Motorcycle shocks as well as the suspension element of forks can be divided into two basic components. Author gaetano cocco begins by examining how things like friction, lean angles, centrifugal force, suspension loads, and other environmental forces influence motorcycle design. Important properties such as antidive values and percentages are. Fundamentals of autosim autosim 15 is a language used to derive the equations of motion of general multibody systems and. A motorcycle suspension system is such a system that absorbs the bumps and suspense for giving the comfort of riders by absorbing the vibrations. An appointmentonly reservation system is being implemented for certain necessary. On this web page youll find offroad suspension design. It is the prime source for the book motorcycle handling and chassis design by tony foale and software packages for motorcycle suspension setup and. Very nice book to understand the dynamics of a motorcycle. Ffe software or front suspension software can analyse the kinematics of most types of alternative motorcycle front suspension. Trending price is based on prices over last 90 days. Initially the yamaha version was designed for motocross to extend wheel movement, and this led to a wide variety of alternative rear suspension systems by. There will be different terms that mean essentially the same thing, but suspension design is suspension design, and.
This book explains how select and integrate the engine into a car as well as the design of the other aspects such as chassis, powertrain, brakes, fuel, coolant and electrics. Suspension is probably the most misunderstood aspect of motorcycle performance. The objective of this study is to design and develop a proper geometry of rear suspension system for mountain bike, and to study the motion mechanisms of rear suspension system. Motorcycle rear suspension worcester polytechnic institute. Design layout 17 case study measurement main frame engine mounting results material swing arm forks caution tuning 18 future developments the status quo future possibilities active suspension rheological fluids two wheel drive 2wd two wheel steering 2ws feetforward motorcycles. Jun 30, 2009 motorcycle suspension systems can be very complex, and involve numerous variables such as wheelbase, weight, ride height, tire size, suspension sag, and engine placement, in addition to rake and.
Figure 25 design of a motorcycle suspension system with trailing links jarman 33 figure 26 kinetic motorcycle suspension kit installed on frame with two. Paul thede is widely considered the ultimate motorcycle suspension guru. This book explains how select and integrate the engine into a car as well as the design of the other aspects such as chassis, powertrain. Race techs motorcycle suspension bible by paul thede, lee. This book, by suspension guru paul thede, and bestselling author lee parks. An in depth discussion of any one aspect could literally fill an entire book look to the motorcycle world if you want to find good reading on suspension design. The book provides stepbystep photos of suspension disassembly and assembly as well as detailed troubleshooting guides for dirt, street, and supermotopromising a solution to almost any handling problem. Although not winged, aerodynamics still play a significant role in racing where the engine power is close, and so books on aero design. The advance design era 19471955 has been overlooked for long enough and deve krehbiel, a wellknown restoration expert from who specializes in these trucks, puts his 40 years of experience restoring nothing but advance design. Motorcycle chassis design the theory and practice by foale and willoughby is a disappointment. Get the best deals on complete motorcycle suspension units when you shop the largest online selection at. How to build motorcycleengined racing cars build your. Oct 30, 2003 well, this is not going to be much of an answer, but its about the only piece of information i could find. Try out these fantastic titles without spending a dime.
Motorcycle setup software motochassis by tony foale. The spring whose simplified function is to carry the load as. Optimal design of motorcycle rear suspension systems using. Motorcycle dynamics, 2nd edition after reading numerous books about motorcycling, authored by keith code, lee parks, david hough, and nick ienatsch, i came across motorcycle. Oct 04, 2017 modelling various geometry of motorcycle suspension front and rear. Ff appendices a1 experiments with rake and trail rake traii. This book, by americaas premier suspension specialist, makes the art and science of suspension tuning accessible to professional and backyard motorcycle mechanics alike. In gaetano cocco book, motorcycle design and technology all suspension designs are considered and discussed. Ive been looking for books both on motorcycle and bicycle suspension but its been pretty hard and ive come up dry on most of the searchs ive tried.
