This tool was used to optimize the geometry as shown in figure 1. Nick butler, grayden elegante, andre romero, spence tan, joel williams. June 2023 in lincoln, ne chip every year psus viking motorsports team builds a open wheel race car, with a limit of a 600 cc engine to compete against other engineering schools in the international fsae competition. Design and optimization of an fsae frame, suspension, and business portfolio submitted to the faculty of. Pdf in this work, we presented in detail the design procedure of the front. Design of suspension system for formula student race car. What is the type of suspension which is best suited for a sae. The design of an innovative automotive suspension for formula. The suspension dynamics and stiffness can be tuned through. The car is evaluated in automotive design and performance through a series of static and dynamic events which focus on safety, manufacturability and of. Its basic dimensions are set by the suspension geometry, the engine, other mounting points and the fsae rules about safety etc. Redesign of an fsae race cars steering and suspension.
Design of the wufr19 fsae suspension semantic scholar. The unequal aarms with tierod on front and rear suspension are detailed. The suspension system must therefore keep the largest contact tire patch at all times. Design and optimization of an fsae frame, suspension, and. Mac pherson front suspension in this case, normally, positive camber angle is very low and. Cite this article anshul dhakar and rishav ranjan, force calculation in. A thorough analysis of 2004 usq racer car has been included in order to. To design and build 2 sets of dampers 8 in total for a fsae racecar, that will perform better than any available offtheshelf piece, and run them at the fsae competition in may 2006. Sep 08, 2015 greetings from formula sahyadri when you say about fsae everything should be peffect. Scribd is the worlds largest social reading and publishing site. Pdf design of suspension system for formula student race car. A basic description of each dynamic parameter is included in appendix a. Design and optimization of a formula sae vehicle a major qualifying project submitted to the faculty of worcester polytechnic institute in partial fulfillment of the requirements for the degree in bachelor of science in mechanical engineering by. After rules analysis, which limits the suspension a minimum travel and wheelbase, project targets were defined, than a benchmarking was made on top teams.
Fsae spec files current news rcv performance products specializes in industry leading quality parts for countless motorsports applications from ultra4 race cars, desert cars, pro4 trucks, to jeeps, toyotas, utvs, and rock bouncers. Fsae suspensions operate in a narrow realm of vehicle. A quick video of the mtsu fsae suspension setup that i designed. Fsae chassis design, need direction physics forums. What are the things required to design a suspension system.
In 2009, the wpi fsae team designed and began manufacturing a racecar for the 2009 formula sae competition. Formula sae and formula student are collegiate engineering competitions with over 500 participating schools that challenge teams of students press j to jump to the feed. The purpose of this paper is to present experimental data on designing and optimizing a carbon fiber suspension system for formula cars. William kinkead, me connor morette, me adrian pickering, me zachary sears, me james waldo, me. This steering system had to also comply with all aspects section 3.
Jul 14, 2016 cinematics of the fsae front suspension design. The following report from reid olsen, eric melchiori and andrew bookholt of composite suspension solutions shows how that comparison was conducted and its results. This steering wheel was designed by incorporating the dashboard into a steering wheel, like f1 steering wheel. Rit formula sae data acquisition system preliminary design. The target values for concerning and braking have been set according to the tracks present in the fsae international events. The thesis will serve as a summary of the knowledge that i have accumulated over four years of personally designing and overseeing the manufacturing of the mit motorsports suspension, provide insight into the design of the my2009 vehicle, and act as a guide for future chassis designers.
Exploded view of wheel assembly for component nomenclature. Hyperco suspension components are a part of winning, from street to track. The vehicle presented in this project is the fsaeprototype of the university of padua, which competed in the 20 season of the series. Pdf in this work, we presented in detail the design procedure of the front double aarm push rod suspension system for a formula student race car. Design of a carbon fiber suspension system for fsae applications. The suspension geometry of a standard fsae race car has been used for the calculation of the forces. This enables the drivers to have good control of the car.
In past years, the team has implemented two different types of steering systems, both with little success. Design and optimization of a formula sae vehicle a major qualifying project. Design the suspension, drivetrain, safety systems, driver positions etc. Steering system and suspension design for 2005 formula saea. Salinas university of missouri rolla abstract this paper is an introduction to formula sae fsae suspension and frame design based on the experience of the design team at umrolla. As a result, out of the numerous countries in which fsae competitions are conducted, we chose. Redesign of an fsae race cars steering and suspension system. It covers complete design consideration and methodology of designing suspension system for formula sae car. There may be significant differences in dynamic tuning parameters for different fsae packages. Suspension for suspension design, we used double wishbone system that has low camber change for front and rear side. Fsae 2015 chassis and suspension final report fiu department. We came to the conclusion that in order to design and manufacture a car suitable for an international competition, we need at least a years time.
Suchomel culs prague, technical faculty, department of vehicles and ground transport, prague, czech republic b. Front suspension a isometric view b front view with labelling. Each subsystem requires its members to implement organizational, managerial, and most importantly. The customer features were gathered from the results of the survey which was based on a 5 point scale rating their importance. Design of suspension system for formula student race car core. The goal for this project was to design a steering system for the 2006 fsae car to address all the shortcomings of previous designs, yet retain the low cost, manufacturability, and low weight.
The load paths and fbd have been drawn and axial stress in the all the linkages. Technical note on design of suspension parameters for fsae vehicle o. Fsae suspension free download as powerpoint presentation. Design of a carbon fiber suspension system for fsae. This will allow testing of the two different design approaches for a more. Fsae steering system 2 abstract executive summary the uc davis formula sae team has designed a car to compete in the 2006 formula sae west competition on june 14th. The engine was paired with a custom pneumatic shift transmission to allow an automatic shift mode. Problem statement suspension components on any racecar must maintain a balance between weight, stiffness, strength, cost and manufacturability.
