Many formula student cars as in 9, 10, 11 also use either pushrod or pullrod suspension in both front and rear. This will allow testing of the two different design approaches for a more. Design, analysis, and verification of an openwheeled formulastyle race car suspension system. Suspension plays a major role during race car racing. 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. The formula car represents the university of michigan and our sponsors in multiple competitions and publications. In july of 2004 kth racing will attend at the formula student event in england. 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. How race car front suspension works formula e explained.
To keep things simple here, well say that almost all formula one cars. In january of 2004 the formula student project started at kth involving over seventy students. Formula suspension designs and manufactures the best comfort shock absorbers, readystruts and 4x4 lift kits all sold affordable price. Pedal cars race cars bmw e36 kart cross homemade go kart motorcross bike e36 coupe go kart plans racing car design marek gorczyk samochody drift kart, f1 video, diy electric car, homemade go kart, go kart plans, racing car design, polaris slingshot, recumbent bicycle, reverse trike. Specific differences between the t200 and t202t204 are as follows. Candidate for bachelor of science and renee crown university honors spring 2017. The upright or knuckle attaches the wheel, brake rotor, hub, brake caliper and steering arm to the vehicle as shown in diagram ku1 below. The aim of this thesis work is to design the suspension and steering geometry for the race car being. The pitch inertia is typically high in relation to the mass and wheelbase, which leads to pronounced pitching. The concept of optimization for design validation is elaborated in this paper. Design and manufacture of an adaptive suspension system. Design of suspension system for formula student race car. Design, analysis, and verification of an openwheeled. Design of formula sae suspension components 20020308 this paper is an introduction to the design of suspension components for a formula sae car.
Intrigue over formula 1 suspension systems pioneered by mercedes is nothing new, but the latest row over what is allowed can be traced back to the abu dhabi grand prix. This paper will cover the suspension geometry and its components, which include the control arm, uprights, spindles, hubs, and pullrods. Formula student event is a competition between schools that has built their own formula style race cars according to the formula sae rules. A thorough analysis of 2004 usq racer car has been included in order to. The suspension set up on a formula ford comprises of independent front and rear suspension, which is push rod operated with a bell crank to the spring and damper. 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. For racing applications, an oversteering vehicle is desired 6. F1 suspension geometry henry february 11, 2016 at 3. Formula sae is a student project that involves a complete design and fabrication of an open wheel formula style racecar.
The geometry of the design for the dsk formula car front suspension kit utilized current formula ford geometry for camber change with roll. It is inexpensive to manufacture and relatively easy to repair when damaged. The earliest space frame designs for racing cars were developed by cooper, mercedes benz in 1954 for its worldbeating w196 f1 car. The last customer requirement is that the wheel design is aesthetically pleasing. Volume 1 suspension optimization of student formula race car. Pedal cars race cars bmw e36 kart cross homemade go kart motorcross bike e36 coupe go kart plans racing car design. The rear suspension of a reynard 84f showed a new level of sophistication that formula fords were adopting in the mid1980s. Side view parameters for longitudinal load transfer calculations. Formula suspensions has a complete 4x4, performance and passenger shock absorber product range. 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 2002 lawrence technological universities formula. It consisted solely of a fixed continuous member extending across the entire front end of the vehicle connecting the two steerable wheels.
Formula sae interchangeable independent rear suspension. Formula ford has traditionally been regarded as the first major stepping stone into formula racing after karting. Fundamentally formula vee is a singleseater formula of free design and construction that said there are limits around this. The ride dynamics of wheeled construction machines are affected by a number of particular properties specific to this type of vehicle. Slingshot car polaris slingshot kart cross formula 1 space frame sand rail reverse trike drift trike suspension design canadian modder adds fourth wheel to polaris slingshot, the result is awesome the slingshot is a threewheeled motor vehicle that can only be described. Kurt fischers lola t200 formula ford racecar, number 89. Performance projects is particularly well known for suspension design, having undertaken clean sheet design for formula one, le mans and other leading international 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 formula sae suspension 20020310 formula sae is a student project that involves a complete design and fabrication of an open wheel formulastyle racecar. Steering system and suspension design for 2005 formula. Adjustable pushrod suspension design andrew bayer 5 4 pushrod suspension discussion formula 1 and indy car racing is technologically the most advanced form of racing in the world. How car suspensions work provides detailed information about each of these parts and even includes a section on formula one suspensions.
The upright also locates these components in space. Design and manufacture of an adaptive suspension system a major qualifying project report submitted to the faculty of worcester polytechnic institute this report represents the work of wpi undergraduate students submitted to the faculty as. Formula suspension 4x4 and passenger shock absorbers. Lister storm lmp designer reveals his trade secrets for suspension design. It provides a stable platform from which to control the vehicle. This paper will cover the suspension geometry and its components, which include the. Design and integration of suspension, brake and steering systems for a formula sae race car final report mark holveck 01 rodolphe poussot 00 harris yong 00 submitted to the department of mechanical and aerospace engineering, princeton university in partial fulfillment of the requirements of undergraduate independent work. The tuning of suspensions involves finding the right compromise. The formula team competes with over 100 universities around the globe at the us competition and will also be traveling to compete in europe. Formula sae is a student competition where college students conceive, design, fabricate, and compete with a small formula style open wheel racing car. Formula suspension is proudly owned by fulcrum suspensions. The formula sae series competitions challenge teams of university undergraduate and graduate students to conceive, design, fabricate, develop and compete with small, formula. All references are based on team astra racings 2015 fhsae entry.
