaris
• Highly tuned 4-stroke Engine
• Consumes Less fuel than stock Approx. 14 mpg
• Maintenance Free
• Fouling spark plugs isnt even considered
• Uses no oil, changing oil/filter seasonally

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Questions?