Download - 2006 Michigan Tech Clean Snowmobile Matt Prusak - Team Leader Wes Barrett – Vice President
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2006 Michigan Tech Clean 2006 Michigan Tech Clean SnowmobileSnowmobile
Matt Prusak - Team Leader
Wes Barrett – Vice President
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ConceptConcept
“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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OutlineOutline
- 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 - EnginePerformance - EngineConsumer PerspectiveConsumer Perspective
• ’03 Honda CBR 954RR– 4-cycle – 4-cylinder – 4 valves per cylinder– Electronic Fuel Injection– 113kW (152 rwhp) in OEM trim
2006 Honda CBR954RR Power Run, Competition Exhaust and Calibration
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Performance – ChassisPerformance – ChassisConsumer PerspectiveConsumer 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 DevelopmentEmissions DevelopmentEnvironmental PerspectiveEnvironmental Perspective
• Why use a four-stroke engine?– The numbers don’t lie
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2005 CSC Emissions Data
2005 MTU Clean Snowmobile
2005 Platteville CleanSnowmobile
2005 Ski-Doo 600SDI
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Emissions StrategyEmissions 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 DevelopmentEmissions Development
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Noise ReductionNoise ReductionEnvironmental PerspectiveEnvironmental 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 TestingNoise Reduction TestingEnvironmental PerspectiveEnvironmental Perspective
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Selections:– Long Red GP – 83.1 dBA
– Good combination of noise and power output
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Noise Reduction TestingNoise Reduction TestingEnvironmental PerspectiveEnvironmental Perspective
Selections from testing:– Covered Silenced Intake – 74.5 dBA
– Closed Hood Vents – 73.5 dBA
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• 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
DurabilityDurabilityDealer/Outfitter PerspectiveDealer/Outfitter Perspective
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Cost AnalysisCost AnalysisDealer/Outfitter PerspectiveDealer/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 isn’t even
considered– Uses no oil, changing oil/filter
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2006 MTU CSC Yamaha ApexRTX
Polaris FSTClassic
Arctic Cat T660
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Questions?Questions?