In the manufacture of models or devices containing frequently unscrews detail, there is often a need to do the knurling (knurled) outer surfaces of the nuts or screw heads. With this purpose usually use a special device consisting of one or two fine teeth hardened rollers in the mandrel. During rotation of the part fixed in the Chuck of the lathe, the teeth of the rollers are pressed into the surface and form therein a corrugation. With the appropriate equipment the operation is not complicated. However, if you want to make knurled at home?
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In the first decade of the nineteenth century, the airplane had only just learned to fly. And the brave pilots of those years sought to master it so that you can explore the air travel. Among the many different aircraft types stood out one that is the best flying and best of all was controlled in flight. It was a plane-monoplane “blériot XI”. Few people know that the birth of this remarkable aviation history, the aircraft shall flying models.
The Polish automotive industry there is quite a few years. Serial production of cars started in our country two decades ago. Now we have produced machines of various types, designed for use in various sectors of the economy. Many cars of the Polish people’s Republic, for example, “Warsaw”, “beetle”, “Fiat 125-P”, won wide recognition in many countries.
Slightly more than half a century ago, at the dawn of Soviet power, Lenin dreamed of the time when we can give agriculture 100 thousand tractors. The Soviet people under the leadership of the Communist party brought to life the dream of the great leader, fulfilled his Covenant. Today 100 thousand — millions of a powerful modern tractors working in the vast expanses of the country. Every year, collective and state farms received a new and more productive machines.
TWO OPTIONS OF HEATERS FOR AQUARIUMS OFFER OUR READERS. Uniform temperature in the aquarium keeps the water-filled Cycling or any other appropriate size camera. It is placed as shown in the figure.
All-terrain vehicle manufactured in July 2013 and all this time worked without a break. Engine turbo diesel Kubota V1505-T power 44 HP (with restrictor) and a torque of 118 Nm. The engine weighs about 120 kg. Fuel tank capacity of 70 liters, the average fuel consumption 2 litres per hour. Transmission of the VAZ-2110, main gear from a GAZ-66.
“It is clear that… high-quality products can be released only in companies with a high level of technical equipment. It is also clear that to create such machines, apparatus and devices can only be highly skilled working class, has a great knowledge and a broad Outlook”.
“I looked at the ship, which was in a few minutes to go in the unprecedented flight. He was handsome… I Thought that this beauty is eternal and will remain for the people of all countries for all times to come. In front of me was not only a wonderful creation of technology, but also an impressive work of art”, — wrote the first cosmonaut jury Alekseevich Gagarin on the spacecraft, on which the 12 April 1961, he paved the way to space.
Our magazine wrote many times about the reader’s development of engines for different homemade cars, planes, cars, hovercraft, and even for aircraft operated with the process of technical creativity. These enthusiasts pursue basically the same goal — the creation of relatively light weight of the engines, which power would fill a gap in the row engines of industrial production and would achieve the diys satisfactory performance.
Zaporizhia automobile factory was established on the basis of the combine plant “Kommunar” and, apparently, his “rural” origins influenced the design of almost all its cars.