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Automotive aerodynamics is the study of the aerodynamics of road vehicles. Its main goals are reducing drag and wind noise, minimizing noise emission, and preventing undesired lift forces and other causes of aerodynamic instability at high speeds. Air is also considered a fluid in this case. For some classes of racing vehicles, it may also be important to produce downforce to improve traction. In this challenge, you will not only learn about how build and design a race car but will also realize how the design the surface of a car can help minimize drag and improve its motion through the air for better performance.
Research
Research - Rail Car Build
Block Blank
Car with cockpit, colors, and a more defined shape.
Completed car body with wheel fenders, fillets, and a semi-transparent cockpit to view the CO2 canister cavity.
Research - Rail Car Accessories
Resolved revolve command to make the structure of the wheel.
Finished wheel part with bolts, fillets, and an extrusion through the center for the axle.
Finished rubber tire made using the revolve command.
Assembly of the Wheel part and the Tire part.
Washer to separate the wheel and the axles.
Front and Rear axles. The front axle is longer than the rear as there is more material in the front by the wheel.
Research - Rail Car FlowSim
Video of fully assembled practice car
Flow simulation of air as it flows over the model car. Warmer colors indicate higher pressure.
Custom Car Build
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