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On land, the speed record registered by a rider on a 200-meter flying start speed trial was 133.28 km/h (82.82 mph) by the Canadian Sam Whittingham riding the Varna Tempest, a streamliner recumbent bicycle in 2009, [19] at Battle Mountain, Nevada. His record has been surpassed by 0.5 km/h by Sebastiaan Bowier of the Netherlands in 2013 setting ...
From a mechanical viewpoint, up to 99% of the mechanical energy delivered by the rider into the pedals is transmitted to the wheels (clean, lubricated new chain at 400 W), although the use of gearing mechanisms reduces this by 1–7% (clean, well-lubricated derailleurs and a straight chainline), 4–12% (chain with 3-speed hubs), or 10–20% (shaft drive with 3-speed hubs).
Denise Mueller-Korenek (born c. 1973) is an American cyclist.As of September 2018, she holds the world record for paced bicycle land speed [1] [2] and is considered "the fastest cyclist on earth".
Bikes, as complex mechanisms, have a variety of modes: fundamental ways that they can move. These modes can be stable or unstable, depending on the bike parameters and its forward speed. In this context, "stable" means that an uncontrolled bike will continue rolling forward without falling over as long as forward speed is maintained.
The Lotus 108 bicycle, a forerunner to the Lotus 110 Chris Boardman used to set a new hour record of 56.375 km (35.030 mi) in 1996. Chris Boardman took up the challenge using a modified version of the Lotus 110 bicycle, a successor to the earlier Lotus 108 bicycle he'd ridden to victory at the 1992 Olympic Games. South African company Aerodyne ...
The record hour average speeds for these machines – 90 km/h (56 mph) for men and 84 km/h (52 mph) for women – are faster than a UCI rider could perform even in a short 200-meter sprint for 10 seconds, 72 km/h (45 mph), demonstrating their higher level of efficiency and speed.
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