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University of Minnesota-Twin Cities University of Minnesota-Twin Cities

University of Minnesota-Twin Cities - PowerPoint Presentation

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Uploaded On 2018-11-06

University of Minnesota-Twin Cities - PPT Presentation

SAE International Clean Snowmobile Challenge 2017 2015 Polaris Indy 600 SP 600cc 2 stroke Liberty engine Rated 125 hp Fox IFP shocks Modification Overview Skis and Track Exhaust and Catalyst ID: 717975

catalyst ethanol basf ecu ethanol catalyst ecu basf camso deadening 100 skis overview exhaust muffler amp engine polaris ratio

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Presentation Transcript

Slide1

University of Minnesota-Twin Cities

SAE International Clean Snowmobile Challenge 2017Slide2

2015 Polaris Indy 600 SP

600cc 2 stroke Liberty engine

Rated 125 hpFox IFP shocksSlide3

Modification Overview

Skis and TrackExhaust and CatalystSound Deadening FoamStandalone ECU and Ethanol SensorSlide4

Handling

C&A Pro TRX Skis

Camso

Ice-Attack XT TrackSlide5

Exhaust System

Incorporates catalyst and a new muffler

Baffled to reduce noise3-Way Catalyst BASF TEX-0587 coating Catalyst density 300 cells per square inch2/9/1 ratio (Pt:Pd:Rh)Slide6

Noise Reduction

Impedance tube and software

Allows testing of materialsMeasures absorption coefficientBest material tested was incorporated on sledSlide7
Slide8

Engine Management

Performance Electronics PE3

Standalone ECU

Supports 0-100% Ethanol mixtures

Air/Fuel ratio calibration strategySlide9

Sled Overview

0-100% Ethanol CapableHandling upgrades for on-trail performanceQuieter exhaust muffler and aftertreatmentSound deadening materialsSlide10

Acknowledgments

Our Sponsors: Polaris, BASF,

Heraeus

,

Camso

, C&A Pro, Ford, Celestica, Race Coatings, Minnesota Measurements, Toro, and others

Michigan Tech and the Keweenaw Research Center

SAE International

Judges and VolunteersSlide11
Slide12