Pdf formula sae suspension design semantic scholar. The teams, acting as contractors for a fictional manufacturing company, are held to strict rules and design the car. Jawad and jason baumann lawrence technological university reprinted from. The purpose of this paper is to present experimental data on designing and optimizing a carbon fiber suspension system for formula cars. This paper is an introduction to the design of suspension components for a formula sae car. Therefore, the papers prime focus is to design and optimize a. University of texas at arlingtons fsae cars from 19822008. There are two different classes that teams can enter in, one being an internal combustion powered vehicle and the other being an electrical powered vehicle.
Problem statement suspension components on any racecar must maintain a balance between weight, stiffness, strength, cost and manufacturability. Suspension parameters, spring rate, damping rate, formula studentsae. The chosen project is based on the redesign of the steering and suspension system the for university of southern queenslands 2008 formula sae society of automotive engineers or fsae vehicle. Steering system and suspension design for 2005 formula saea. The suspension components covered in this paper include control arms, uprights. Design and optimization of formula sae suspension system.
Secondly, how to determine the hard points of the suspension system according to the general envelop of the racecar. Bookholt of composite suspension solutions shows how that comparison was conducted and its results. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. University of southern queenslands 2008 formula sae society of automotive engineers or fsae vehicle. Formula u chassis and suspension university of utah. Introduction the suspension system is one of the most important. Technical note on design of suspension parameters for fsae.
The steering system complies with all the relevant rules of the formula saea rule book. The 2002 lawrence technological universities formula sae car will be used as an example throughout this paper. Design of a suspension system for a formula student race car by. Steering design for a formula sae a open wheel race car a dissertation submitted by.
Steering design for a formula saea open wheel race car a dissertation submitted by leslie rayner. The dimensional approach was developed on cad concerning dimensional restrictions. Formula sae shock absorber design abstract the design and manufacture feasibility of a damper customised to a formula sae style vehicle has been considered in this paper. In this article the design of the suspension of a sports car with the class formula sae is considered. The formula sae competition is organized by the society of automotive engineers, and was developed to allow college students to design, manufacture, and drive a formula style racecar. Harne college of engineering and technology, karav, vangani, dist thane maharashtra 421503, india. The main subject of this report is the design of a springdamper system for the ure06. Formula sae is a student competition where college students conceive, design, fabricate, and compete with a small formulastyle open wheel racing car. Secondly, how to determine the hard points of the suspension. The purpose of the society of automotive engineers sae formula major qualifying project mqp is to develop a vehicle for entry in competitions. 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. Steering system design for an fsae car illinois institute of technology 9 2016 endurance event 300 fuel economy event 100 total 1,000 table 1. Redesign of an fsae race cars steering and suspension system. This article describes the determination of the formula studentsae car suspension parameters related to the vertical dynamics of the car as a basic point in tuning up the suspension on the car itself in real operating conditions.
The stability of the frame is quintessential for the vehicles optimum performance. Suspension parameters, spring rate, damping rate, formula student sae. This paper sets down a basic guideline on designing almost any type of formula sae race car suspension. Formula sae interchangeable independent rear suspension design sponsored by the cal poly formula sae team a final report for reid olsen, fsae technical director by. Introduction to formula sae suspension and frame design. These six major areas of the car design work as an integrated unit and the designer must have an understanding of how changes to one area affect the others. Pdf on oct 25, 2016, lucas iensen bortoluzzi and others published formula sae chassis design to improve suspension tuning find, read and cite all the research you need on researchgate. Steering system and suspension design for 2005 formula. Fsae suspension and frame design based on the experience of the design.
Design of a formula student race car springdamper system. This paper is an introduction to formula sae fsae suspension and frame design based on the experience of the design team at umrolla. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Due to the nature of the scoring in the formula sae competition, weight. This paper will cover the suspension geometry and its components, which include the control arm, uprights, spindles, hubs, and pullrods. Fsae 2015 chassis and suspension final report fiu department. The base of the design is an aluminum tube running the entire length of the housing which supports both ends of the rack gear through bronze bushings.
The suspension system mainly comprises of the elastic components springs, shock absorbers and control arms. Calculating the forces on every link is important to design the suspension system as all the forces from wheel to the chassis are transferred by the. Design and optimization of formula sae suspension system ashish avinash vadhe mechanical engineering department, b. In this work, we presented in detail the design procedure of the front double a arm push rod suspension system for a formula student race car. Each competition gives teams the chance to demonstrate their creativity and engineering. Competition points rules the design of the whole fsae car is regulated by the fsae rules that exists to maximize the safety of the vehicle not only for the driver but for the pedestrians as well. The basic theories and methodologies for designing these systems are presented so that new teams will have a baseline for their first fsae design.
All references are based on team astra racings 2015 fhsae entry. Design of formula sae suspension components 20020308 this paper is an introduction to the design of suspension components for a formula sae car. A suspension double wishbone is taken as the basis. The design process consists of first determining the steering parameters and geometry and then analyzing it in lotus shark suspension analyzer. The cars are meant to be build and marketed as weekend racers for nonprofessional drivers. Design of a carbon fiber suspension system for fsae applications. Design and optimization of a formula sae racecar chassis. Due to the scratchbuilt nature of formula cars, the designer must be knowledgeable in handling, chassis, suspension, powertrain, aerodynamic and safety design. Design braking, steering and suspension systems for a formula sae competition that will provide effective vehicle control.
