Our weight transfer worksheet is explained in detail. 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. 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. For the best selection of front suspension and race car suspension parts look no further than jerry bickel race cars. Easily and effectively create vehicle suspension designs, that can be used to help make design decisions at the initial concept stage up to and. The plus version lets you include 8 types of rear suspensions on your car. Drawing templates, 3d cad, fea, cfd, suspension geometry. This paper aims at introducing the development of a new. This system is meant to combat the negative affects of bumps on a road. This program is provided free of charge for personal use in the assisting of suspension calculations. Of course, since the title is about suspension disign, thats pretty much the whole book.
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. All types of tech info on racecar engines, chassis and suspension setup for road. Ease for the driver at 1 it must have shock absorbers. A good design of the main parameters, in terms of static and dynamic angles in bump and steer, is the basis of a successful racecar quite often. There is no comparison to any other 4link software. In order to understand the complexity of a formula cars suspension, a basic knowledge of the stock car suspension should first be mastered. Scott is here to help with your project designs with solidworks, or shock tuning and service, or suspension designing for your race car. Yes, the graphs dont work in internet explorer download firefox already, all four of you who still use ie. In the racecar design process the definition of suspension type and geometry is an important stage. Race car suspension setup faster lap times through better suspension tuning and development see our new web site on suspension set up. Simplified vertical, roll, cornering, traction and braking loads are applied to the suspension system and the response of the system to each is recorded. Typical rear suspension screen, here analyzing an angled 4 link rear suspension and driveshaft movement and u joint angles. Stop guessing and start winning learn the facts of front suspension geometry with this informative cdrom computer software.
Chassis master is easy to set up and calculates all possible ic locations, rise, squat, corner weights, center of gravity and even automatically adjust to changes in ride height or tire size. Some software includes kinematic capabilities that simulate vehicle dynamics using the designed suspension. The classis 60s sports and racing car rear suspension. Now you can get all the racewise chassis school material in an easytouse software program for your home computer. Chassis master software leading drag racing chassis. This is a webbased version slightly simplified of the excel spreadsheet i designed and used to work out all the various calculations needed to properly set up the car. Weve got the most unique online racing graphics designer on the net. We can reduce understeer and oversteer characteristics with the adjustments of antiroll bar sway bars, bump and rebound, ride height, spring rates, corner and static weights. Easy and effective virtual prototyping of vehicle suspensions. This project is being built into a prerunner that will eventually be able to hit whoops at.
The chassis movement control allows you to raise and lower the chassis and also rotate the chassis by. When a car is moving and encounters a bump, that bump spends energy by transferring some of the cars forward force to upward force. 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. We have the ability to gather the geometry from your car and do a complete analysis or perform analysis of a local area such as a wing or suspension system. A good suspension system is key in any type of automobile, but especially in offroad applications. Although primitive by modernday standards, the first car suspensions were designed to do the same thing by the same device. Autoware autoware inc front suspension geometry software. The strong challenge chassis is complemented by an outstanding and proven suspension and the ability to use a wide array of excellent brake packages. Let me preface this with saying im interested specifically in chassissuspension design so my comments are limited to that portion of the book.
Turn your next project into reality with engineering design and technology. If you want to use this calculator ad free, enable unlimited private models, enable more reporting options and work offline using the android or ipad apps, please subscribe using paypal button. Winning chassis design and setup for circle track and road race cars. Suspension travel and spring stiffness, are totally interdependent. See all 15 photos roll center calculatorthis is a simple. Complete graphs and reports are included, and several new. Race car suspension setup smithees race car technologies. Here are the software programs that are most appropriatefor the circle track racer. For the amateur car designer, there are many tools available today that make designing a car easier. Try race car engineering and dynamics by van valkenburg as well. The majority of our work has been in the drag racing industry but simulation covers all racing industries in particular aerodynamic cfd work. Staniforths competition car suspension also has some good info, although sorting. This page is dedicated to gather relevant information on the race car design process. Race car design resources race car design software related associations technical training wind tunnels some related pages on.
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. Front suspension race car suspension jerry bickel race. Pdf 20020346 development of a new software for racecar. Not have sufficient suspension travel or free movement suspension must have no binding. Autowares racing and performance tech site software for auto racing and high performance cars data acquisition systems new and used engineering services and live seminars on performance and racing technology all types of tech info on racecar engines, chassis and suspension setup for road. Redesign of an fsae race cars steering and suspension system. Whether taking a vehicle through a slow crawl over rocks where wheel travel and articulation is very important, or through the whoops which was our case with project storm trooper.