Formula sae is a student project that involves a complete design and fabrication of an open wheel formulastyle racecar. The formula ford smalltube space frame chassis is a very basic, simple and well proven type of chassis. The utilisation of certain vw beetle suspension is mandatory. 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. The design of an innovative automotive suspension for formula. Design, analysis, and verification of an openwheeled formula. Go kart buggy rc buggy diy suspension suspension design custom trikes custom cars go kart plans tube chassis diy go kart. Starting out in our suspension set up business, we were especially influenced by the circle track magazine tech articles of 1998 and 1999, and the landmark 4 part series assymetrical race cars written in race car engineering by mark oritz. It is important for the suspension to keep the road. By adjusting the rack height with shim, this suspension could be completely bumpsteered. Design and manufacture of an adaptive suspension system a major qualifying project report submitted to the faculty of worcester polytechnic institute this report represents the work of wpi undergraduate students submitted to the faculty as evidence of completion of a degree requirement. In this episode, i summarize the design of the suspension. The suspension development borland has undertaken has seen important gains over the last few years, though the team has used penske shocks for 20 years. Aug 29, 2017 former mclaren head mechanic marc priestley explains the inner workings of the formula e cars front suspension.
Jun 20, 2017 the suspension set up on a formula ford comprises of independent front and rear suspension, which is push rod operated with a bell crank to the spring and damper. Those components include springs, dampers, arms and antisway bars. This suspension type is easy to design and meets all demands. Formula sae is a student competition where college students conceive, design, fabricate, and compete with a small formulastyle open wheel racing car. Steering system and suspension design for 2005 formula saea. Formula susensions shock abosorbers include superpro and polyelast bushes for increased performance. Former mclaren head mechanic marc priestley explains the inner workings of the formula e cars front suspension. Introduction to formula sae suspension and frame design. Design of suspension system for formula student race car core. This is because the inner wheel now has a decreased radius.
The suspension components covered in this paper include control arms, uprights, spindles, hubs, pullrods, and rockers. Formula ford rear suspension geometry tentenths motorsport. Formula ford known as f1600 and formula f in the united states because of a rule change in 2009 is an entrylevel class of single seater, openwheel formula racing. The front suspension must compromise of the vw axle hbeam of trailing link design, hubs, stub axles and spring pack leaves and the majority of. 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. Pdf design of suspension system for formula student race car. Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. Hand calculations for suspension ride and roll rates. Design of a suspension system for a formula student. Design of a suspension for a formula student race car. According to the requirements of japan student formula race, the race car suspension needs to have the shock.
Formula one suspension and other systems howstuffworks. The suspension of a formula one car has all of the same components as the suspension of a road car. Fsae 2015 chassis and suspension final report fiu department. The goal being, to design and fabricate the formula car for the final event. Suspension formulas where b is the width of spring blade m, l is the distance between the eyes of the spring when laden m, t is the thickness of the blade m, n is the number of blades, and e is the modulus of elasticity, which modified to allow for internal friction is 159 x 10 6 knm 2. Therefore, the same concepts that are currently being used for suspension design.
Design and integration of suspension, brake and steering. As a track enthusiast with 9 years under my belt, toe out at the front wheels has always helped cornering ability. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Design of formula sae suspension 20020310 formula sae is a student project that involves a complete design and fabrication of an open wheel formula style racecar. Suspension systems must support both road holdinghandling and ride quality, which are at odds with each other. At initial condition 0 mm bump travel the value of antisquat is 50%.
The suspension on a vehicle serves multiple purposes. Formula sae interchangeable independent rear suspension design. Founded in 1976 by graham scudamoresmith, he had a passion to create the best suspension solutions with both offroad and onroad capability. The front suspension and the chassis design it was fitted to took ff1600 design to new levels as did the entire db1 concept. 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. Welcome to primus racing parts online source for formula. The 2001 lawrence technological university formula. Formula u chassis and suspension university of utah. A capstone project submitted in partial fulfillment of the requirements of the renee crown university honors program at syracuse university.
Formula ford rear suspension geometry hi all, im in the process of rebuilding an old ff2000 royal rp30 now that its almost done im starting to think about setting it up and one thing that im not too sure about is one part of the rear suspension geometry, and that is the two almost parallel trailing arms from just in front of the engine to. This paper sets down a basic guideline on designing almost any type of formula sae race car suspension. Design analysis of formula student race car suspension system. Final thesis formula student suspension and steering design final thesis formula student suspension and steering design. Just like antidive in the front suspension, there can be antilift in the rear suspension that reduces rebound travel under braking. For a torsion bar, the spring rate is given as the twisting moment per angular deflection.
It is also required that this new rear suspension design be interchangeable with the solid rear axle design. Key parameters in the design of these suspension components are safety, durability and weight. Suspension design for offroad construction machines. The results of spring calculations were used to design and optimize the suspensions of student formula car. Formula suspension is proudly developed and owned by fulcrum suspensions. With only modest alterations the lola formula ford model was continued in 1971 as the t202 and then in 1972 as the t204. Dsk technical bulletins formula car front suspension page 1. Thus formula was born, formula has suspension systems for your 4x4 4wd and performance vehicle. Introduction to formula sae suspension and frame design edmund f. The various championships held across the world form an important step for many prospective formula one drivers. Steering system and suspension design for 2005 formula sae. Formula 1s latest suspension row explained f1 autosport.