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+ - Why bicycles are so stable? 1

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Roland Piquepaille
Roland Piquepaille writes "For almost 150 years now, mathematicians have tried to understand why a bicycle could be so stable. Now, researchers of the Delft University of Technology (TU Delft), working with colleagues from Cornell University and the University of Nottingham, UK, say they've build a model which unravels how a bicycle works. As said a bicycle maker, when designing a bike, only three parameters are used: the general geometry, the distance between the axles, and the angle at which the fork points downwards. The new mathematical model includes 25 parameters and will permit to build bicycles aimed directly at special target groups. Already, a Dutch bicycle manufacturing company is hoping to design better bikes using this model. But read more for additional details and a picture of the bicycle used to calibrate the model."
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Why bicycles are so stable?

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"Regardless of the legal speed limit, your Buick must be operated at speeds faster than 85 MPH (140kph)." -- 1987 Buick Grand National owners manual.

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