This report details the design of the electrical systems implemented on the vehicle including wireless telemetry. The 2002 formula car utilizes rear control arms constructed of 19mm o. Download lotus suspension analysis software suspension download lotus suspension analysis software. After rules analysis, which limits the suspension a minimum travel and wheelbase, project targets were defined, than a benchmarking was made on top teams. Control arms control arms have the important task of connecting the uprights to the chassis. Iterative design in the repeating process of designing, testing, analyzing and re. You can also use this function to compare front and rear suspension although be careful as only the model at the front of the drawing is saved within.
The formula ice team builds and races a formula car each year at sae collegiate design series formula student competition. The 2016 formula sae vehicle electrical systems design project provided enhanced electrical systems for the 2016 fsae vehicle that competed in the michigan 2016 fsae competition. Sae events are a lot more than a learning experience. Introduction to formula sae suspension and frame design edmund f. 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. Help best software for suspension geometry for mac. Fsae car specifications for the competing teams, including track width and wheelbase, are available in the event program published by sae. The university of maine has prepared a formula style car featuring a chromoly space frame, an vtwin engine, fully independent double wishbone suspension, composite drivers seat, and a. Some suspension design software packages provide 3d visualization of suspension geometry and movement, and enable the designer to change pickup points and other points in space before reanalyzing the design. Design optimization of suspension geometry and frame of a.
This is the fifth in the video series developed for ucis racecar engineering program. Some software includes kinematic capabilities that simulate vehicle dynamics using the designed suspension. The suspension system is a device connecting the body with wheels. The solutions part of stars pro provides a way to categorize handling problems corner entry, midcorner, corner exit understeer or oversteer in relation to corner type low speed, medium speed, high speed, banked, track, corner, car and car class together with your solutions to those problems. Design of a suspension system for a formula student. The formula sae team is a group that represents a fictional manufacturing company that develops a small openwheeled racecar for the racing enthusist. Vinayak maharshi, worked on suspension geometry of a custom vehicle. Redesign of an fsae race cars steering and suspension system. Aarms, bell crank, pushrod, ansys, spring and dampers 1. Second, this seems to be the first time that two class sections used fea to design and optimize an fsae chassis. Greetings from formula sahyadri when you say about fsae everything should be peffect. Design, analysis and testing of a formula sae car chassis william b.
Design of suspension system for formula student race car. Bookholt of composite suspension solutions shows how that comparison was conducted and its results. Car design tools for chassis, suspension, aerodynamics. A kinematic model was developed to better understand how the measured characteristics of these joints affect their application for a formula sae race car suspension. 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. Upper lateral link, lower parallel links, twin trailing link rear a variation of the reversed lower aarm style. Design of a suspension system for a formula student race car by.
The best software for students in formula sae and formula student. Finite element analysis fea through solidworks software was. Formula sae performance optimization reduce development time and costs and improve vehicle performance using software designed specifically for vehicle dynamics and development. Design of a suspension system and determining suspension. Competing teams spend one year designing, building, and testing their cars. The suspension system mainly comprises of the elastic components springs, shock absorbers and control arms. Throughout the process, teams are supposed to design, manufacture and test the race car so that they can compete with other teams which are participating in the competition. 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. Question help best software for suspension geometry for mac.
The unequal aarms with tierod on front and rear suspension are detailed. Problem statement suspension components on any racecar must maintain a balance between weight, stiffness, strength, cost and manufacturability. Adams car software allows students to design and simulate their fsae vehicles to. The control arm also plays a key roll in determining the camber and roll stability. For racing application, what actually counts is the wheel path during bump and the consequently change of wheel parameters like camber. You can use mbd softwares like adams car or carsim for checking various. Fsae engineering teams can exercise their vehicle designs under various road. Building an electric vehicle for formula sae msc software. The formula sae program manager and rules committee have begun to outline what this means for each aspect of the event. Only the parameters change depending on the requirements of the car.
A thorough analysis of 2004 usq racer car has been included in order to. These six major areas of the car design work as an integrated unit and the. Formula sae chassis design to improve suspension tuning. The paper will also talk about the parameters, which will affect suspension design. Lotus shark suspension analysis software is used for dynamic analysis of suspension. In addition, preliminary compliance testing involving two sizes of rod ends and a similarly sized spherical bearing indicate scale and construction dependencies. Pdf formula sae chassis design to improve suspension tuning. Design, analysis and testing of a formula sae car chassis. The anyalysis in this paper will be heavily re liant on. Formula sae is a student competition where college students conceive, design, fabricate, and compete with a small formulastyle open wheel racing car.
