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Hand-selected by racing engineer legend Carroll Smith, the 28 SAE Technical Papers in this book focus on the chassis and suspension design of pure racing cars, an area that has traditionally been - farmed out - to independent designers or firms since the early 1970s. Smith believed that any discussion of vehicle dynamics must begin with a basic understanding of the pneumatic tire, the focus of the first chapter. The racing tire connects the racing car to the track surface by only the footprints of its four tires. Through the tires, the driver receives most of the sensory information needed to maintain or regain control of the race car at high force levels. The second chapter, focusing on suspension design, is an introduction to this complex and fascinating subject. Topics covered include chassis stiffness and flexibility, suspension tuning on the cornering of a Winston Cup race car, suspension kinematics, and vehicle dynamics of road racing cars. Chapter 3 addresses the design of the racing chassis design and how aerodynamics affect the chassis, and the final chapter on materials brings out the fact that the modern racing car utilizes carbon construction to the maximum extent allowed by regulations. These technical papers, written between 1971 and 2003, offer what Smith believed to be the best and most practical nuggets of racing chassis and suspension design information.
The chassis design of a racecar is fundamental to unlocking the maximum vehicle performance by supporting the applied external loads with a low-mass, high-stiffness structure. Thus far, MIT's Formula SAE team has developed and utilized welded steel tube chassis designs for their racecars due to their relative simplicity and economy. By taking advantage of the directional stiffness of anisotropic carbon fiber materials, a monocoque design offers a stiffer structure with similar or lower total mass resulting in a high specific stiffness design that out-performs conventional welded designs. This thesis provides a detailed background on chassis design and the necessary design requirements to meet performance targets and competition regulations. Composite laminate designs are proposed and then integrated into a full-chassis structural design that is then analyzed for torsional stiffness in the ANSYS FEM package. Finally, potted insert design and avenues for future development are considered.
The Aim of this project is to design a frame and a cover for a prototype Formula Student car. Following the championship rules, all the parameters that influence on the design will be controlled trying to get the lighter, toughness and economic car design, but keeping an eye on the execution time. It is necessary to know when it is possible to validate the design of a frame. Then it is very interesting to know the criteria that the car designers use on different competitions. Knowing the aim to achieve, choosing a suitable design tool is very important. The tool chosen will be the Finite Elements Theory. We will use design software, Solid Works. It is a very useful tool because let us to design and check the designs. Currently there is no a specific rules or regulations for a tubular frame design. While for the building construction we can find a lot of regulations, designing the frame that we are studying there is only specific competitions that give preliminary ways of design, just to guarantee minimums of safety. In our case we will follow the FORMULA SAE rules.
This textbook covers handling and performance of both road and race cars. Mathematical models of vehicles are developed always paying attention to state the relevant assumptions and to provide explanations for each step. This innovative approach provides a deep, yet simple, analysis of the dynamics of vehicles. The reader will soon achieve a clear understanding of the subject, which will be of great help both in dealing with the challenges of designing and testing new vehicles and in tackling new research topics. The book deals with several relevant topics in vehicle dynamics that are not discussed elsewhere and this new edition includes thoroughly revised chapters, with new developments, and many worked exercises. Praise for the previous edition: Great book! It has changed drastically our approach on many topics. We are now using part of its theory on a daily basis to constantly improve ride and handling performances. --- Antonino Pizzuto, Head of Chassis Development Group at Hyundai Motor Europe Technical Center Astonishingly good! Everything is described in a very compelling and complete way. Some parts use a different approach than other books. --- Andrea Quintarelli, Automotive Engineer
Hand-selected by racing engineer legend Carroll Smith, the 28 SAE Technical Papers in this book focus on the chassis and suspension design of pure racing cars, an area that has traditionally been - farmed out - to independent designers or firms since the early 1970s. Smith believed that any discussion of vehicle dynamics must begin with a basic understanding of the pneumatic tire, the focus of the first chapter. The racing tire connects the racing car to the track surface by only the footprints of its four tires. Through the tires, the driver receives most of the sensory information needed to maintain or regain control of the race car at high force levels. The second chapter, focusing on suspension design, is an introduction to this complex and fascinating subject. Topics covered include chassis stiffness and flexibility, suspension tuning on the cornering of a Winston Cup race car, suspension kinematics, and vehicle dynamics of road racing cars. Chapter 3 addresses the design of the racing chassis design and how aerodynamics affect the chassis, and the final chapter on materials brings out the fact that the modern racing car utilizes carbon construction to the maximum extent allowed by regulations. These technical papers, written between 1971 and 2003, offer what Smith believed to be the best and most practical nuggets of racing chassis and suspension design information.