It’s hard to say which is harder: to put on or take off hard a spring ring serving as a seal between the walls of piston and cylinder internal combustion engines, compressors, pumps, certain pumps. The more valuable a simple tool created by young innovators at the Pavlodar tractor plant. It makes it easier to perform both operations.TO REMOVE THE RING — WEAR RING
It’s hard to say which is harder: to put on or take off hard a spring ring serving as a seal between the walls of piston and cylinder internal combustion engines, compressors, pumps, certain pumps. The more valuable a simple tool created by young innovators at the Pavlodar tractor plant. It makes it easier to perform both operations.


It is generally accepted that a drill is the main tool DIY, hobbyists tinkering something with their hands for home, for family, as well as the main means of mechanization of labor-intensive processes in the creation of makeshift equipment. It is not surprising, because thanks to various auxiliary or additional devices drill can replace even some machinery. For example, a drilling machine, which can produce very simple equipment, published in the Hungarian magazine “Earmaster”.
Photoswitch is a widespread element in various automatic systems, protective devices, meters, etc. depending on the tasks the system is triggered by a photocell can be made instantly (for example, the turnstile in the subway), or via a predetermined gap (the Elevator doors). And in some cases rapid changes in illumination is necessary to analyze the situation and prevent deployment if it turns out to be false.
THE F-80 SHOOTING STAR. The story of the creation of the F-80 started in late spring of 1943 at Wright field, where the main designer firms Lockheed (Lockheed), Daniel Russ (Russ Daniel) met with representatives of the command of the U.S. air force. The meeting resulted in an official letter in which the firm was asked to develop a fighter jet under the English engine.1B “Goblin” company Havilland De (De Havilland.) These engines are planned to produce on the industrial base of the American company Allis Chalmers (Allis Chalmers). Last long time was trying to develop his engine, but 1943 she abandoned her fruitless attempts and have purchased a license for the construction of N. 1B.
Exhibitions amazingly beautiful decorative pieces of KAPA compete even with the amber jewelry—seafood and resinous prehistoric forests. Cap (in other words—influx) is a growth on the trunks of trees that represent an anomalous development of the wood. Once in the hands of a master, he is transformed into a work of art decorative art: original planters and flower vases, unusual dishes and bowls, pencil holders, ashtrays. All of these items look as if created by nature itself, and people only found these treasures in the woods, spying them in intricate swellings on the trunks (by the way, is detrimental to the tree).
The so-called unusual mechanism established at the Irkutsk industrial College for tightening heavily loaded threaded connections of large diameter. Anyone who has had to screw up the nut of the bolt, under the head of which is placed a rubber washer must necessarily have resorted to little tricks: when it’s getting on bad, just click on the head — it will dig into the rubber, the bolt will move forward and rotate the key will be much easier. Paradoxically, this principle was put to the Irkutsk innovators in the basis of the work of this mechanism. When tightened heavily loaded threaded connections of large diameter Jack allows you to stretch the bolt or stud within the elastic deformation that provides the subsequent free rotation of the nut.
A cargo aircraft C-27J “Spartan” set up jointly by the Italian company “Alenia Arepas” and the American “Lockheed”. Its predecessor—the Italian light military transport aircraft G. 222″, Alenia” made its first flight in 1973 and produced until 2000, Only built 124 machines of this type. Ten of them are operating in the USA under the designation C-27A.


The best Amateur-built glider, took part in the competition “Dombai tops” in 1978, was named “Sokol-2”. Its Creator — Leningrad master of sports V. D. Mikhailov, a renowned specialist in the design and making of yacht sails. So it is understandable his desire to use when constructing the glider, the latest achievements in the field of sailing. As a result, the quality of the dome “Sokol-2” had no equal among the devices flying over the Caucasian peaks.