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The mission of the Symposium of University Research and Creative Expression (SOURCE) is to provide a university-wide forum for Central Washington University (CWU) students, encouraging equity, diversity, and inclusivity, representing all disciplines and experience levels, to present their mentored research, scholarship, and creative works in a juried environment that meets professional conference standards and expectations.

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Monday, May 16 • TBA
RC Baja: Drivetrain and Steering

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The RC Baja competition is a contest where undergraduate mechanical engineering students design, build, and compete against one another. The objective of this competition is to create the most efficient RC car possible. A gear train analysis was done and showed an 8:1 gear ratio would be the most efficient ratio due to the chosen motor having a higher torque output. Also, a stress analysis was done and showed that 2011 T3 aluminum passed the stress and weight criteria. These analyses ensured the RC Baja car was efficient. Most of the parts for the drivetrain and steering subassemblies were machined in the machine shop at CWU while some were 3D printed also at CWU. Once the RC car was designed and built, the efficiency of the RC Baja car is determined by doing numerous tests such as a speed test, drop test, cornering test, and a collision test. The speed test showed expected performance by averaging 20.5 MPH through the three trials over the span of 50 feet. The drop test from 1.5 feet was videoed to determine the deflection of the tie rods. The tie rods showed minimal deflection that was almost too small to measure at 0.01 in average over three trials. The cornering test was done three times to show an average of 5 degrees of yaw through a 60 corner over the span of three trials. This report will cover the designing, manufacturing, and testing of the RC Baja car that will be competed.

Speakers
MM

Mathew Morgan

Undergraduate, Mechanical Engineering Technology

Mentors
avatar for Charles Pringle

Charles Pringle

Mentor, Mechanical Engineering Technology (MET)
avatar for Chris Berkshire

Chris Berkshire

Mentor, Engineering Technologies, Safety, and Construction (ETSC)
JC

Jeunghwan Choi, PhD

Mentor, Mechanical Engineering Technology (MET)


Monday May 16, 2022 TBA
Virtual

Attendees (1)