At the cad model was analyzed parameters as roll center, suspension sizes arms, scrub radius, antisquat, anti. Design of a tubular steel space framefor a formula student race car. Introduction the student competition formula sae fsae, sponsored by the society of automotive engineers sae, motivate students to design, build and compete with a small formula style race car. Dissertation design of a formula student race car spring. The suspension systems represent the doublewishbone con. Design and analysis of suspension system for a formula. To learn more about obtaining a free adams car license for students.
Introduction he steering system of a formula sae car is of the utmost importance as it has to have a good reaction to all turns and corners at the event. Few teams also go with spring damper on lower wishbone system. Suspension validation 15022016 amccormick21 as mentioned previously, the suspension design and, to a large extent, the rest of the car design has been finalised and the sufst build process has started. Here we are with a tutorial session on a topic that is widely discussed on every student competition car forum, but is never presented in a comprehensive and. Matrix method has been developed to calculate the forces on all the links. This car was designed specifically for student formula 2015 where my team ultimate formula one racers is participating. Dr khizer saeed march 2015 final year report submitted in partial fulfilment of the requirements for the degree of. Its the first team my university have put together and i was wondering if there was any good suspension geometry software available for mac.
Suspension geometry and the engine compartment were represented with a high level of accuracy. Design of a tubular steel space framefor a formula student. Design and optimization of formula sae suspension system. 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. Formula student has a philosophy of delivering training that prepares a student for work, so programs such as formula high school, formula prevocation and others develop the learning while untertaking work like practices in a work like environment. Dissertation design of a formula student race car spring, damper and antiroll system 1. As well as creating a 3d cad model autodesk inventor prof 2012 of my chassis design i am looking to create a simulation of the suspension geometry and if possible calculate the geometry values. Introduction to formula sae suspension and frame design.
In order to produce the effect that would be faced by the suspension system when the real formula car will be running on the track during the event. Feel free to like us and follow our webpage closely as we will be posting events and such as they come up. 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. The paper will also talk about the parameters, which will affect suspension design. When designing the geometry, it is important to keep in mind that designing is an iterative process and that compromises will be inevitable. Index terms steering, fsae, ackermann, lotus shark, solidworks. Suspension and steering geometry coordinates in lotus shark the steering geometry had to be analyzed using a particular software to determine the steering parameters for best values of bump and roll steer. In the meantime, vehicle subsystems like steering, suspension, drive train, and electronics are. Icmiee18171 design and numerical analysis of suspension. For windows 7, 8 and 10 with opengl see the faq for more details faq for more. On friday 334 teams finished the registration quiz for formula student germany 2020, which has been a new record for fsg.
Design analysis of formula student race car suspension system. At some point you will want to enter your own suspension geometry data or even just just view the current model in more detail. The aim of the paper is also to lay a proper methodology for designing and analysis of a suspension system which includes knuckle, wishbones and spring. It should assure smooth operation and control for the driver. 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. Formula student usa is excited to present to you its new and improved wesbite along with its first ever facebook page. Design optimization of suspension geometry and frame of a. Additionally, the geometry and the strut assemblies needed to be altered to fit the updated frame. Also learn from them why it is good to struggle, fall and then get up again. Design of a suspension system for a formula student.
A basic description of each dynamic parameter is included in appendix a. Solidworks sae design project teaches students how to use solidworks software to help design a vehicle for the formula sa. The vehicle ride height and pitch angle were adjusted to match the specifications used in the wind tunnel. It provides a stable platform from which to control the vehicle. The suspension on a vehicle serves multiple purposes. Design of suspension system for formula student race car core. Im also doing an fea simulation but i can do this with the college cad software.
