ON THE ROAD BY ELLIPSES

ON THE ROAD BY ELLIPSESWhat happens if you cut a cylinder and two parallel planes at an angle to its axis and to replace the resulting “pancakes” wheels of a conventional car? It turns out that in the end we will get the vehicle of the increased passability. On normal roads this car moves exactly the same as a car with standard wheels, because at any point, the distance from the road to the axis remains constant, equal to the radius of the cylinder. Of course, with the difference that leaving a trail is not straight, but curved in the form of a sine wave.

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KNIFE ROLL

KNIFE ROLLThe coil is the most convenient form of packaging thin sheet materials and for the transportation and storage in warehouses. Foil, a synthetic film or paper in a tightly collapsed become a monolith, convenient in handling and are not particularly suffering from the hard grips of different mechanisms.

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IN KINDERGARTEN — ELECTRIC CAR

IN KINDERGARTEN — ELECTRIC CARThis little car (Fig. 1) I did back in 1972, and it is already my second son, Sasha. He was only three years, but he leads the electric car is almost like a real chauffeur. The car became a favorite toy of kids all around, and how else — steering, brakes, lighting, sound signal, turn on the rear — all on this car!

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DRILL-SHOTGUN

Once instructed the boys to handle on turning the glasses of the part having a stepped hole. The hole is cut, usually in two stages: first inserted into the rear Babin smaller drill bit — drilled the hole, then a tool with a wedge knocked out of the cone and there you insert a different Read more…