Kettering University

1
Kettering University

• Presenters
• Chad Swartz
• John Stimpson

2
Engineering Design Strategy

• Noise Minimization
• Emission Reduction
• Performance Modifications
• Cost Minimization
• Snowmobile Durability

3
Noise(Environmental Aspect)

• Sound deadening materials
• Spark arrestor
• Dual tuned absorption silencers
• Turbo, two catalytic converters, two silencers
• Bogie wheel removal

4
Base Sound Pressure
5
Bogie Wheels Removed
6
Emissions(Environmental Aspect)

• Two three-way catalytic converters
• ECU recalibration
• E85 utilization
• Reduced net carbon emissions

7
E-85 Information
8
E85 Emission Reductions
9
Performance(Operator Aspect)

• Traction aids
• Turbocharger
• Charge air cooler
• Instrumentation
• High specific power
• 127 bhp/L
• Primary (drive) clutch weights

10
Clutching
11
Clutching
12
Cost and Durability(Outfitter Aspect)

• TICA cost totaled 1,546
• Increased cost to stock FST 256
• Redesigned front bumper
• ECU engine protection system
• Forged engine internals
• E85 to reduce knock
• Heat shielding
• Teflon Slides
• Melting temp 702 0F vs. 325 0F

13
Conclusion

• The Kettering University team has worked hard to
  produce a clean, quiet, and fuel efficient
  snowmobile for use by riders in mountainous and
  deep snow regions.