The flying car is technically an airplane with the added feature of being able to move properly on a highway. To fulfill its function as an aircraft, the chassis construction of the vehicle must be strong to withstand the loads while flying or while functioning as a vehicle. The vehicle chassis is as much as possible able to withstand collisions as a passive safety system in the event of an accident. This study was conducted to compare the Chassis of Space-Frame type without impact absorbers and filled with impact absorbers. Chassis made with weight less than 100 kg, this is to improve acceleration and mileage. Modeling was made using Solidworks and analyzed by Solidworks Simulation. It was found that by filling Rigid Polyurethane Foam, the stiffness of chassis can increased by 2.9% and reduce the displacement UY by 2.9%.
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