Through analysis of the car entered in the 2016 competition. We planned to go for fsaea with electric car category but never able to make it. Pdf in this work, we presented in detail the design procedure of the front double. Front suspension a isometric view b front view with. It is also required that this new rear suspension design be interchangeable with the solid rear axle design.
Steering system and suspension design for 2005 formula. Suspension system report of competition fsae or formula student. At the front, pullrod suspension is used for packaging reasons, as the suspension is under the pilots legs, and to lower the center of gravity. Nov 17, 2007 design the suspension, drivetrain, safety systems, driver positions etc. Suspension, steering and drivetrain components are designed to be easily replaceable on the track with only basic tools. An fsae racecar does not need to absorb massive impacts from jumping off cliffs, nor does it produce massive amounts of downforce, requiring very stiff springs and dampers. Fsae suspension suspension vehicle deformation mechanics. Design of a suspension system for a formula student. This paper proposes a procedure which involves kinematic and dynamic analysis followed by vibration analysis for the design of a double aarm pushrod suspension system. The suspension system is one of the most important systems to consider when designing a fsae car. Values specific to the 2006 mracing fsae vehicle have been excluded from this report to protect the competitive interests of the team.
Aarms, bell crank, pushrod, ansys, spring and dampers 1. Pdf formula sae suspension design semantic scholar. Introduction the suspension system is one of the most important systems to consider when designing a fsae car. Click here to view all available suppliers for this material. The purpose of this mqp was to design and manufacture a new frame and suspension for use in the 2018 fsae competition. Design and optimization of a formula sae racecar chassis.
These forces have been calculated for all the links of a double wishbone suspension geometry. The reason carbon fiber suspensions are favored over the current steel suspensions is because of they can reduce the weight of the suspension by 50%. The 2002 lawrence technological universities formula sae car will be used as an example throughout this paper. Suspension the first step to designing the suspension is picking out the ideal set up. Formula sae interchangeable independent rear suspension. At the rear, pushrods are used for packaging reasons.
The formula sae rules are the responsibility of the formula sae rules committee and are issued under the authority of the sae international collegiate design series. Looking for downloadable 3d printing models, designs, and cad files. This article deals with design of formula sae suspension by considering various loads and their simulation on each component of the system. Thirdly, the front and rear suspension models were set up by the solidworks 3d software. Double wishbone front suspension in such suspension, camber is positive and about 1 degree. Sep 15, 2016 the push rod type of suspension system is the best suited one for sae supra competition vehicles keeping in view that we are making a racing vehicle which will run on a flat track without any heavy bounces, it is better go for this type of susp. The push rod type of suspension system is the best suited one for sae supra competition vehicles keeping in view that we are making a racing vehicle which will run on a flat track without any heavy bounces, it is better go for this type of susp. For tires to have optimum grip even in any position, we focused on minimizing camber change in negative direction with bound and rebound4. Analysis of wishbones, upright, fsae, tiredata, etc. Titleconventional half car model bode diagram of v_m_u_s_1v_i_n. The steering wheel is fabricated via cnc machining, while it was initially planned to be 3d printed.
We were able to obtain a free copy of lotus suspension analysis software from lotus engineering. Fsae os team will redesign the outboard suspension for my12. We planned to go for fsae a with electric car category but never able to make it. Technical note on design of suspension parameters for fsae.
Elka suspension dampers actuated by rockers are used at each corner. The car right after the silverstone event in 20 fsae is a students engineering competition where student teams from around the world design, build, test, and race a smallscale formula style racing car. Formula sae ergonomics jig ryan buffington 10 p a g e objectives based on the surveys, the product objectives are the list of features that are taken into consideration. All accelerations, either lateral or longitudinal, must be put to the ground through the tires, which are held in contact with the ground by the suspension system. Design braking, steering and suspension systems for a formula sae competition that will provide effective vehicle control. Fsae suspension report free ebook download as word doc. In order to reduce unsprung weight, we chose to use modular carbon fiber. These parameters are intended to describe a racing package similar to dartmouth formula racings 2006 fsae car. At the end of the year the team was unable to complete the fabrication of the 2009 fsae racecar.
Formula sae interchangeable independent rear suspension design. A top view of a double wishbone suspension with toe link 2, p. Introduction to formula sae suspension and frame design edmund f. Nov 21, 2011 a quick video of the mtsu fsae suspension setup that i designed.
Finally, the analysis of static stress on the main components of fsae racing using the simulation module was performed to form the car suspension system so that it meets the design requirements of the fsae regulations. Press question mark to learn the rest of the keyboard shortcuts. So in the turn, camber of that wheel is inside turn is zero or negative useful and outside turn is negative useful. Hypercoils have been utilized by every indianapolis 500 winner since 1965. The geometry with minimum variation in wheel alignment with wheel travel was finalized. The team has thirteen returning members that are responsible for designing and manufacturing each of the five vehiclesubsystems. The suspension system is a device connecting the body with wheels. Tire data has been used to find out the friction coefficient at the contact patch which varies to the normal. Greetings from formula sahyadri when you say about fsae everything should be peffect. Ruzicka university of technology brno, faculty of mechanical engineering, institute of machine and industrial design, brno, czech republic. Introduction to formula sae suspension and frame design. Wolfpack motorsports is nc states formula sae team. Optimization of double wishbone suspension system with.
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