Velo Cité carbon composite with wheel motor.
Velo Cité is the name of a lightweight electric bicycle built of carbon fiber composite which lends drive technology from magnetsvävtåget Transrapid.
Thomas Leschik the company Carbo Fibre Tec in Friedrichshafen got the idea for the bike when he would construct a tachometer for bicycle wheels. Ten magnets glued on the carbon fiber rim to give readings when the wheel is spun.
He was struck by the idea to mount more magnets along the rim, and a coil in the frame under the saddle. This would cycle operated with a technique similar magnetsvävtåget Transrapid.
With a research grant from the German Ministry of Research at EUR 1.8 million has been so elcykeln Velo Cité emerged, a demonstrator with a power output of 500 W that comes up at 100 km / h. The weight is only 14 kg.
The batteries are built into the lower frame. The magnets have been integrated in the rear wheel rim, coil and control electronics sitting in the fork under the saddle. Thanks to the construction of carbon fiber composites become the bike very stable, important to get the exact distance between the magnets on the rim and the coil in the frame.
At braking recharges the battery.
With the metal components in the cycle technology would not be realized, according to Thomas Leschik.
Han are now partners with electronics knowledge to further develop the drive technology.
a finished product for the market, he expects to be finished and a couple of years.
Carbo Fibre Tec derived from the former aircraft manufacturer Dornier and produces lightweight components of carbon fiber materials.
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