Momentum - February 2021 - 10

FEATURE

Student Generation

Testing out the snowmobile in Houghton, Mich.

THE UNIVERSITY OF MINNESOTA DULUTH
(UMD) CLEAN SNOWMOBILE TEAMis no
stranger to pushing innovation at the SAE Clean
Snowmobile Challenge (CSC). From cooled
exhaust gas recirculation to driveshaft efficiency
improvements, the team is continually finding
new ways to improve and innovate. This past year
in the 2020 competition, the UMD team brought
new off-road powersport engine technology that
had never been seen in a CSC competition:
variable valve timing (VVT). This technology
helped the team earn a 5th place overall finish and
the Best Engine Design Award.
	
For the 2020 CSC competition, the
UMD Clean Snowmobile Team started with a
2020 Polaris Indy XC 137 chassis. The engine for
this build was a Polaris ProStar 1000 4-stroke
engine, usually found in a Polaris RZR side-byside, that the team used in 2018 and 2019. This
was swapped from the stock snowmobile's
2-stroke engine for the generally better
emissions, efficiency, and sound. Since first using
this engine in 2018, the team has been
continuously finding ways to improve its
emissions and efficiency, including an enginematched catalytic converter, hours of engine
calibration, a turbocharger, and a VVT system.

10 February 2021

The University of Minnesota Duluth
Clean Snowmobile team applies
VVT for the first time in an off-road,
powersports engine used in the SAE
Clean Snowmobile Challenge.

Keweenaw Research Institute/Michigan Technological University

PHASING
INTO THE
FUTURE

UMD Clean Snowmobile Team at the 2020 SAE Clean Snowmobile Challenge.

MOMENTUM



Momentum - February 2021

Table of Contents for the Digital Edition of Momentum - February 2021

Momentum - February 2021 - Cover1
Momentum - February 2021 - Cover2
Momentum - February 2021 - 1
Momentum - February 2021 - 2
Momentum - February 2021 - 3
Momentum - February 2021 - 4
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https://www.nxtbook.com/smg/sae/21MOMP02
https://www.nxtbook.com/nxtbooks/sae/20MOMP11
https://www.nxtbook.com/nxtbooks/sae/20MOMP10
https://www.nxtbook.com/nxtbooks/sae/20MOMP09
https://www.nxtbook.com/nxtbooks/sae/20MOMP04
https://www.nxtbook.com/nxtbooks/sae/20MOMP03
https://www.nxtbook.com/nxtbooks/sae/20MOMP02
https://www.nxtbook.com/nxtbooks/sae/19MOMP11
https://www.nxtbook.com/nxtbooks/sae/19MOMP10
https://www.nxtbook.com/nxtbooks/sae/19MOMP09
https://www.nxtbook.com/nxtbooks/sae/19MOMP04
https://www.nxtbook.com/nxtbooks/sae/19MOMP03
https://www.nxtbook.com/nxtbooks/sae/19MOMP02
https://www.nxtbook.com/nxtbooks/sae/18MOMP10
https://www.nxtbook.com/nxtbooks/sae/18MOMP03
https://www.nxtbook.com/nxtbooks/sae/18MOMP02
https://www.nxtbook.com/nxtbooks/sae/17MOMP11
https://www.nxtbook.com/nxtbooks/sae/17MOMP10
https://www.nxtbook.com/nxtbooks/sae/17MOMP09
https://www.nxtbook.com/nxtbooks/sae/17MOMP04
https://www.nxtbook.com/nxtbooks/sae/17MOMP03
https://www.nxtbook.com/nxtbooks/sae/17MOMP02
https://www.nxtbook.com/nxtbooks/sae/16MOMP11
https://www.nxtbook.com/nxtbooks/sae/16MOMP10
https://www.nxtbook.com/nxtbooks/sae/16MOMP09
https://www.nxtbook.com/nxtbooks/sae/16MOMP04
https://www.nxtbook.com/nxtbooks/sae/16MOMP03
https://www.nxtbook.com/nxtbooks/sae/16MOMP02
https://www.nxtbook.com/nxtbooks/sae/15MOMP11
https://www.nxtbook.com/nxtbooks/sae/15MOMP10
https://www.nxtbook.com/nxtbooks/sae/15MOMP09
https://www.nxtbook.com/nxtbooks/sae/15MOMP04
https://www.nxtbook.com/nxtbooks/sae/15MOMP03
https://www.nxtbook.com/nxtbooks/sae/15MOMP02
https://www.nxtbook.com/nxtbooks/sae/14MOMP11
https://www.nxtbook.com/nxtbooks/sae/14MOMP10
https://www.nxtbook.com/nxtbooks/sae/14MOMP09
https://www.nxtbook.com/nxtbooks/sae/14MOMP04
https://www.nxtbook.com/nxtbooks/sae/14MOMP03
https://www.nxtbook.com/nxtbooks/sae/14MOMP02
https://www.nxtbook.com/nxtbooks/sae/13MOMD1101
https://www.nxtbook.com/nxtbooks/sae/13MOMD0930
https://www.nxtbook.com/nxtbooks/sae/13MOMD0830
https://www.nxtbook.com/nxtbooks/sae/13MOMD0401
https://www.nxtbook.com/nxtbooks/sae/13MOMD0301
https://www.nxtbook.com/nxtbooks/sae/13MOMD0201
https://www.nxtbook.com/nxtbooks/sae/12MOMD1031
https://www.nxtbook.com/nxtbooks/sae/12MOMD0928
https://www.nxtbook.com/nxtbooks/sae/12MOMD0831
https://www.nxtbook.com/nxtbooks/sae/12MOMD0330
https://www.nxtbook.com/nxtbooks/sae/12MOMD0228
https://www.nxtbook.com/nxtbooks/sae/12MOMD0128
https://www.nxtbook.com/nxtbooks/sae/11MOMD1028
https://www.nxtbook.com/nxtbooks/sae/11MOMD0929
https://www.nxtbook.com/nxtbooks/sae/11MOMD0829
https://www.nxtbook.com/nxtbooks/sae/11MOMD0331
https://www.nxtbook.com/nxtbooks/sae/11MOMD0225
https://www.nxtbook.com/nxtbooks/sae/11MOMD0128
https://www.nxtbook.com/nxtbooks/sae/10MOMD1029
https://www.nxtbook.com/nxtbooks/sae/10MOMD0930
https://www.nxtbook.com/nxtbooks/sae/10MOMD0831
https://www.nxtbook.com/nxtbooks/sae/10MOMD0331
https://www.nxtbook.com/nxtbooks/sae/10MOMD0226
https://www.nxtbook.com/nxtbooks/sae/10MOMD0129
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