Formula Racing Car Torsion Testing Rig

Currently, the only way to estimate torsional rigidity of a chassis is using SolidWorks finite element analysis. A torsion-testing rig will allow verification of the analysis and lead directly to a higher score in the design presentation at the yearly competition. The torsion-testing rig designed secures the two rear corners of the chassis while allowing the front of the chassis to pivot on a stand. A torsion load is applied to the front two corners of the chassis and the resulting displacement is measured at various points along its length. With the torsion load and resulting displacement known, the torsional rigidity of the chassis can be calculated. The torsion-testing rig designed has adjustable hub interfaces, a rigid rear constraint system built using a welding table, and weights to apply moment on any Formula SAE rules-compliant chassis. Dial indicators, accurate to 0.001 inches, were used to gather the chassis displacement data.