Factory-sponsored racing helps sell more cars, but it is also a vehicle for technology transfer. Obviously, demands on race cars and production cars are markedly different and their designs reflect that, though there are many similarities. In production cars, chassis stiffness es keyed to natural frequency because that is what the driver feels. For a race-car chassis, high static, torsional stiffness trumps driver comfort. The engine cradle is another key chassis component and one in which production cars are higher-tech than the race cars with their custom-built engine cradles from steel tubing. The use of high-lift, short-duration camshafts in the race engines gives high torque at low rpm. Production and race engines also share the same valve angle and valve count. Engine development is indicative of the production-racing program as a whole. Examples are the production Z06 and the C6-R Corvette.
Racing to tech transfer
Machine Design ; 77 , 18 ; 80-88
2005
5 Seiten, 5 Bilder
Aufsatz (Zeitschrift)
Englisch
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