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Above:
Full assembly and drawing of the car. Consists of 4 ABS wheels, patterned baseplate, drivetrain, 2 housings for chemical reactions, and an electronics housing.
Left (top to bottom):
A close-up of the drivetrain of the car. It consists of a 12 V motor, a shaft coupler between the different-sized shafts, and a bevel gear. The two mounts are 3D-printed with PLA and screwed onto the patterned baseplate.
The two 3D-printed chemical reaction housings.
This miniature car was designed for UC Irvine's Chem-E-Car, a senior design project that participates in the AICHE Chem-E-Car competition, in which cars designed and built by students compete against one another. The cars are powered solely by onboard chemical reactions and must get as close as possible to a target distance.
One design choice was the inclusion of large wheels. The logic behind this decision was that there would be ample clearance beneath the baseplate for any type of motor and drivetrain. However, I ended up not needing the space and chose a low-voltage motor to match the power output of the onboard chemical reactions. I opted for a bevel gear to utilize the full length of the baseplate.
The motor mounts, reaction housing, and electronics housing were designed in SolidWorks and 3D-printed with PLA.
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