26 jun. Kart cross sidewinder. 1. O PROJETO. Todo o projeto esta muito bem explicado em plantas muito claras e explicativas, existem algumas. Este projeto foi feito com base num projecto em livro, segui as medidas que la encontrei, o resto tive que inventar. Projeto Kart Cross - Português - Parte 2 de 5. Uploaded by Marcos Vieira. Kart cross. Copyright: © All Download as PDF or read online from Scribd. Flag for.
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On the basis of type of rotori Disc brakes ii Drum brakes 3. This acknowledgement will remain incomplete if I fail to express my deep sense of obligation to my parents and God for their constant blessings and encouragement. Summary of design of chassis Pros Cons Figure 3. I am also thankful to Mr. A go-kart, also written as go-cart often referred to as simply a kart , is a type of open-wheel car Go-karts come in all shapes and forms, from motorless models to high-powered racing machin Some, such as Superkarts, are able to beat racing cars or motorcycles on long circuits Go-carts are child transportation Finite element analysis.
While taking turns. Turning Radius calculation Formulae The requirement is that the inside wheel is made to turn through a greater angle than the outer wheel.
Correct Steering Figure 5. There is however a limit to the maximum steering angle. The larger the steering angle. To solve the above equation.
From the vehicle parameters. They are the In the above equation. This equation represents the basic condition for the steering mechanism to be perfect rolling of all wheels. Davis and Ackermann mechanism This geometry ensures that all the wheels roll freely without the slip angles as the wheels are steered to track a common turn center.
The simplest construction that generates Ackermann geometry is where the pit arm plate is located behind the swing axle and lines starting at the kingpin axis and extended through the outer tie rod ends when extended intersect the center of the rear axle. Another way to generate toe with steering is simply to make the steering arms different lengths. When the vehicle is in straight ahead position. Hence the method of extending the outer tie rod ends to intersect at the rear axle is most preferred.
The above explained Method is shown below with a Fig. The angularity of the steering knuckle will cause the inner wheel to steer more than the outer wheel and a good approximation of the perfect Ackermann is achieved. True Steering Ackermann Geometry a second way to design-in differences between inner and outer steer angles are by moving the pit arm forward or backward so that it is no longer on the line directly connecting the two outer tie rod ball joints.
A shorter steering arm. Oval tracks. But this effect is asymmetric and applies only to cars turning in one direction. Table 5. The dotted lines indicate the position of the mechanism when the vehicle is turning to the left.
Brakes are based on On the basis of power boosters i Power brakes Brake components: Heat is produced during the process in the form of kinetic energy. On the basis of mode of transmission of forcei Mechanical brakes ii Hydraulic brakes iii Electromagnetic brakes 2.
Caliper assembly is mounted on the disc. On the basis of type of rotori Disc brakes ii Drum brakes 3. It is usually made of cast iron or aluminum. It provides a path to the brake fluid and transmits the brake pressure to brake pads. And during braking. Brakes are classified into various categories: It is a round disc connected to the axle in our go kart. When the brake pedal is pressed. When disc stops rotating.
It has drilled holes in it to dissipate heat produced during braking. Brake fluid is contained in reservoir. We have used DOT 3 fluid in our go kart. It is assumed to be incompressible. There are two popular brakes.
In our go kart we have used the system of one master cylinder and one rotor. In our project we have used disc brakes due to following reasons: Brake fluid transmits the brake pedal force to the brake pads. Brake fluid is the working medium of hydraulic brakes. Brake Assembly 6. Simple design makes servicing and changing of Pad is easier. Lesser Anti-fade Characteristics. Friction occurs on the internal surfaces from which heat can be dissipated only after it has passed by conduction through the drum.
No loss in efficiency due to expansion. Design is little complex as Compared to disc brakes.
Friction pads are curved. Weighs less. Weighs more Figure 6. Better Anti-fade Characteristics. Disc Brakes Drum Brakes 1 Friction surfaces directly exposed to the cooling air 2 Friction pads are flat. Suspension Introduction The suspension is the link between the tires and the frame of a car.
If all roads were smooth. It is also to blame for most of the poor handling qualities you may be trying to get rid of. In addition to providing comfort. Specialized racing cars have been built without any suspension such as go-karts. The chassis supports the engine. It rests on springs which insulate the chassis from road irregularities. The weight of the chassis and all parts mounted on the chassis is considered to be spring weight.
Figure 7. Ball Joint 7. Springs of Shock absorber To reduce the camber change and the jacking effect of the swing axle. In modern times. In this design each axle pivots about a u-joint next to the chassis-mounted rear-end housing. The suspension also has a very large variation in load. Except for simplicity and reduced unsprung weight the swing axle has little to recommend it. Jounce and bounce were approximated 1 inch. Shockers of Bajaj Pulsar cc were used.
Suspension kinematics describe the movement caused in the wheels during vertical suspension travel and steering. It has several nasty characteristics including a tendency to lift the car when acted on by a cornering force. Shock Absorber 7.
This is the single-pivot swing axle design. Front Suspension System of Our Go-kart 7. Also along with suspension systems and other sub systems are installed on the chassis. The complete chassis is designed with the purpose to ease the installation of engine and any other relevant mechanism. However in our go kart design the chassis is built in an open ladder chassis style while maintaining the driver cockpit design.
The final chassis is result of the hard work carried by the designers of the project team. Nonetheless the ease of maintenance is another consideration for an open chassis. The formula 1 car body can be considered as a full covered body with an opening for the driver to enter into the driving cockpit. The table 6. The figure 6. Table 8. The report is a humble effort to clarify the methodology working out behind the selection of any kind of equipment or parameter that is going to be the part of the vehicle.
We made different chassis model in the quest to pull out the best out of our sheer imaginations. Summary of design of chassis Pros Cons The concept of having a cockpit is containing driver seat is implemented.
At the end of the project i. It must not be a matter of surprise if in the nearest future we will see Go-karting as the favorite motor sport of the young generation. Inter-college competitions make it more challenging event. Although the design of go kart chassis done in this project could not be considered completely perfect. Nevertheless from all the design and studies that have been done.
Chapter 9 Summary and Conclusion Basically. A go kart chassis is built by using AISI seamless tubing. Thus by continuingly carry out the testing and researching in the design of the go kart chassis ad over all go kart. Figures 7. However due to the timeframe provided.
The go kart chassis has been Simulated and Tested by solid works in terms of its bending deflection and torsional stiffness. Thus further study would be required in order to maximize the design performance and the application of some other chassis building material can also be looked for.
As for the design that has been prototyped in this project. It gives the students a chance to showcase their technical talents and critical thinking skills.
The craze for the Go-kart making competitions in India is growing every year in engineering colleges of India. Figure 9. Society Of Automotive Engineers Inc. Automobile Mechanics by N.
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