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
INSTEAD OF OARS – A SAIL
The “Volna” inflatable boat, popular among water recreation enthusiasts, can be easily converted into a real sailing dinghy. The drawings of the universal sailing rig published in this...
“MAGIC” LANTERN
Good help the Modeler will have an overhead projector, which is easy to make yourself. It can be used to increase or decrease to the appropriate size drawings, projecting them on the...