Firstly, the selection of the suspension type of a fsae racecar. Suspension design software is invaluable in car or truck design as it does the heavy lifting when it comes to the many iterations of manual calculation that are usually needed to find the ideal geometry. Redesign of an fsae race cars steering and suspension. A formula student race car is a simplified version of formula one race car designed and built. The teams goal is to promote learning and innovation through research, design, marketing, management, and finance. 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. What are the things required to design a suspension system. Process of importing coordinate points and creating 3d sketch is demonstrated. For the 20042005 season, ubracing took on the challenge of designing a completely new car from a clean. Where do i find good material for designing a suspension system for the baja. Therefore, the papers prime focus is to design and optimize a formula sae fsae. Design analysis of suspension especially for racecar suspension is very crucial to achieve maximum performance and handling. Greetings from formula sahyadri when you say about fsae everything should.
The old model remains at the back of the drawing, you can use it as a guide when making adjustments to the layout or visually compare how the changes will perform when the suspension is in motion. The sae design project also provides skills for students in engineering mechanics, heat transfer, machine design, fluid dynamics, and senior design projects. Unofficial discussion forum for formula sae and formula student engineering competitions, part of the sae international collegiate design series. Adams car 4 is one of the most well known multibody dynamics simulation software on. Introduction to formula sae suspension and frame design. Due to the nature of the scoring in the formula sae competition, weight. The cars are meant to be build and marketed as weekend racers for nonprofessional drivers.
Despite the restrictions imposed by the formula sae rules, the designer has a broad range of freedom in creativity and innovativeness. What are the things required to design a suspension system for a. In this competition, student design teams design, build, and test a small formulastyle race car. Manufacturing is done by major machining processes like.
Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. Design and optimization of the steering system of a. Formula sae is an international automotive design competition organized by. 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. Download lotus suspension analysis software baja tutor. Formula sae interchangeable independent rear suspension. At formula sae electric competition this year, the team was anxious for its first real run at technical inspection, design judging, and the prospect to compete in dynamic events. Steering system and suspension design for 2005 formula. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. In this video, you will learn how to add suspension arms to a chassis model in spaceclaim. Suspension plays a major role during race car racing. The teams, acting as contractors for a fictional manufacturing company, are held to strict rules. Which software should one use to design suspensions for the sae. Optimize various parameters such as suspension stiffness or location of.
I designed a complete suspension system for the 2016temple fsae racing car. During the first stage, accumulator battery inspection, we wowed many inspectors and. Rack and pinion steering has become increasingly popular, most small. The university of birmingham formula student team ubracing competes in. Smitty describes the principles of suspension design. Team formula is a studentled team based in and out of class to design, construct, test, and race a formula race car in national fsae events. The classis 60s sports and racing car rear suspension. This article deals with design of formula sae suspension by considering various loads and. Diyguru is the most widely used electric vehicle learning platform for students and formula teams in. How to design a rear suspension in a fsae supra quora. Optimum suspension geometry for a formula sae car pdxscholar.
Teams of engineering students design, build, and race small singleseat racing cars powered by high performance motorcycle engines. Design and optimization of formula sae suspension system. In the meantime, vehicle subsystems like steering, suspension, drive train, and electronics are. Formula sae 20112012 engine design report abstract formula sae is an international design competition held annually by the society of automotive engineers. I started by using solidworks to sketch 2d front suspension points as shown in fig. Optimize various parameters such as suspension stiffness or location of center of mass to improve overall vehicle performance. The design procedure of the suspension system is almost the same irrespective of the competition for which you are going to build the car. The suspension components covered in this paper include control arms, uprights, spindles, hubs, pullrods, and rockers. Formula sae michigan, formula sae california and formula sae north competitions bring together over 100 teams from all over the world, where students are challenged to design and build a singleseat racing car. To do the project, i utilized solidworks, optimum kinematics, and solid thinking software for packaging.
This paper presents the procedure of design and analysis both kinematic and dynamic of the front double aarm pushrod suspension system for a formula student race car. As a little bit of background, i was a suspension design engineer on the uc berkeley formula sae team for a little over two years. Key parameters in the design of these suspension components are safety. Suspension design determine loads to properly design the. The 2020 formula sae virtual event will be taking place in two parts. This paper presents the procedure followed in order to design the first formula student race car of the aristotle university of thessaloniki, greece. Newer commercial software has kinematic features built in that simulate road conditions. Designs the engine and drivetrain of the car, tests the car on. 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. Two approaches to optimize formula sae chassis design. This article deals with design of formula sae suspension by considering various loads and their simulation on each component of the system. The university of birmingham formula student team ubracing competes in the annual formula student and formula sae student motor racing competitions.
University of southern queenslands 2008 formula sae society of automotive engineers or. Abstract the main aim of this paper is to design the steering system for a formula sae vehicle. Reduce development time and costs and improve vehicle performance using software designed specifically for vehicle dynamics and development. A picture of the 2017 viking motorsports internal combustion.