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Xiao Elastic-01
Formula e
Duration:
Skill Set:
Machine
14 WEEKS
Testing / Prototyping
3d Printter/ Drill/ Milling Machine/ Metal Lathe
Using only a 16-inch rubber band as the power source and no motors, the project aimed to design a vehicle capable of winning a final competition against graduate-level teams.
Formula E (Elastic): ArtCenter Design Competition
Formula E (Elastic) is a long-running design competition at ArtCenter College of Design, originating in the 1980s and held annually since 2006 within the Graduate Industrial Design program. The challenge focuses on designing and testing race vehicles powered only by stored elastic energy, emphasizing iterative prototyping, material constraints, and performance-driven design.
Prototype 0: Defining the Primary Axis
Prototype Zero focused on selecting a horizontal rotational axis and establishing how elastic energy from the rubber band could drive axle rotation. This stage clarified the basic driving logic before physical testing.
Prototype 2: Drive and Steering Development
In Prototype 2, the rear axle was confirmed as the primary drive system. Steering design was introduced, testing a 90-degree turning range to balance maneuverability and stability.
Prototype 3: Revising Proportions and Structure
Prototype 3 reworked the vehicle’s proportions and structural layout, resulting in improved speed and stability. This was the first prototype to perform consistently well during track testing.
Prototype 4: Braking Exploration
Prototype 4 focused on braking solutions, using foam board and cardboard for rapid testing to evaluate stopping performance before final fabrication
Final Model: Steering and Performance Tuning
The final model phase involved multiple test runs to fine-tune steering behavior, adjusting tilt and vertical angles to identify the most effective performance setup.
Final Competition Video
The project was awarded Third Place, bringing the rubber band–powered vehicle from concept to competition.
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