Momentum - February 2021 - 5

Student Generation

Three-dimensional engine bay design (LEFT) and its real-world result (RIGHT).
design all mounting and fitment aspects of the snowmobile in Solidworks.
After receiving a 2020 Polaris Titan Adventure 155 chassis in late September,
the team quickly realized a major issue in their reverse-engineering methods.
Complex geometries of the aluminum engine bay casting created
compounding errors in the three-dimensional modeling of the engine bay
using calipers and micrometers. It quickly became evident that this
methodology would not suffice.
This failure influenced further research on the internet, where team
member Keenan Lynch discovered a portable 3D scanning company known
as Creaform. After a short phone call with their staff and a few emails, a
couple members of the Clarkson team headed up to Montreal, Quebec, over
their October break to have the chassis 3D scanned with a 0.2-mm
resolution. This scan, once reduced to a manageable file for importation into
Solidworks, became the backbone of Clarkson's design. At this point it was
mid-October, giving the team just two and a half months to complete a full
design of the engine bay. Team co-president Aidan Stair undertook the main
burden of this aspect of the project.
The design of the engine bay involved a complete redesign of the
overhead pyramidal structure, which had to be bowed and strengthened

with gussets, ribs, and a material change to meet
a competition rule of " as strong or stronger than
stock " for modifications to the support structure
of the chassis. Additionally, damped engine
mounts were designed and maximum engine
movement was calculated to ensure proper
fitment. Furthermore, moving parts covers,
intake system, exhaust system, coolant overflow
tank, steering redesign, clutch location, and all
mounts were designed to ensure fitment. Lastly,
modifications to the engine in order to meet all
clearance goals included redesigns of the
coolant outlet, alternator mount, and intake
location on the engine. Needless to say, fitting
this behemoth was a snug fit.
Finally, the design phase concluded in early
January, slightly behind the mid-December plan.
Regardless, complete manufacturing and
assembly of the engine bay components was
completed in just over two weeks. This swift
assembly is credited both to the strength of the
design for manufacturability and the full
involvement of team members and resources.
This is the beauty of building and training a
strong, motivated team of individuals.

TESTING

The Clarkson Diesel Sled team poses with their new engine upon its arrival in early
September 2019.

MOMENTUM

Following assembly, the final step involved
finishing and tidying up the wiring harness and
fuse box before the snowmobile roared to life for
the first time on snow on January 26th, 2020. This
left just over a month for system testing. This
testing included in-chassis dynamometer testing
for emissions, clutch tuning and testing, and
general endurance testing.
The first time the snowmobile was ripped on

February 2021 5



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
Momentum - February 2021 - 5
Momentum - February 2021 - 6
Momentum - February 2021 - 7
Momentum - February 2021 - 8
Momentum - February 2021 - 9
Momentum - February 2021 - 10
Momentum - February 2021 - 11
Momentum - February 2021 - 12
Momentum - February 2021 - 13
Momentum - February 2021 - 14
Momentum - February 2021 - 15
Momentum - February 2021 - 16
Momentum - February 2021 - 17
Momentum - February 2021 - 18
Momentum - February 2021 - 19
Momentum - February 2021 - 20
Momentum - February 2021 - 21
Momentum - February 2021 - 22
Momentum - February 2021 - 23
Momentum - February 2021 - 24
Momentum - February 2021 - 25
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
https://www.nxtbookmedia.com