One of the earliest types of motorcycle front suspension, the girder fork consists of a pair of uprights attached to the triple clamp by linkages with a spring usually between the top and bottom triple clamps. Jun 14, 20 a brief study on motorcycle suspension system. Chassis engineering is a great introduction to race car design. Paul thede is highly respected in the motorcycle industry. Motochassis is for those interested in motorcycle handling and chassis. Enginedevelopment moved rapidly ahead of chassis, suspension, and. Optimal design of motorcycle rear suspension systems using genetic algorithms. Design and analysis of suspension system for an all terrain vehicle shijil p, albin vargheese, aswin devasia, christin joseph, josin jacob abstract in this paper our work was to study the static and dynamic parameter of the suspension system of an atv by determining and analyzing the dynamics of the vehicle when driving on an off road racetrack. Visit the rmvs online service center for over 40 transactions that can be completed online and skip the trip to the rmv. Initially the yamaha version was designed for motocross to extend wheel movement, and this led to a wide variety of alternative rear suspension.
Motorcycle handling and chassis design the art and. Other good books to consider would be chassis suspension design, motorcycle engine powered race car design, metal and composites fabrication and fastenersmetallurgy. Since i started working on alternative motorcycle front suspension systems in the early. It is the prime source for the book motorcycle handling and chassis design by tony foale and software packages for motorcycle suspension. Next in the equation 1, there is the air resistance, whose main component is a quadratic velocity vr, an input. Since i started working on alternative motorcycle front suspension systems in. Exactly the same way as you would design a cars suspension system. Jun 19, 2010 paul thede is widely considered the ultimate motorcycle suspension guru. Next in the equation 1, there is the air resistance, whose main component is a quadratic velocity vr, an input factor of driving. Best car chassis, suspension, aerodynamics design books. Lister storm lmp designer reveals his trade secrets for suspension design. In a practical and downtoearth way, it covers the fundamentals of how race cars handle and the requirements for designing and constructing a car. Sep 05, 2016 exactly the same way as you would design a cars suspension system. A brief study on motorcycle suspension system bikebd.
Understanding the latest motorcycle fork design, its strengths and weaknesses, and demanding changes. This book wont tell you how to fabricate a motorcycle frame and suspension, but it will tell you why some geometries work and why others do not in a given. Ride and handling of baja buggies book, and all of them are completely totally free. Complete motorcycle suspension units for sale ebay. Defining the acoustic profile and influencing the powerband exhaust design is a more dynamic. 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. Articles and illustrations on motorcycles and racing in general. The book includes chapters on chassis design, suspension design, frame construction, aerodynamics and tuning.
The engineering process focuses on the interdisciplinary fields of engineering dealing with design and structural optimization. The objective of this study is to design and develop a proper geometry of rear suspension system for mountain bike, and to study the motion mechanisms of rear suspension. I guess the take away point is really that there are a ton of variables at play when it comes to talking about rear suspension. Are there any books exclusively for automotive suspension. Other fork designs are girder forks, suspended on sprung parallel links not common since the. Motorcycle rear suspension a major qualifying project report submitted to the faculty of worcester polytechnic institute in partial fulfilment of the requirements for the degree of.
I bought this book, motorcycle chassis design the theory and practice by foale and willoughby, as a stopgap thing while i wait for the book that supersedes this one, thinking this one would have most of the useful info. Air suspension design book, focusing on suspension theory and shockairbag theory, geared towards the doityourselfer. A variation on the radius arm suspension is the parallel fourlink, shown in the figure above. Design of motorcyle active chassis geometry change system 282 geometry. Having read this book, i feel i have the knowledge to approach the design of a motorcycle chassissuspension package with confidence that it will perform better. In general, the design of the front and rear suspension of a car will be different. With the help of this book, you will be able to competently and confidently complete a standard fourwheel disc brake job for less than half the cost of a local dealership, paying for this book many times over the very first time you use it. Understanding motorcycle rake and trail and suspension. Pdf optimum suspension design for motorcycle braking. Seven myths about motorcycle suspension motorbike writer.
The only reasons given for the change between fullfloat and n. The basics of motorcycle suspension high performance. Pdf optimal design of motorcycle rear suspension systems. This allows us to quickly see the effects of changes to suspension components such as the triangle rocker size, dogbone lengths. Aug 11, 2017 thanks for a2a, few of which come to my mind right now are motorcycle handling and chassis design by tony foale which is a very very good book if you want to understand the intricacies for motorcycle design, my most read so far. Other fork designs are girder forks, suspended on sprung parallel links not common since the 1940s and bottom leading link designs, not common since the 1960s. He is the owner and chief engineer of race tech, the largest motorcycle suspension modifier in the world. A leader in our industry, we know youll be satisfied with your suspension when you buy from us. Ive been pretty interested in suspension design for a while and now i really want to get into the nitty gritty of it. The guide to legal car modifications in massachusetts. Aftermarket manufacturers make kits that retrofit an existing radius arm suspension to a parallel fourlink design. A motorcycle model for stability and control analysis. This report discuss about the design and development of mountain bike rear suspension for allmountain riding style.
