2014 Clean Snowmobile Challenge
Snowmobile Selection
2011 Polaris Rush 600
What we set out to improve:
• Exhaust Emissions
• 2-Stroke Engine Capabilities
• Fuel Efficiency
• Ability to run on Isobutanol
blend
NIU CSC
2/27/2014
Engine-Cooling-Drivetrain
Handling
• Dynojet Power
Commander V
• Woody’s Trail Blazer
Carbides
• Electric Start
• Woody’s Carbide
Studs
• O2 sensor/ Air fuel ratio
gauge.
• Hayes Trail Trac 1.0
NIU CSC
2/27/2014
Power Commander V Fuel Injection Module
• Allows for fuel map adjustment, while retaining
factory ECU calibration
• Mode Switch can be added to switch between
two fuel maps. Ex: Economy or Performance
mode
• Easily returned to factory settings
NIU CSC
2/27/2014
Peak Power: 100.3 Hp @ 6251 RPM
Peak Torque: 84.76 Ft Lbs
Factory Advertised Specs: 120 Hp
NIU CSC
2/27/2014
Woody’s Carbides
• Reduces darting
• Allows for more steering grip in turns
Woody’s Carbides Studs
• Improves traction in most icy/snow
conditions
• Decreases skidding while braking
NIU CSC
2/27/2014
Handling Cont.
Hayes Trail Trac 1.0
• ABS style braking system
• Reduces skidding while
braking
• Helps keep the rear end in a
straight line while braking
NIU CSC
2/27/2014
Pre-Install Test
Stop Distance (feet)
10 MPH
30 MPH
45 MPH
50 MPH
Post-Install Test
Run 1
9.7
51
97
135
Run 2
8.7
55
106
135
Run 3
10
58.5
127.5
Stop Distance (feet)
10 MPH
30 MPH
45 MPH
50 MPH
Run 1
8.2
46.6
92
126.5
Run 2
7.1
43.4
96
117
Run 3
8.8
36.5
97
Deceleration Time (Sec)Run 1
10 MPH
1.5
30 MPH
2.8
45 MPH
3.6
50 MPH
4.2
Run 2
1.2
1.8
3.6
4.2
Run 3
1
2.8
3.2
Deceleration Time (Sec)Run 1
10 MPH
1.3
30 MPH
2.9
45 MPH
3.7
50 MPH
4.5
Run 2
1.2
3.3
4.2
4.8
Run 3
1.6
3.5
4.5
Conditions: little snow cover with layer of ice underneath.
Unpicked track
Tests measured both stopping distance and time
Tests were also done with picks installed.
NIU CSC
2/27/2014
 Sound test was performed using SAE J192 Standard test
 The machine accelerates for 150 feet after 150 feet of constant
speed
 Sound measurement is taken 50 feet perpendicular to the path
of travel.
 Sound levels were found to be 76.9 dB, also a full throttle full
speed pass performed, which produced a 81 dB sound reading
 Conditions of the test day
 Temperature: 19 Degrees Fahrenheit
 Wind: 0 M.P.H.
 Pressure: 30.23 inHg
NIU CSC
2/27/2014
Power Commander V
• Allows for complete adjustment of fuel
table off of AFR readings
O2 Sensor
• Reads air-fuel ratio (AFR)
Dynojet Autotune
• Allows for AFR data logging while the
vehicle is being ridden (only when
enabled)
NIU CSC
2/27/2014
Emissions measurements were taken using a Nova 5 Gas Analyzer.
Emissions For Each Mode
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
%O2
16.62
18.38
20.33
16.07
19.27
%CO %CO2 %PPM Hc's PPM NO PPM NO2
1.95 1.97
4469
0
0.5
1.07 1.28
1783
0
2.5
0.27 0.5
795
0
0
0.53 3.4
2732
0
5
0.83 0.72
2133
0
0
Values are averages taken from the collection period. Engine
was running 91 octane pump gasoline.
NIU CSC
2/27/2014
• This sled offers many desirable features and performance levels
compared to equally priced and equipped snowmobiles
• The current comparable model to our sled is a 2014 Polaris Rush
600 Pro-r
• The MSRP for the Polaris Rush 600 Pro-r is $10,799, our sled’s
MSRP is $12,956
• The addition of these parts does not call for any additional
maintenance, difficult installations and are readily available for any
consumer as over the counter parts
NIU CSC
2/27/2014
• The snowmobile offers both performance and efficient
adjustable modes
• The 2-stroke motor is cheaper and easier to work on than 4stroke motors
• The chassis is highly adjustable to meet many types of riders and
riding styles
• Replacement parts are readily available over the counter
NIU CSC
2/27/2014
NIU CSC
2/27/2014