Hi, I'm Sean and I'm going to be taking you through the 2022 chassis group and what we've been working on this semester. So to start off, I'm just going to give a team overview of what we do. We are the FSA team, the formula Society of Automotive Engineers. And we were tasked with designing and manufacturing a student formula racecar for competition and may against other universities from the US as well as internationally. This year we had four groups focusing on different designs for the car in this include the chassis group, the ergonomics group, the aerodynamics group, and the drive train group. So for the chassis, our scope was to design and manufacturer a new space frame. We need this form to FSA rules and regulations that are set. And we need to work with all the other groups on the team to determine appropriate locations or their projects amount to, as well as analyzing the forces that are experienced through those mounts. And we did this by doing a lot of FEA analysis on all those mouths and different loading scenarios to figure out how to make those best we could and also safe way. So here's some chassis metrics. The big ones being weight towards from rigidity, bending stiffness and material costs. Torsional rigidity and bending stiffness were the most important to us to figure out a good range of stiffness to weight. As we build the chassis and design it. We really wanted to decrease this stiffness to weight ratio from previous years. So here's some pictures of our final chassis that we welded together over the semester. All the amounts are getting added in as we speak. And now on to those mounts specifically, here we have our metrics table, mostly factors of safety. A lot of this is set by the rules, but we do again a lot of FEM a analysis and different loading scenarios to find the worst loading scenarios of the car will experience. And then we base our signs off of that. So here are the amounts that have been manufactured over the semester to incorporate all the other groups projects onto our chassis design. Thank you for listening and if you would like some more information, feel free to come to our presentation at four to six PM and Clayton Hall. Have a good one.

Chassis Group Pitch Team 400

From Sean Henery December 13, 2021

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Video pitch for the chassis group of the FSAE Team 400

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