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Compound Chain Bicycle
Abstract
This study mainly focuses on the concept of compound chain bicycle (CCB) and the modifications to be done for making it suitable for a common man to use. Generally, such bicycles are very few in number and are used for racing to create world records of about 200 kmph till date and few of them for exercise.
This study shows the arrangement of chain drive in compound form, speed calculations and the bicycle frame design. Speed is the important difference between the conventional bicycle and CCB. The former one, under a normal adult effort, goes around 15 kmph, but CCB under slightly greater effort goes around 45 kmph, even 55 kmph if higher toothed sprockets are employed.
This study shows the arrangement of chain drive in compound form, speed calculations and the bicycle frame design. Speed is the important difference between the conventional bicycle and CCB. The former one, under a normal adult effort, goes around 15 kmph, but CCB under slightly greater effort goes around 45 kmph, even 55 kmph if higher toothed sprockets are employed.
References
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Concept bikes’ designs—Colnago, KHS, Rourke Hopo, John Howard’s bike.
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