Therefore, the papers prime focus is to design and optimize a formula sae fsae frame via the construction of stable suspension geometry. Design of a suspension system and determining suspension. There are 10 key factors to be considered when designing a suspension system, whether its for a single seater or sports prototype, and part of the skill of the designer lies in reconciling the conflicts between them. This design overcomes the major issue of most of the formula student. Because internet explorers maximum url length is shorter than other browsers, your project cannot be saved properly in this browser. Therefore, the papers prime focus is to design and optimize a formula sae fsae. The best software for students in formula sae and formula student. Suspension geometry for fsae, baja, supra racing teams. Antipitch is the name given to a suspension geometry, front and rear that prevents pitch under braking. Susprog3d is the premier kinematic suspension design and analysis tool. Aarms, bell crank, pushrod, ansys, spring and dampers 1. Design, analysis and simulation of double wishbone. Formula student car design process from concept to success, step by. The front and rear suspension systems of the vehicle were developed using.
My attitude to suspension geometry is pragmatic, and, in the absence of the requisite tools, fairly untrammelled by science. Suspension geometry an overview sciencedirect topics. Optimum suspension geometry for a formula sae car pdxscholar. Factor of safety for each link has been calculated by using the forces obtained by unit.
Starting with the data obtained via strain gauges at the suspension arms, the team has developed a methodology of. Pdf design of suspension system for formula student race car. Optimize various parameters such as suspension stiffness or location of center of. 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.
Lister storm lmp designer reveals his trade secrets for suspension design. Design of a tubular steel space framefor a formula student race car a. These parameters are intended to describe a racing package similar to dartmouth formula racings 2006 fsae car. How much thought goes into your suspension geometry. The primary software used is optimum kinematics, a geomet ric modeling software that specializes in automo tive suspension design 10. Vsusp no longer supports any version of internet explorer. Decide all pickup points of the suspension to provide the desired kinematic. Revealing suspension geometry design methods in unique detail, john dixon shows how suspension properties such as bump steer. Design and optimization of an fsae frame, suspension, and.
Design analysis of formula student race car suspension. Solidworks sae design project teaches students how to use solidworks software to help design a vehicle for the formula sae competition. Its not that i believe suspension geometry is irrelevant far from it, i think its very important but design is about best use of available resources, whether money, time, material, manufacturing techniques. Hi, im working on the suspension for a formula student team. The paper aims to the study of static and dynamic parameter of suspension system of a formula style car f3 grade by mathematical calculations. The 2002 lawrence technological universities formula. Design of suspension system for formula student race car. Following the great community spirit within formula student, erin and the. From telemetry data to suspension modeling video matlab. Front view suspension geometry calculatorsimulator. For windows 7, 8 and 10 with opengl see the faq for more details faq for more details. The car uses a lot of parts from an old vw beetle which puts a limit on how good the vehicle dynamics may be in much the same way that a.
Formula student india race car max optimized 3d model ige. Some of the issues a team faces when designing for fsg. Suspension design, formula student, race car suspension, lotus suspension analysis, vehicle. Our suspension geometry was a huge project with design spanning the better part of august to february or more add some summer sessions, late tweaking well into march april. They have formula sae cars and course already modeled into the software. Elias schmidek of elefantracing, the formula student team of the university bayreuth, introduces you to working with suspension telemetry data to improve car performance. Formula student india race car max optimized 3d model, available formats ige, ready for 3d animation and other 3d projects. Also analysis has been done on simulation software. This article deals with design of formula sae suspension by considering various loads and their simulation on each component of the system. The work also provides an insight into the design of. For the amateur car designer, there are many tools available today that make designing a car easier. Encapsulated spherical bearings on wishbones no rod ends in bending.
Suspension plays a major role during race car racing. Mostly fsae teams have double wishbone pushrodpullrod suspension system. It provides a way to isolate the chassis and driver from the shocking jolts that the tires experience going over anything but a glasssmooth surface. Design of a suspension system for a formula student race car by. F1 suspension geometry henry february 11, 2016 at 3. This thesis work is written in such a way that it can be used as a guidebook when designing the suspension and steering geometries of future formula student projects at kth. Further this process can be followed for designing suspension system for any kind of vehicles.