The unequal aarms with tierod on front and rear suspension are detailed. Received 15 march 2018, accepted 19 may 2018, available online 23 may 2018, vol. Formula sae racecar suspension system design scientific. Design of a carbon fiber suspension system for fsae. In this competition, student design teams design, build, and test a small formulastyle race car. Formula sae formula sae is a student design competition where the students have to design, build. The rear frame that holds the powertrain, drivetrain and suspension will be shortened to reduce total mass and yaw inertia of the car. Redesign of an fsae race cars steering and suspension.
Formula sae suspension design free download as pdf file. Steering system and suspension design for 2005 formula sae. Research into the history of dampers, racing dampers and the concept of the damper in formula sae style vehicles, governs the direction of the new design. Designing and constructing a chassis and suspension system for a formula sae racecar is a highly complex task involving the interaction of hundreds of parts that all perform an essential function. 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. This article deals with design of formula sae suspension by considering various loads and their simulation on each component of the system. Pdf design of suspension system for formula student race car. Design and optimization of a formula sae vehicle a major qualifying project. Formula sae suspension design auto racing steering.
Steering design for a formula saea open wheel race car. Design and optimization of the steering system of a. Values specific to the 2006 mracing fsae vehicle have been excluded from this report to protect the competitive interests of the team. Formula sae interchangeable independent rear suspension. A thorough analysis of 2004 usq racer car has been included in order to. Hand calculations for suspension ride and roll rates. Proceedings of the 2002 sae motorsports engineering conference and exhibition.
Reducing weight while maintaining structural integrity is one of the key challenges formula sae teams face as they try and design the suspension of the formula car. Design and optimization of a formula sae vehicle a major qualifying project submitted to the faculty of. This paper covers some of the basic concepts of suspension and frame design and also highlights the approach umrolla used when designing its 1996 suspension and frame. Fsae suspension design, ergonomics, manufacturing and. This paper is an introduction to the design, analysis, and fabrication of a pushrod suspension for use in the formula hybrid sae competition held in new hampshire, usa. The engine was paired with a custom pneumatic shift transmission to allow an automatic shift mode. The main objectives are to reduce the overall weight of the car and at the same time increase the stiffness and strength of the vehicle components. After rules analysis, which limits the suspension a minimum travel and wheelbase, project targets were defined, than a benchmarking was made on top teams. Formula sae interchangeable independent rear suspension design. Design analysis of suspension especially for racecar suspension is very crucial to achieve maximum performance and handling. This article deals with design of formula sae suspension by considering various loads and. 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.
Suspension kinematics study of the formula sae sports. For racing application, what actually counts is the wheel path during bump and the consequently change of wheel parameters like camber. Optimum suspension geometry for a formula sae car pdxscholar. 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. Design and optimization of a formula sae racecar chassis and. Key parameters in the design of these suspension components are safety. For designing purpose, use of basic hand calculations and research of design parameters referring design reports which are paper published. Introduction to formula sae suspension and frame design edmund f. After rules analysis, which limits the suspension a minimum travel and wheelbase, project targets were defined. Formula sae is a student competition where college students conceive, design, fabricate, and compete with a small formula style open wheel racing car. Design and optimization of the steering system of a formula. Dec 29, 2011 adamscar and the baja and formula sae templates allow students to rapidly create a full dynamic model of their student competition vehicle and simulate complex dynamic events. Firstly, the selection of the suspension type of a fsae racecar.
The suspension components covered in this paper include control arms, uprights, spindles, hubs, pullrods, and rockers. Design of steering system of formula student race car amberpreet singh student b. Suspension, steering and drivetrain components are designed to be easily replaceable on the track with only basic tools. Design and optimization of a formula sae racecar chassis and suspension. Design of suspension system for formula student race car. A multiple piece steering rack housing design was chosen, but unlike the 2004 design, minimizing compliance was emphasized. Design of a suspension system for a formula student. First, the working principle of a suspension system is explained and a list. October, steering system and suspension design for a formula saea racer. Introduction a formula student race car is a simplified version of formula one race car designed and built by the university students for competitions like fsae, supra sae, and formula student etc. Pdf formula sae chassis design to improve suspension tuning. Formula sae is an engineering education competition that requires performance demonstration of vehicles in a series of events, both off track and on track against the clock. Design of suspension system for formula student race car core. Fea analysis will be used to optimize the parts along with hand calculations.
Completion of the project has seen the design of geometry for the suspension arms, suspension actuation mechanisms, uprights as well as the steering rack and arms. These six major areas of the car design work as an integrated unit and the designer must have an understanding of how changes to. Excel will be used to simplify calculations handling and to help reduce calculation errors. Examples will be given based on umrollas 1996 fsae entry. The main focus is to design a steering system such as to counter bump and roll steer and ensure proper response to high speed and low speed turns. Less weight than standard suspension springs 2% rate linearity tolerance from 20% to 60% of deflection 4% rate linearity tolerance from 61% to 80% of deflection. At the time of the design no structural calculations were made for each frame, and designs. This article describes the determination of the formula student sae car suspension parameters related to the vertical dynamics of the car as a basic point in tuning up the suspension on the car itself in real operating conditions. This mqp went beyond textbook theory by designing, building and testing the performance of a real vehicle. The main requirements to the characteristics of the suspension of the car of this class are formulated. Design and optimization of an fsae frame, suspension, and.
86 614 839 283 110 793 625 596 128 689 867 1007 627 599 836 1443 792 678 318 61 41 1205 788 421 499 689 580 1035 930 452 1100 253 588 421