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
TABLE UNIVERSAL
In one of the shows can viewers was submitted to design a universal machine, designed by the engraver of the suburban town of Troitsk Y. M. Orlov. Not only a discussion of a design...
SURFER WITHOUT THE EPOXY AND FOAM
Not to everyone's strengths and capabilities to manufacture selenoproteome, laminated fiberglass surfer. Beginner athlete we recommend you to make a windsurfer with a simple Board on the...