First of all u have to decide which suspension system u are going to have on your formula car. This paper will cover the suspension geometry and its components, which include the control arm, uprights, spindles, hubs, and pullrods. As a track enthusiast with 9 years under my belt, toe out at the front wheels has always helped cornering ability. Theyll explain their success story and why simulation was key to their success. Redesign of an fsae race cars steering and suspension. F1 suspension geometry 12 replies ive talked a lot about the aerodynamic and power unit components of a formula 1 car on this blog, but rarely touched on the raw mechanical systems that are also critical to performance. Introduction to formula sae suspension and frame design edmund f. Help best software for suspension geometry for mac. Dec 10, 2016 first of all u have to decide which suspension system u are going to have on your formula car. The suspension geometry pink the springdamper system blue. For example, 15 years ago, the frame would take months to build as each tube was individually cut and fit to each other in. Competing teams spend one year designing, building, and testing their cars.
Formula sae is a student project that involves a complete design and fabrication of an open wheel formulastyle racecar. Formula sae is a student project that involves a complete design and fabrication of an open wheel formula style racecar. After analysis and optimization of the geometry the entire system is designed in solidworks. Car design tools for chassis, suspension, aerodynamics.
It started with optimization of the track and wheelbase based on previous autox courses at michigan. Took days to design this car in full engineered way. This suspension type is easy to design and meets all demands. Nov 02, 2016 in this episode, i summarize the design of the suspension. How to find or calculate suspension points in fsae chassis. Design and optimization of the steering system of a. The suspension of the car from 2016 also had several issues that needed to be addressed. Design of a formula student race car spring, damper and antiroll bar system by keiran anthony stigant xe337 group project supervisor. The best software for students in formula sae and formula student the lure of building a race car that can accelerate from 060mph in less than 4 seconds, and turn corners at 1. Mar 02, 2016 dissertation design of a formula student race car spring, damper and antiroll system 1. Todays guest bloggers are erin, matt, kattly, greg, and andrew of the mcgill formula electric team at mcgill university in montreal, canada.
The suspension system is a device connecting the body with wheels. The university of idaho vandal race team has a proud tradition of success in the formula sae student design competition in fontana. Therefore, the papers prime focus is to design and optimize a formula sae. Formula student is a project for technical students to design, build, test, and race a single seated for. Generally, in race a car, double wishbone suspension with either pullrod or pushrod is used owing to.
Adams car software allows students to design and simulate their fsae vehicles to maximize their vehicle performance. The suspension system is one of the main systems to be considered while designing any formula student vehicle. This involves placing the force application points g and h on the centre of gravity. Suspension geometry used to determine the basic suspension geometry before applying the suspension pickup points to a 3d solid model or 2d cad chassisframe kinematics vehicle dynamics simulation using a 3d solid model with defined suspension pivot point and mass distribution, simulate the expected motion of the car in various tests, such as over bumps, around corners. Pressing the edit button immediately switches to edit mode listing more details about the dimensions of the model and allowing you to alter the model by dragging any of the tether points. Formula sae and formula student are collegiate engineering competitions with over 500 participating schools that challenge teams of students to design and build a formula style car. As before, this produces greatly increased jacking, and most designers would find this too disadvantageous. Redesign of an fsae race cars steering and suspension system. The software chosen was lotus shark suspension analyzer due to its ease of use and accurate results. Design and optimization of the steering system of a formula. One thing that has changed quite a bit is the use of digital design software like computeraided design cad, finite element analysis fea, and computational fluid dynamics cfd.
Teams of engineering students design, build, and race small singleseat. From creating an accurate model of the car and every nut and bolt in it in 3d, to the design and simulation of critical aspects such as the chassis and suspension, software programs have become commonplace to amateur car design. To help with this process, multiple programs and methods will be used. The best software for students in formula sae and formula. 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. Employing research and designs from previous years cars, the suspension will be designed using the iterative design process. The university of birmingham formula student team ubracing competes in the. Formula student vehicle analysis by means of simulation. The chassis movement control allows you to raise and lower the chassis and also rotate the chassis by moving the mouse or your finger side to side. Many formula student cars as in 9, 10, 11 also use either pushrod or pullrod suspension in both front and rear. Msc software sponsorship for the 20102011 competition year was utilized for suspension development with the goal to determine the performance impact of a nontraditional suspension design. There may be significant differences in dynamic tuning parameters for different fsae packages. The suspension geometry, chassis structural members are entirely custommade.