Project Title

RC Baja

Document Type

Undergraduate Project

Date of Degree Completion

Spring 2022

Degree Name

Bachelor of Science

Department

Mechanical Engineering Technology

Committee Chair

Charles Pringle

Second Committee Member

John Choi

Abstract

To satisfy the Mechanical Engineering Technology program requirements a senior project was accomplished with an RC car build. An RC car was designed, manufactured, and tested to meet all requirements set forth by American Society of Mechanical Engineers (ASME) RC Baja competition. A two-person team was assembled to build the RC Car. Teammate Paul Lervick was responsible for the suspension and chassis components and the other was responsible for the drivetrain and steering components. During the fall quarter drawings and general designs were created. Many different RC cars and motorized vehicles were referenced when initially coming up with aesthetic ideas. After having a general idea on appearance, engineering analyses were calculated. Several torque analyses were made on gears to assure they would hold up under the power of the 3800Kv motor. Steering component geometry was analyzed after finding the desired steering arm length of 93.75mm. After several analyses were made, decision matrices were created to decide which materials were most appropriate to manufacture components out. After design and analysis came manufacturing and construction. Most components were 3D printed and purchased. Multiple machining processes were utilized to modify parts for fitment and aesthetics. With a fully constructed RC car, testing began. The RC car met the steering requirement of articulating left and right at the desired 60 degrees, and also reached 25 mph top speed as calculated. Additional tests include a slalom course and a drop test.

Comments

2022 SOURCE Presentation: https://digitalcommons.cwu.edu/source/2022/CEPS/32/

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