Motorcycle handlingand chassis design the art and science tony foale. How to build motorcycleengined racing cars build your own. Independent suspension chassis design principles and analysis. Motochassis introduction motochassis by tony foale. Race techs motorcycle suspension bible provides a clear understanding of the most misunderstood aspect of motorcycle performance.
Vehicles with a gvwr under 10,000 have a 2inch suspension lift limit. Motorcycle design and technology handbook motorbooks. 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. Although they may look like simple components, the motorbike fork plays a critical role in the overall dynamic behaviour of motorcycles. Race techs motorcycle suspension bible motorbooks workshop. The only reasons given for the change between fullfloat and not were. Suspension is the component that allows the wheels to move up and over its impeding obstacle, and it also strives to eliminate traction loss and the transfer of. The modern era in suspension design was initiated when yamaha announced their cantilever system, and employed just one suspension unit monoshock. I think only book in the world for understanding motorcycle. The most common form of front suspension for a modern motorcycle is the telescopic fork. Motorcycle handling and chassis design is written at a level to be comprehensible to the average reader but it is also sufficiently detailed to be of interest to students and engineers alike. Figure 21 dualspring motorcycle suspension system design. The design reached a peak in the girdraulics used on the vincent motorcycle.
The engineering process for the design of a motorcycle. A performance exhaust system is a characterizing element for any internal combustion conveyance. There are lots of free articles on his website and these prompted me to buy his book many years. Motorcycle design and technology takes the rider under the sleek surfaces of the modern motorcycle to provides detailed answers to these questions and numerous others.
Race techs motorcycle suspension bible lee parks design. How to design spring suspension system in bikes with. Motorcycle dynamics, 2nd edition after reading numerous books about motorcycling, authored by keith code, lee parks, david hough, and nick ienatsch, i came across motorcycle dynamics written by vittore cossalter an italian professor of applied mechanics. Parks also runs lee parks design, which offers motorcycle gloves. As far as i can tell, it covers everything youd ever want to know about motorcycle suspension theory, design, parts and rebuilding. We offer motorcycle suspension components from progressive suspension, legend, works shocks, burly brand, arlen ness. This book wont tell you how to fabricate a motorcycle frame and suspension. Race techs motorcycle suspension bible paul thede, lee. The thesis objective is to define and establish an engineering process for the design of a modern motorcycle chassis and suspension. He seems to have been working on making bikes handle since before most of us were born. Design of motorcyle active chassis geometry change system 280 straightahead driving or pitch is determined especially by ratio of chassis dimensions, construction and an overall steering geometry. Some of thepractices and designs outlined in this book may be dangerous. In a bid competition, the contract is awarded to the qualified bidder who meets the. Shimmy dynamics and its cures centerpoint steering kingpin in the wheel plane draglink springs shimmy shackle compensated tie rods independent suspension.
Design and manufacture of an adaptive suspension system. Yet an astonishingly small percentage of riders ever touch any of the knobs, screws, valves or nuts that adjust the suspension of their motorcycles. 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. It is the prime source for the book motorcycle handling and chassis design by tony foale and software packages for motorcycle suspension setup and analysis. Motorbike suspensions modern design and optimisation dario. He is the owner and chief engineer of race tech inc, he has. The guide to legal car modifications in massachusetts by valerie johnston on april 26, 2016 schedule brake pad replacement.
The book provides stepbystep photos of suspension disassembly and assembly as well as detailed troubleshooting for dirt, street, and supermoto promising a solution. There will be different terms that mean essentially the same thing, but suspension design is suspension design, and if you start from the basic mechanics equations, there are no d. Dec 12, 2016 understanding the latest motorcycle fork design, its strengths and weaknesses, and demanding changes. How to design and construct a motorcycle engine powered race car. Motorcycle handling and chassis design the art and science. Feb 26, 2017 motorcycle handling and chassis design by tony foale tony is in my opinion a legend in the field of chassis design. Comprehending how suspension works has been described as a black art, but the basic principles are actually fairly easy to understand. Specialized software, such as motorcycle kinematics, matlab, catia, heeds professional, and nastran are utilized.