Upright is a part of the wheel assembly which holds the hub and allows rotation of the wheel. The design condition is that the distortions will not exceed 0. University of southern queenslands 2008 formula sae society of. The mechanical design of the springdamper systems for the front and rear of the car will be discussed in chapters3and4respectively. Redesign of an fsae race cars steering and suspension. Pdf fatigue analysis and optimization of upright of a fsae vehicle. Although there is no team for the competition this year it is.
Budhale1, prathmesh mahesh daphale 2, souarabh ravsaheb chougule 3, hari ananda patil 4, ashitosh anil mali 5 1asst. Finite element analysis showed that triangular pockets provided the greatest strength with the least amount of deflection. Fatigue analysis and optimization of upright of a fsae vehicle. Upright finite element analysis static analysis fsae. Introduction formula sae fsae is an international competition that challenges teams of students to finance, design, build, and race a small openwheel racecar. This will allow testing of the two different design approaches for a more. Chapter2explains the working principle of a suspension system and lists the requirements the springdamper system has to ful ll. Design and strength analysis of fsae suspension the open mechanical engineering journal, 2014, 8. In other words, its a line joining the upper and the lower ball joint of the upright with respect to vertical axis drawn from the center of the tire.
Fsae chassis design, need direction physics forums. Report of student formula project shigenori hashida tohoku university formula team abstract in 20, tohoku university took part in student formula japan for the first time and. Construction of the design has progressed well and required only minimal. This upright design was used in our last year fsae car.
This project achieves what it set out to do, a chassis design is complete and meets the fsae rules. Design and analysis of knuckle and hub of fsae race car. Formula sae interchangeable independent rear suspension design. Pdf design and optimization of hub and knuckle for. Fsae design event scoring some insight into the process the design and developmental process of a fsae car is a complex process. Formula sae is a student design competition organized by the sae international. The forces from the tire contact patch are transmitted by the upright to the suspension links. Aug 18, 2017 this presentation gives you the information from research to the manufacturing of upright assembly of fsae race car. Harne college of engineering and technology, karav, vangani, dist thane maharashtra 421503, india. The chassis design is a unique one using the battery boxes as a structural component to stiffen the weaker, open cockpit section which has not been done before if fsae. Designing and optimization of wheel asembly including hub and knuckle for formula sae car to improve its handling capacity and reduction in unsprung mass. Uprights, wheel hubs and brake system for a new formula student. Design process elements of the car that have influence on the steering system design 2. Analysis of wishbones, upright, fsae, tiredata, etc.
The cockpit must be sufficiently spacious to allow the necessary movements of the pilot to have a good control of the car. Fatigue analysis for upright of a fsae vehicle written by shobhit agarwal, tarun saatyaki. It gives information of knuckle and hub assembly of team mh08 racing, 1st formula student racing team in whole konkan region which has been participating in formula student india from last three years. It is also required that this new rear suspension design be interchangeable with the solid rear axle design. Design of formula sae suspension theory in practice. Fsae 2015 chassis and suspension final report fiu department. Design and analysis of knuckle and hub of fsae race car 1. Calculating the forces on every link is important to design the suspension system as all the forces from. To replace the torsen differential in the old car, a clutch type differential was chosen. Design and optimization of formula sae suspension system. The fsae competition is sponsored by the society of automotive engineers sae. Chapter 5 details the design of the suspension arm and upright geometry. Design and ansys analysis of components of wheel assembly of.
Final layout drawings of system and subsystems 3 3. Upright finite element analysis static analysis fsae, baja. After several iterations the result of the final upright was 1. Some key questions that have been raised from year to year in. Formula sae interchangeable independent rear suspension. Pdf design and optimization of hub and knuckle for formula. The clutch types smoother operation leads to better handling overall so it is an upgrade from the current system. Upright, hub and brackets are manufactured with the help of cnc turning, vmc and water jet machining to get the. Expedited orders may not ship as scheduled at this time. In the north american competitions the rules are precise. In this paper, the authors discuss the design and manufacture of an intake system for a 600cc formula sae engine. Design, analysis and testing of a formula sae car chassis. 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. Some key questions that have been raised from year to year in designing fsae cars at cornell university are.
Fea program of choice in this project, the goal is to design the 2018 fsae upright based on the. Steering system and suspension design for 2005 formula saea. The focus of this design project is to design an ergonomics jig in which all of the main components the driver interacts with during the competition not only meet the requirements set by the sae board, but is also adaptable to more efficiently locate the vital controls for the. 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. Pdf fatigue analysis and optimization of upright of a. The step is the same thickness as the bearings width in the hub so that the slight impact load caused by. Going into chassis design immediately skips a lot of more important steps in the design. The front and rear uprights have been designed using the 3d modeling software catia and in accordance to the formula sae rulebook 2018. We used wheel and the suspension geometry was designed according to guidelines given in the book of adams herbs. Upright, hub and brackets are manufactured with the help of cnc turning, vmc and water jet machining to get the precision and accuracy. Henceforth, the fsae rule stated that the upright design will be followed by the specifications of the wheel which should 203.
