This bike has unusual pattern and drive: two steering wheels, instead of rotating the pedal — levers. The force on the chain is transmitted when a cyclist privste from the saddle. And of course, no accident that the author constructs A. Zavratnik from the city of Kirov believes that a bike of this scheme, in addition to their primary role, is especially good as a casual trainer, substitute physical exercises.Recommend to read
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A great many of the problems faces by the Modeler, decided to pursue aviation equipment driven by electric motors. One of the most important and the primary task — the selection...
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In water columns or country water supply systems where the water pressure is generally weak, long hold the bucket to the shed and wait until it is filled, very tiring. Made of metal...
