Experimental race motorcycle uses igus plastic bearings
Resource from: igus Likes:257
Mar 03,2017
Introduced in 1999, the Yamaha YZF-R6 was the world’s first 600cc production four-stroke motorcycle producing over 100 horsepower in stock form. Since then, Yamaha has incorporated a number of upgrades to improve speed and engine performance. The R6 engine has also been used in the nationwide Formula Student race series, where university students design and build single seat racing cars that are then raced at the iconic Silverstone circuit.
Aymen Alshawi is a 22-year old with a masters in mechanical engineering, now working as an inspection engineer for ExxonMobil. He previously participated in Formula Student, and wrote his degree dissertation on suspension systems for racing cars. From that, he designed a version of a virtual differential based on the slip angles of tyres. Aymen became interested in motorcycle racing and researched how others had developed significant modifications for their motorcycles, including British inventor Norman Hossack, whose “funny front-end” design was a significant deviation of the traditional front fork and suspension system.
In May 2015, Aymen purchased a 12-year old Yamaha R6 track-bike and embarked on an ambitious project to design and build a new front-end for it. His plan was to use a double wishbone that would move in a vertical plane, allowing the wheelbase and geometry to remain constant for better feedback and grip. Aymen did not let the fact that he only had a licence for 125cc bikes deter him!
Aided by the university’s computer and engineering programs including CAD, Finite Element Analysis (FEA) and front end design software, Aymen worked evenings designing and performing test simulations. Parts were then created in thermoplastic to ensure they fitted together, before milling took place. A number of bearings were needed for both the fork wishbones and the bell crank pivots, but the traditional metal bearings in the rod end introduced unwanted axial play. He contacted igus and purchased plastic plain bearings from the iglidur series, as they are more resistant to edge type loads and axial play.
In all, three iglidur J type flange bearings were used. “In addition to lowering axial play, the other reasons I chose these bearings were for their light weight, being simpler to use and they came at a lower cost than the metal bearings used in the previous version,” said Aymen Alshawi.
The igus iglidur J plastic bearings combine high wear resistance and excellent coefficients of friction. They boast extreme dimensional stability, even in moisture-exposed applications. In addition, they are 100% self-lubricating, maintenance-free, corrosion-free and wear-resistant in dusty and dirty environments.
Aymen has ridden the motorcycle at speeds of 140mph on a test track, but the project is still in progress. The suspension system was mostly finished in December 2016, and he has an estimated date for final completion by the summer of 2017.
(igus)
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1.The news above mentioned with detailed source are from internet.We are trying our best to assure they are accurate ,timely and safe so as to let bearing users and sellers read more related info.However, it doesn't mean we agree with any point of view referred in above contents and we are not responsible for the authenticity. If you want to publish the news,please note the source and you will be legally responsible for the news published.
2.All news edited and translated by us are specially noted the source"CBCC".
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