Our mqp team was tasked to design a car for the fsae competition in 2016 and. Expedited shipping orders must be placed by 1pm cst to ship sameday. The judges always ask us about the goals of the car. The university of michigan team has consistently been one of the top teams in the competition. William kinkead, me connor morette, me adrian pickering, me zachary sears, me james waldo, me. Lightweight design of front suspension upright of electric. Feb 22, 2016 this video discusses the static analysis of an upright of a student competition car. The cockpit the criterion to design a cockpit is to create a comfortable place to the driver. Pdf fatigue analysis and optimization of upright of a fsae. The main subject of this report is the design of a springdamper system for the ure06. Steering system and suspension design for 2005 formula saea racer car a dissertation submitted by cristina elena popa in fulfilment of the requirements of courses eng4111 and 4112 research project towards the degree of bachelor of engineering mechanical submitted. Formula sae fsae is a student collegiate design series devoted to the design and construction of openwheeled race cars. Figure 98 factor of safety plots for the front upright.
Improvement of intake restrictor performance for a formula. A design judge will be expecting you to demonstrate how you chose your suspension rod ends and tube sizes, hub and upright shape and material, etc. However, rival cars use a frame designed for an internal combustion car, so they cannot take full advantage of electric car capabilities. Upright is a part of the wheel assembly which holds the hub and allows. Design and analysis of hub and knuckle of fsae race car mr. Calculating the forces on every link is important to design the suspension system as. This video discusses the static analysis of an upright of a student competition car. The unequal aarm suspension was chosen by the suspension team as the design concept to be pursued during phase two. The university of michigan team has consistently been one of the top teams in. Design and optimization of formula sae suspension system ashish avinash vadhe mechanical engineering department, b.
The design of fsae formula frame with light weight. Steering system and suspension design for 2005 formula. Introduction to formula sae suspension and frame design. Design and analysis of the suspension upright structure of a. You want to start with setting up a project plan, investigating the fsae rules, do a couple of brainstorm sessions with the team about which subsystems you require and how you will divide the workload. Redesign of an fsae race cars steering and suspension system. The suspension geometry of a standard fsae race car has been used for the calculation of the forces. Steering design for a formula saea open wheel race car. In order to prevent the hub from sliding into the upright, a step was designed into the spindle 5. Design and analysis of hub and knuckle of fsae race car. Tie rod a suspension member connecting the upright to the steering rack. Over 200 schools participate in this series with competitive events held in the united states of america, the united kingdom, germany, brazil. Forces are generated at the tire contact patch during various maneuvers of the car and transferred to the chassis through the suspension links.
Javir4 1,2,3,4department of mechanical engineering 1,2,3,4rajendra mane college of engineering and technology, ambav, mumbai university abstract the formula sae series competition gives. Using the performance in braking, skid pad, acceleration, and autocross from the previous years car as a benchmark, the project was oriented around redesigning specific aspects of the car. Completion of the project has seen the design of geometry for the suspension arms. Fatigue analysis for upright of a fsae vehicle ijert. The displacement from the front axle on the upright design is found again in solid works software. Thereby, the design can realize unity of the car and driver. Fsae car without the wings inside which the flow analysis is done. Fatigue analysis and optimization of upright of a fsae vehicle article pdf available in international journal of science and research ijsr volume 6issue 9. In our project we design the steering system so the design of the cockpit is not our responsibility. The step is the same thickness as the bearings width in. The load paths and fbd have been drawn and axial stress in the all the linkages. A project presentation on design and analysis of knuckle and hub of fsae race car submitted to university of mumbai in partial fulfillment of the requirement for the degree of bachelor of engineering mechanical submitted by 1. Jul 29, 2016 these forces have been calculated for all the links of a double wishbone suspension geometry.
The final design used triangular pockets to lighten the upright. Specifically, fused deposition modeling is used to create an intake system consisting of a plenum, plenum elbow, and cylinder runners that is then later covered in layers of carbon fiber composite fabric through vacuum bagging. Design and analysis of the suspension upright structure of. Formula sae is a student design competition organized by sae international. The objective of this study was to design a new suspension system for a formula sae competition. Solidworks fea package is used to carry out the analysis. Design, analysis and manufacturing of front wheel assembly of. Cite this article anshul dhakar and rishav ranjan, force calculation in upright of a fsae race car. Design of a formula student race car springdamper system.
The design of the upright structure will be based on the dimension of the rims as well. 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. Abstract this dissertation documents a design project for the steering system for the. The scope and parameters are identified with the selection of a. The purpose of formula sae is to provide students an opportunity to design, fabricate. The aarm configuration meets the design requirements for structural integrity and suspension travel, and benchmarking specific to fsae indicated that the unequal aarm design was by far the most common design in fsae application. Computer aided design cad and finite element analysis. Introduction to formula sae suspension and frame design edmund f. Received 15 march 2018, accepted 19 may 2018, available online 23 may 2018, vol. Fatigue analysis and optimization of upright of a fsae vehicle ayushgarg. Once the design is completed then we looked for manufacturing process with material and other components such as nut bolts, bearing etc. In this report, the overall design process for a formula sae vehicle will be explored. Each subteam should in some way tie into the cars overall design goal.
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