Of course, with automobile racing came the need for suspension design and redesign, and eventually, certain truths were applied to a racing chassis. Autocross to win dgs autocross secrets dynamics calculator. Once you have both the front and rear suspensions defined, and some basic vehicle info, the software can now make some handling predictions. It provides a stable platform from which to control the vehicle. Jerry bickel race cars gives racers the technology to win. Winning chassis design and setup for circle track and road race cars bolles, bob on. Racewise rwfront front suspension geometry software. The factory five mk4 frame is computer designed on solidworks software using hewlett packard workstations. How to analyse the competition in order to identify goals. Design of suspension system for formula student race car.
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 windows 7, 8 and 10 with opengl see the faq for more details faq for more details. 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. Rear suspension screen lets you describe 8 different types of rear suspensions.
Rear suspension geometry this is a software package that addressesthreelink suspensions and late model fourlink floaterstyle rearsuspensions. We also offer specialized tools for shocks and springs, as well as books and software aimed at helping you perfect the art of chassis tuning and general race car setup. Software for suspension design automotive suspension. Fastway formula student formula sae racing car design cad model. Bottom line, suspension kinetic and kinematic design exist to control the distribution of load through the 4 wheels, minimize load variation, and control the wheels position in 5 degrees of freedom. No part of the program or code shall be reproduced for commercial use.
Both are really good, with the latter being very, very useful for designing your own racesports car suspension. Suspension design services apex your future with scott. Upper lateral link, lower parallel links, twin trailing link rear a variation of the reversed lower aarm style. Very latest technical knowhow on suspension set up and testing for racing and performance road cars. You can get a long way without knowing specific tire data, and design a suspension that wont screw ya, and is going to be tunable enough to get.
Racewise provides the technical understanding of suspension and tire performance that racers must have in order to. The design of a race car is one of the most demanding aspects of motorsport engineering in terms of cost and time. Software for auto racing and high performance cars. Smitty describes the principles of suspension design. Race car design rcd your race engineering resource.
Drag racing formula 1 racing indy car racing land speed record racing nostalgia drag racing race car insurance race tracks safety equipment speed equipment directory sports racing cars sprint car racing. The suspension on a vehicle serves multiple purposes. When designing a front suspension, geometry layout is critical. High performance irs is an available suspension option. Links may be made to the site, but the product may not be redistributed in any way other than by direct download from. Car engineers are able to take advantage of a springs unique qualities in a cars suspension system. A variation on the radius arm suspension is the parallel fourlink, shown in the figure above. Design and optimization of formula sae suspension system. The onestop package of comprehensive fea and allround design capability make it an ideal tool for the race team to be used to develop components of the race car and thus the chassis. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. 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. We ship your design directly to you and you apply it to your car, vehicle, or trailer youself.
The upright or knuckle attaches the wheel, brake rotor, hub, brake caliper and steering arm to the vehicle as shown in diagram ku1 below. This is the fifth in the video series developed for ucis racecar engineering program. Susprog3d is the premier kinematic suspension design and analysis tool. I used an older version of this software to design my formula sae cars suspension.
Circle track racing software classic muscle cars, custom. Development of a new software for racecar suspension. The best software for students in formula sae and formula student. Aftermarket manufacturers make kits that retrofit an existing radius arm suspension to a parallel fourlink design and use coil springs and a track bar to center the axle. Redesign of an fsae race cars steering and suspension. Suspension design and engineering is an extremely challenging endeavor. Car design tools for chassis, suspension, aerodynamics. In this section youll find corner weight scales and alignment equipment from some of the most respected manufacturers in the business, including intercomp, longacre, dunlop, art, and smart. In the meantime, vehicle subsystems like steering, suspension, drive train. The suspension design process is an important point in.
The factory five 3link suspension is our most optimized race suspension and is standard on the challenge car frame. Lister storm lmp designer reveals his trade secrets for suspension design. Over the years weve found what works best in the real world of racing. We provide you with the online tools to create your own decals and vinyl wraps. Free tools and software for race car, sports car and offroad vehicle design. Simscales fea and cfd software offers the perfect soultion for formula. Susprog3d is a complete 3d software package for the design, setup, evaluation and visualization of race and road car suspension systems now with support for 30 different suspension types.
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