Olympic bike breakthrough

EN  |  UK & Ireland
Date posted:  1 Aug 2017
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Olympic bike breakthrough

On 3–8 July, Professor Stuart Burgess exhibited his Olympic bike work at the headquarters of the Royal Society in London near Buckingham Palace.

His team’s chain drive engineering was used on all the Team GB 2016 track bikes. Every part of the bike, which travels at up to 50 miles an hour, had to work as efficiently as possible. The best combination of chain and sprockets was required, but current test rigs using a turbo trainer were found not to be accurate enough. A pendulum system and a laser to measure its movement was devised to measure efficiency by monitoring how slowly the pendulum came to rest.

Turning existing design rules on their head, their research found that larger sprockets made for a more efficient chain drive. Two years were spent testing and designing, with great results. Between them, the Para and Olympic Team won 33 medals and set two world records.

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