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Racing car driveline design: carbon composite bonded half-;shaft

ABSTRACT

In this paper the feasibility of incorporating a carbon fibre composite half-;shaft into the final drive of an electric racing vehicle is studied. Carbon fibre composite tubing is bonded with aluminium inserts to achieve a low mass and high stiffness alternative to conventional half-;shaft design. The drive line system was validated using a number of techniques including; finite element analysis (FEA) and torsional tensile testing. Testing revealed that the carbon fibre composite and aluminium half-;shaft design presented in this study was 60% lighter and 2.5 times stiffer than conventional alloy steel half-;shaft designs.