Almost all automobiles (at least those whichcorrespond to design with rear wheel drive and front engineinstallation) have transmission shafts. The weight reduction ofthe drive shaft can have a certain role in the general weightreduction of the vehicle and is a highly desirable goal.Substituting composite structures for conventional metallicstructures has many advantages because of higher specificstiffness and strength of composite materials. The advancedcomposite materials such as graphite, carbon, Kevlar and Glasswith suitable resins are widely used because of their high specificstrength and high specific modulus. Advanced compositematerials seem ideally suited for long power driver shaftapplications. The automotive industry is exploiting compositematerial technology for structural components construction inorder to obtain the reduction of the weight without decrease invehicle quality and reliability. It is known that energyconservation is one of the most important objectives in vehicledesign and reduction of weight is one of the most effectivemeasures to obtain this result. Actually, there is almost a directproportionality between the weight of a vehicle and its fuelconsumption, particularly in city driving. The present workincludes, analysis done on drive shaft of Toyota quails withdifferent composite materials and concludes that the use ofcomposite materials for drive shaft would induce less amount ofstress which additionally reduces the weight of the vehicle. Inpresent work, analysis done on dive shaft with differentcomposite materials and concludes that the use of compositematerials for drive shaft would induce less amount of stresswhich additionally reduces the weight of the vehicle.
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