FSAE SUSPENSION DESIGN PDF

Hello forum. I’m fairly new to FSAE and suspension design. One of the overwhelming problems that I’m having is figure out the step by step. Abstract. Design analysis of suspension especially for racecar suspension is very crucial to achieve maximum performance and handling. Suspension design. This article deals with design of Formula SAE Suspension by considering various loads and their simulation on each component of the system.

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I mean I’m just sharing what I know. Benn, Sorry, My previous post was all about kinematics What gsae the functional requirements, for the suspension sub-system, these should emerge from the functional requirement of the car. I basically don’t know where to start there is so much information. Read as much as you can, follow the groundwork that’s already been laid out from years of people before you.

What are fsas specifications associated with your functional requirements. Who is using what, what has been used before? Now slim the ideas down to a core goal. Start by 2D visualizing.

Suspension Design Step by Step Process

I really like one quote or an OptimumG motto that says “Knowledge shared; Is knowledge squared”. Thirldy; If you want to start your design process, Then start desiign visualizing a 3D model of any type of suspension you want The more times you go around the cycle the more you learn, the better your analysis gets and the more engineering you have in your design. You can’t truly design something if you can’t perform an analysis on it.

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You won’t be able to be sure about the results unless you have tire data! If you have aero you have to calculate the load from it, in any case you will have drag, wich will require torque from the rear wheel and will create a small load transfer! All the fitting is already done and all the equations of the model written down -Write a simple code for the Four Wheel model that is able to calculate the slip angle for a given radius and steering angle, you will have to make assumptions about the slip angle at the rear.

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If tires change, what becomes different. I hope I haven’t said something stupid, if so I duly apologize. Not for a particular reason except that there is quite a lot of tutorials deaign youtube ” Start by darwing two planes; Front view and a side view. The time now is Use the Bicycle model first for practice, then build to a Four Wheel 2D model.

Then, build, race, win. Hello Benn, First warm greetings and afterward; I’m a beginner too so don’t take this as an expert talk They have Formula SAE cars and course already modeled into the software. Analyze handling of the car for different parameters and choose system parameters.

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As in any design problem there are some desigm you should take before jumping into the details. The suspension must permit vertical movement between the suspended mass relative to the tires. Be patient enough; The whole process might take up to a month of hard working.

Then by changing tracks, ackermann, wheelbase, cg location, cornering stiffness, toe, etc you can see the effect the balance of the car in steady-state in this case. Milliken Research Associates, Inc. One thing that can be noticed is actually how bumpy the track is. Secondly; Start by tires God be with you and Good luck susprnsion your design.

It should be very helpful too. With this tool you will be able to make graphics, table or suspensjon you like by example, by iteration you can find the maximum lateral G that gives a zero yaw moment for different radius. All times are GMT